Question about 1999 Volvo S80

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Due to my own extreme incompetance I find myself in a position of having removed the pulleys on this engine and am trying to reinstall the timing belt. How do I assure the valves are in the proper position with the crankshaft?

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03 Suzuki aerio need a step by step how to: replace the timing chain! Please help

WOW you work on engines not knowing what is there?
the engines are: 7 engines.!!!
1.3 L I4; 1.5 L I4; 1.6 L I4; 1.8 L I4; 2.0 L I4; 2.3 L I4; 1.4 L Diesel I4 ill guess, ( (die roll)
2.3 L below.

all answers, USA cars, this a USA forum. so.....
ever heard of the FSM the oem factory service manual?

is the chain making noises? if yes, the guide is bad, most chains fail due to that (as a true cause)
the FSM is here , just $4 to look , so ????

the clone is DIY, log in and read like we do.
google , bingo....

now the 2.3L (just the first half, ill let you pay $4 like we do)
  1. Before servicing the vehicle, refer to the Precautions Section.
  2. Remove engine assembly from vehicle.
  3. Remove oil pan.
  4. Remove cylinder head cover.
  5. Remove timing chain cover as follows:
    • Remove crankshaft pulley bolt. To lock crankshaft pulley, use special tool 09917-68221 (camshaft pulley holder).
    • Remove crankshaft pulley. To remove crankshaft pulley, use special tools 09944-36011 and 09926-58010 (steering wheel remover and bearing puller attachment).
    • Remove A/C compressor bracket.
    • Remove alternator belt idler pulley, water pump pulley and alternator belt tensioner.
    • Remove timing chain cover bolts and nut.
    • For reinstallation of timing chain, turn crankshaft so that timing marks on cylinder head and lower crankcase match with those on sprockets as shown in figure.
    • Remove second timing chain as follows:
      • Turn crankshaft to meet following conditions.
        • Key (I) on crankshaft is positioned as shown.
        • Arrow mark on idler sprocket (II) points upward.
        • Marks on sprockets (III) match with marks on cylinder head. Note that this step must be followed for reinstallation of timing chain.
      • Remove timing chain tensioner adjuster No.2 and gasket. To remove them, slacken second timing chain by turning intake camshaft counterclockwise a little while pushing back pad.
      • Remove intake and exhaust camshaft timing sprocket bolts. To remove them, fit a spanner to hexagonal part at the center of camshaft to hold it stationary.
      • Remove camshaft timing sprockets and second timing chain.
      • warning
      • After second timing chain is removed, never turn intake camshaft, exhaust camshaft and crankshaft independently more than such an extent as shown. If turned, interference may occur between piston and valves and valves themselves, and parts related to piston and valves may be damaged.
      • Remove timing chain guide No.1.
      • Remove timing chain tensioner adjuster No.1.
      • Remove timing chain tensioner.
      • Remove idler sprocket and first timing chain.
      • Remove crankshaft timing sprocket.
      • end.
    im not doing INSTALL, sorry.

25540491-yqaloxbadhjyikzm2dpnlv4n-2-0.jpg got that? also there are a hole section on details of gasket seals and such, nothing trivial that.

Mar 09, 2015 | 2003 Suzuki Aerio

5 Answers


Check the compression. This problem often happens when the head gasket is gone and there is not enough compression.

If the engine is consuming water, then it is definitively the head gasket.

Let me know if this is the problem.

Sep 19, 2008 | 1997 Toyota Tacoma

1 Answer

Belt replacement mazda3 2006

i do hope this helps its for the serpentine belt
First, jack up the caricon1.png, use jack stands, yadda yadda etc.

Remove the lower splash shield.

Youll see a skid plate looking thing on the ac compressor, remove that with a 12mm socket.

Now you have to remove the AC compressor. There are four stud/bolt things holding it on. Also 12mm.

Once the bolts are out the AC compressor is basically held up by the belt and the AC lines. Work the AC belt off of the pulley and then secure the ACcompressor out of the way. Dont let it hang by the AC lines.

Go back up to the top of the engine and remove the engine cover, it just pulls right off.

Youll see the serpentine belt and the tensioner pulley (basically the pulley at the front of the motor and right on top).

Note the routing of the belt for reinstallation.

Put a socket on the tensioner pulley (either 12 or 14mm) and push towards the firewall.

Youll see the belt loosen.

Now slip the belt off of the tensioner pulley.

You can release the tension on the pulley slowly now.

Work the serp belt off of the rest of the pullies.

Installation is basically the reverse of removal, but it can be tricky to route the belt on since its new and rigid. It helps to have a friend push on the tensioner while you route the belt. I managed to do it by myself, but I have long arms. It also took me several tries and much swearing!

Now putting the AC belt back on can be tricky due to the fact that it is a stretch belt, and will be very tight.

I slipped the belt on the crank pulley and then pulled the AC compressor up as high as I could. Then I could slip the belt on. Little note here, because the belt was so tight the compressor wouldnt slip back into position. I used my floor jack on the bottom of the compressor and very slowly pushed on it with the jack.

Then line up the AC compressor, resecure the bolts/nuts etc.

Reinstall splash shield.


Apr 03, 2013 | 2006 Mazda 3

1 Answer

If the water pump is installed will the timing have to be reset

Removal & Installation

2.5L (VIN H) Engine

  1. Disconnect the negative battery cable from the left strut tower. The ground cable is equipped with a insulator grommet which should be placed on the stud to prevent the negative battery cable from accidentally grounding.
  2. Remove the right inner splash-shield.
  3. Remove the accessory drive belts.
  4. Remove the crankshaft damper.
  5. Remove the right engine mount.
  6. Place a suitable floor jack under the vehicle to support the engine.
  7. Remove the right engine mount bracket.
  8. Remove the timing belt upper left cover, upper right cover and lower cover.
  9. Loosen the timing belt tensioner bolts.
    NOTE Before removing timing belt, be sure to align the sprocket timing marks to the timing marks on the rear timing belt cover.
  10. If the present timing belt is going to be reused, mark the running direction of the timing belt for installation. Remove the timing belt and the tensioner.
  11. Remove the camshaft timing belt sprockets from the camshaft, if necessary.
  12. Remove the crankshaft timing belt sprocket and key.
  13. Place the tensioner into a soft-jawed vise to compress the tensioner.
  14. After compressing the tensioner place a pin into the plunger side hole to retain the plunger until installation.

    0996b43f80208cc8.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Timing belt engine sprocket timing-2.5L (VIN H) Engine

To install:
  1. If removed, reinstall the camshaft sprockets onto the camshaft. Install the camshaft sprocket bolt and tighten to 65 ft. lbs. (88 Nm).
  2. If removed, reinstall the crankshaft timing belt sprocket and key onto the crankshaft.
  3. Set the crankshaft sprocket to Top Dead Center (TDC) by aligning the notch on the sprocket with the arrow on the oil pump housing, then back off the sprocket three notches before TDC.
  4. Set the camshafts to align the timing marks on the sprockets with the marks on the rear timing belt cover.
  5. Install the belt on the rear camshaft sprocket first.
  6. Install a binder clip on the belt to the sprocket so it won't slip out of position.
  7. Keeping the belt taut, install it under the water pump pulley and around the front camshaft sprocket.
  8. Install a binder on the front sprocket and belt.
  9. Rotate the crankshaft to TDC.
  10. Continue routing the belt by the idler pulley and around the crankshaft sprocket to the tensioner pulley.
  11. Move the crankshaft sprocket clockwise to TDC to take up the belt slack. Check that all timing marks are in alignment.
  12. Reinstall the tensioner to the block but do not tighten it at this time.
  13. Using special tool No. MD998767 and a torque wrench on the tensioner pulley, apply 39 inch lbs. (4.4 Nm) of torque to the tensioner. Tighten the tensioner pulley bolt to 35 ft. lbs. (48 Nm).
  14. With torque being applied to the tensioner pulley, move the tensioner up against the tensioner bracket and tighten the fasteners to 17 ft. lbs. (23 Nm).
  15. Remove the tensioner plunger pin, the tension is correct when the plunger pin can be removed and replaced easily.
  16. Rotate the crankshaft two revolutions clockwise and recheck the timing marks. Check to be sure the tensioner plunger pin can be easily installed and removed. If the pin does not remove and install easily, perform the procedure again.
  17. Reinstall the timing belt cover.
  18. Reinstall the engine mount bracket.
  19. Reinstall the right engine mount.
  20. Remove the engine support.
  21. Install the crankshaft damper and tighten to 134 ft. lbs. (182 Nm).
  22. Reinstall the accessory drive belts and adjust them.
  23. Reinstall the right inner splash-shield.
  24. Perform the crankshaft and camshaft relearn alignment procedure using the DRB scan tool or equivalent.

2.5L (VIN N) Engine
  1. Disconnect the negative battery cable.
  2. Remove the accessory drive belts.
  3. Using Crankshaft Holding Tools MB990767 and MB998754, remove the crankshaft bolt and remove the pulley.
  4. Remove the heated oxygen sensor connection.
  5. Remove the power steering pump with the hose attached and position it aside.
  6. Remove the power steering pump bracket.
  7. Place a floor jack under the engine oil pan, with a block of wood in between, and raise the engine so that the weight of the engine is no longer being applied to the engine support bracket.
  8. Remove the upper engine mount. Spraying lubricant, slowly remove the reamer (alignment) bolt and remaining bolts and remove the engine support bracket.
    NOTE The reamer bolt is sometimes heat-seized on the engine support bracket.
  9. Remove the front timing belt covers.
  10. If the timing belt is to be reused, draw an arrow indicating the direction of rotation on the back of the belt for reinstallation.
  11. Align the timing marks by turning the crankshaft with MD998769 Crankshaft Turning tool. Loosen the center bolt on the timing belt tensioner pulley and remove the belt.
    WARNING Do not rotate the crankshaft or camshaft after removing the timing belt or valvetrain components may be damaged. Always align the timing marks before removing the timing belt.
  12. Check the belt tensioner for leaks and check the pushrod for cracks.
  13. If the timing belt tensioner is to be replaced, remove the retaining bolts and remove the timing belt tensioner. When the timing belt tensioner is removed from the engine, it is necessary to compress the plunger into the tensioner body.
  14. Place the tensioner in a vise and slowly compress the plunger. Take care not to damage the pushrod.
    NOTE Position the tensioner in the vise the same way it will be installed on the engine. This is to ensure proper pin orientation for when the tensioner is installed on the engine.
  15. When the plunger is compressed into the tensioner body, install a pin through the body and plunger to hold the plunger in place until the tensioner is installed.

    0996b43f80208cbb.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Camshaft and crankshaft alignment marks-Chrysler 2.5L (VIN N) engines

To install:
  1. Install the timing belt tensioner and tighten the retaining bolts to 17 ft. lbs. (24 Nm), but do not remove the pin at this time.
  2. Check that all timing marks are still aligned.
  3. Use bulldog clips (large paper binder clips) or other suitable tool to secure the timing belt and to prevent it from slacking. Install the timing belt. Starting at the crankshaft, go around the idler pulley, then the front camshaft sprocket, the water pump pulley, the rear camshaft sprocket and the tensioner pulley.
  4. Be sure the belt is tight between the crankshaft and front camshaft sprocket, between the camshaft sprockets and the water pump. Gently raise the tensioner pulley, so that the belt does not sag, and temporarily tighten the center bolt.
  5. Move the crankshaft 1 / 4 turn counterclockwise, then turn it clockwise to the position where the timing marks are aligned.
  6. Loosen the center bolt of the tensioner pulley. Using MD998767 tensioner tool, and a torque wrench apply 3.3 ft. lbs. (4.4 Nm) tensional torque to the timing belt and tighten the center bolt to 35 ft. lbs. (48 Nm). When tightening the bolt, be sure that the tensioner pulley shaft does not rotate with the bolt.
  7. Remove the tensioner plunger pin. Pretension is correct when the pin can be removed and installed easily. If the pin cannot be easily removed and installed it is still satisfactory as long as it is within its standard value.
  8. Check that the tensioner pushrod is within the standard value. When the tensioner is engaged the pushrod should measure 0.149-0.177 in. (3.8-4.5mm).
  9. Rotate the crankshaft two revolutions and check the timing marks. If the timing marks are not properly aligned remove the belt and repeat Steps 17 through 23.
  10. Install the timing belt covers.
  11. Install the engine mounting bracket.
  12. Lower the engine enough to install the engine mount onto bracket and remove the floor jack.
  13. Install the power steering pump bracket and pump.
  14. Install the crankshaft pulley and tighten the retaining bolt to 13 ft. lbs. (18 Nm).
  15. Install the accessory drive belts.
  16. Properly fill the cooling system.
  17. Connect the negative battery cable.
  18. Check for leaks and proper engine and cooling system operation.

May 22, 2012 | 1999 Chrysler 300M

2 Answers

I need 2004 Hyundai XG350L Service/repair Manual

3.5L Engine

Remove or disconnect the following:
  1. Negative battery cable
  • Engine coolant
  • Water pump pulley bolts
  • Alternator bolt, loosen only
  • Water pump pulley and drive belts
  • Crankshaft pulley
  • Timing belt cover(s)
  1. Turn the crankshaft until the timing marks on the camshaft sprocket and cylinder head are aligned.
  2. Loosen the timing belt tensioner bolt and turn the tensioner counterclockwise as far as it will go. Tighten the adjusting bolt.
  3. Mark the timing belt with an arrow showing direction of rotation.
  4. Remove the timing belt.
  5. If defective, remove the timing belt tensioner.

Timing belt sprocket alignment mark positioning for belt removal and installation—3.5L engine

To install:
  1. If necessary, install the timing belt tensioner.
  2. Attach the top of the tensioner spring on the engine coolant pump pin. Ensure the hook on the pin is facing down and the hook on the tensioner is facing away from the engine
  3. Rotate the timing belt tensioner to the extreme counterclockwise position. Temporarily lock the tensioner in place.
  4. Align the timing marks of the camshaft and crankshaft sprockets.
  5. Install the timing belt on the crankshaft sprocket, then onto the rear camshaft sprocket.
  6. Route the belt to the coolant pump pulley, the front camshaft sprocket and the timing belt tensioner.
  7. Apply force counterclockwise to the rear camshaft sprocket with tension on the tight side of the belt and check that timing marks are aligned.
  8. Loosen the tensioner bolt 1–2 turns and tighten the timing belt to a tension of 57–84 lbs. (260–380 N).
  9. Turn the crankshaft two turns clockwise.
  10. Readjust the sprocket timing marks and tighten the tensioner bolts.
  11. Install the timing belt covers.
  12. Install the crankshaft pulley and tighten to 108–116 ft. lbs. (150–160 Nm).
  13. Install or connect the following:
    • Timing belt cover(s)
    • Crankshaft pulley
    • A/C compressor belt
    • Water pump pulley
    • V belt
    • Negative battery cable
    • Engine with coolant

Feb 10, 2010 | 2004 Hyundai XG350

1 Answer

How to replace water pump

1. Drain coolant from engine.
2. Remove water pump drain plug. It is located on the front of the block just above the A/C compressor and about 2 o'clock of the crankshaft pulley.
3. Place a floor jack under engine (be sure to use a piece of wood in between jack and oil pan). Remove the right side engine mounting, mounting bracket and nuts.
4. Remove the drive belts and idler pulley bracket.
5. Remove the two black covers on the front of the engine. The one towards the radiator will have the water pump behind it and the one towards the thermo barrier will have the timing chain tenioner behind it.
6. Push in the tensioner sleeve, apply a stopper pin so it does not return ( a paper clip will work ).
7. Remove the tensioner (2 - 10mm bolts )
8. Remove the 3 water pump bolts.
9. Turn the crankshaft pulley approximately 20 degrees backwards to put slack in the chain to give clearance for the water pump.
10. Install the two M8 bolts into the threaded holes in the water pump (the upper hole and the lower hole)
11. Tighten the M8 bolts by turning half turn alternately until the water pump becomes loose. Lift up water pump and remove it. Make sure you move the timing chain away from the pump to remove it. Do not worry about engine timing. It will not effect it at all. The water pump is not part of timing the engine, nor will the chain losse contact with the crankshaft gear.
12. Make sure to use two new "O" rings on the water pump.
13. Install water pump and tighten bolts (63.4 - 85.1 inch pounds)
14. Return the crankshaft pulley to its original position by turning it 20 degrees forward.
15. Install timing chain tensioner, then remove the stopper pin ( paper clip)
16. Place sealer on the black covers and reinstall.
17. Reinstall engine mounting.
18. Reinstall drive belts.
19. Fill with new coolant.
20. Start engine and check for leaks. (Engine will be noise at first until the tensioner fills with engine oil. This is normal.)

Dec 10, 2009 | 1996 Nissan Maxima

1 Answer

I need to replace the idler pulley/tensioner and the belt

When this idler wears out it makes a growling noise that changes with engine RPM. A Bad Idler Pulley May Wobble & Wear Out Your Serpentine Belt Prematurely. Get Rid Of That Horrible Noise & Change.

Remove the serpentine belt by using a breakover bar, ratcher or serpentine belt removal tool with the correct size socket for the pulley mounting bolt. Rotate tensioner arm to release tension. Remove the bel. Using the proper size socket, remove the tensiones mounting bolt and remove tensioner.

Before installing the new tensioner, make sure the mounting surface for the tensiones is clean and free rust or other obstructions. Find the locator pin hole and rotate the replacement tensiones until the locator pin and the hole line uo. Insert the pin into the hole. Reinstall the mounting bilt and torque down to tight fit.

Rotate the tensioner arm to install the serpentine belt. Make sure the belt is correctly fitted to all pulley in the drive system. Start the engine to check for any problems. Extreme care should be taken when reinstalling the serpentine belt because some of the pulleys are located in remote positions ans it is very hard to see that belt is seated properly in all of the grooves. If the belt isn't seated properly, the belt can "ride out" of the grooves and the belt can be damaged.

Also must review the ZJ Repair Manual Secc-7-Cooling-System for graphics references.

Hope helped with this. Remember rated this help. Good luck.

Nov 26, 2009 | 1996 Jeep Grand Cherokee

1 Answer

Timing Belt Manual

WARNING Timing belt maintenance is extremely important! The A4 and Passat model utilize an interference-type, non-free-wheeling engine. If the timing belt breaks, the valves in the cylinder head may strike the pistons, causing potentially serious (also time-consuming and expensive) engine damage. The recommended replacement interval for the timing belt is at least every 6 years or 60,000-90,000 miles (96,000-144,000 km), depending on vehicle usage and engine type.
NOTE If removed and reinstalled, the timing belt must be installed in the same rotational direction as removed.

VW Passat & Audi A4 1990-2000 Repair Guide

WARNING Do NOT turn the engine or camshaft with the timing belt removed. The pistons will contact the valves and cause internal engine damage.

2.0L (9A, ABA) Engines
  1. Disconnect the negative battery cable and remove the accessory drive belts, crankshaft pulley and the timing belt cover(s).
  2. Temporarily reinstall the crankshaft pulley bolt and turn the crankshaft to TDC of No. 1 piston. The mark on the camshaft sprocket should be aligned with the mark on the inner timing belt cover or the edge of the cylinder head.
  3. With the distributor cap removed, the rotor should be pointing toward the No. 1 mark on the rim of the distributor housing. On 8 valve engines, the notch on the crankshaft pulley should align with the dot on the intermediate shaft sprocket.
  4. Loosen the locknut on the tensioner pulley and turn the tensioner counterclockwise to relieve the tension on the timing belt.
  5. Slide the timing belt from the sprockets

Fig. Adjusting the belt tension on a 2.0L 8 valve


Fig. Remove the timing belt cover


Fig. Align the timing marks


Fig. Locate the tensioner


Fig. Loosen the tensioner bolt


Fig. Mark the belts direction of rotation

To install:
  1. Check the alignment of the timing marks. On 16-valve engines, the mark on the tooth should align with the mark on the rear belt cover.
  2. Install the new timing belt and tension the belt so it can be twisted 90° at the middle of it's longest section, between the camshaft and intermediate sprockets.
  3. Recheck the alignment of the timing marks and, if correct, turn the engine 2 full revolutions to return to TDC of No. 1 piston. Recheck belt tension and timing marks. Readjust as required. Torque the tensioner nut to 33 ft. lbs. (45 Nm).
  4. Install the belt cover and accessory drive belts.
  5. If the belt is too tight, there will be a growling noise that rises and falls with engine speed.


Sep 14, 2009 | 1995 Volkswagen Passat

2 Answers

1989 Isuzu pickup how to align timing marks on cam and crank?

The Isuzu is a strange animal-when you do the timing belt you set it with #1 TDC "BUT" the distributor is timed with TDC #4 I found this the hard way and finally had to buy a cd with the procedures on it. Send me an e-mail address and I will forward the associated pictures &
info to you.
Jim Young

NOTE: Some procedures may differ slightly due to engine
1) Remove all necessary air ducts. Position No. 4 piston at
TDC of compression stroke. Align timing marks. See Fig. 2. Remove fan
and fan shroud. Remove belts. If necessary, remove radiator and
2) Prevent engine from rotating and remove crankshaft timing
pulley retaining bolt. Remove upper and lower timing belt covers.
Remove spring from tension pulley. Loosen adjusting bolt and move
pulley toward water pump. Remove timing belt.
CAUTION: Ensure pistons are at TDC when rotating camshaft or damage
may result.
1) Handle timing belt carefully. Avoid twisting or kinking
belt. Do not allow belt to become contaminated by water, oil, dirt or
other contaminates. Inspect belt for cracks or damage. If necessary,
2) Measure tension pulley spring length and force. Spring
length should not exceed 2.76" (70.2 mm) and spring force should not
be less than 197-347 lbs. (27-48 kg).
3) Replace tension pulley spring if not within specification.
1) Pull tensioner fully toward water pump side and
temporarily tighten retaining bolt. Ensure No. 4 cylinder is at TDC on
compression stroke by rotating crankshaft until keyway aligns with
mark on front crankshaft seal housing (12 o’clock). Rotate camshaft
until timing mark on cam gear (arrow) aligns with mark on upper
camshaft cover (notch). See Fig. 2.
NOTE: When timing marks are aligned as stated above, No. 4 piston
is at TDC on compression stroke.
2) Position timing belt over crankshaft sprocket, oil pump
sprocket, camshaft sprocket and tensioner in that order. Ensure belt
is positioned in sequence given and without slack between sprockets.
Loosen tension sprocket adjusting bolt allowing spring tension to
tighten belt. Tighten adjusting bolt temporarily.
3) Temporarily install crankshaft pulley bolt and rotate
crankshaft 2 complete revolutions in opposite direction of engine
rotation, until marks on crankshaft and front oil seal retainer are
aligned again. See Fig. 2. Loosen tensioner lock bolt, allowing
tesioner spring to fully adjust tension. Tighten tensioner lock bolt.
4) Install timing belt covers. To complete installation,
reverse removal procedures. Tighten all bolts to specification. See
TORQUE SPECIFICATIONS table at end of this article.
Fig. 2: 2.3L & 2.6L Timing Alignment Marks
Courtesy of Isuzu Motor Co.

Jun 05, 2009 | 1989 Isuzu Pickup 2WD

2 Answers

Timing belt alignment

A factory service manual would help, but I'm assuming that if you had one, you probably wouldn't be on this site.

To set the timing, you need to first perform the obvious: remove the accessory drive belts, cam pulley covers, and engine fan and hub. Next you'll need to rotate the engine by hand until the timing marks on the camshaft sprockets and crankshaft are aligned with their corresponding stationary marks. The 0 degree mark on the lower timing belt cover is the timing mark for the crankshaft pulley. There is a mark (small, vertical formed indentation) for the left camshaft pulley on the backing plate behind the pulley near the 1 o` clock position. The same mark exists for the right camshaft pulley only it is on the backing plate near the 8 o`clock position (making it difficult to see). With the crankshaft placed at the zero mark, you can observed where the timing discrepancy exists.

(TIP: Once the right camshaft timing is properly lined up, etch an additional mark on the pulley's face and the backing plate at the 12 o`clock position. This will make it easier to align the pulley for furture adjustments and repairs)

To set the timing correctly, move the crankshaft pulley to 12 deg. BTDC. Being careful to not disturb the position of the crankshaft once it has been moved to that position, remove the crankshaft pulley, lower timing belt cover, timing belt tensioner, and timing belt. Compress the timing belt tensioner and if the original ring pin isn't available to retain the tensioner a small allen wrench can be used to achieve the same results. Line up both camshaft marks and reinstall the timing belt and timing belt tensioner (do not remove the timing belt tensioner tool used to maintain the tensioner piston in a compressed position). When installing the timing belt, be sure to allow the least amount of slack to exisit between the left camshaft pulley and the crankshaft sprocket, but without moving the pulleys.

Next, remove the timing belt tensioner piston retention tool and mount the lower timing belt cover and crankshaft pulley (without fully installing them). Rotate the crankshaft pulley to the 0 deg. mark. If done correctly, moving the crankshaft pulley from 12 deg. BTDC to 0 deg. will remove all remaining slack from the timing belt assembly and the camshaft pulleys and crankshaft pulleys will be lined up with their corresponding marks. Once proper timing has been achieved, install all removed parts.

(Another TIP: I hope it's not necessary, but in case it is, I'll remind you that proper torque of all bolts are necessary as this is an all aluminum engine. Stripping out bolts holes due to over-tightening bolts occurs very easily and become very annoying to deal with [e.g. alternator belts not being able to be tightened completely and constantly squealing every few days, etc.])

Apr 26, 2009 | 1997 Isuzu Rodeo

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