Question about 1990 Nissan Maxima

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Timimg for a 1990 nissan maxima

Do i use the marks on the timing belt to align both camshafts and crank shaft for a 1990 nissan maxima do i line the marks on the belt up with the marks on the crank shaft and cam shafts

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If your belt came with marks, then they should match the marks that are on the sprockets and block, if not, you must have the cam marks align with those on the engine. If you're in doubt about the exact spot, lay a tooth pick across the sprockets so that you can check alignment to the block.

Posted on Apr 12, 2009

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Installing timing belt on a 1990 nissan 300zx


Hi, you have to start by setting the timing belt, then align white lines on timing belt with matching mark on camshaft sprocket and crankshaft sprocket. Point arrow on timing belt towards the front.
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Jun 05, 2011 | 1990 Nissan 300ZX

4 Answers

Removing the lower timing belt cover


  1. Raise and safely support the vehicle.
  2. Remove the engine under covers and drain engine coolant from the radiator; be careful not to allow coolant to contact drive belts.
  3. Remove the front right side wheel and tire assembly. Remove the engine side cover.
  4. Remove the drive belts from the engine.
  5. Rotate the crankshaft to position the No. 1 cylinder at the TDC of it's compression stroke.
  6. Remove the upper radiator hose and the water inlet hose. Remove the water pump pulley.
  7. Remove the idler bracket of the compressor drive belt.
  8. Remove the crankshaft damper. It may be necessary to use a puller to remove the crankshaft damper from the crankshaft.
  9. Remove the upper and lower timing belt covers.
  10. Make sure the punch marks on the camshaft sprockets align with the punch marks on the rear timing belt cover and the punch mark on the crankshaft sprocket aligns with the punch mark on the oil pump.
0900823d801f49c7.jpg
Fig. 1: Line up the punchmarks on the sprockets with the marks on the rear timing belt cover before removal of the belt

  1. Loosen the timing belt idler pulley bolt. Using a hexagon wrench, rotate the idler pulley to release it's tension and remove the timing belt.
0900823d801f49c8.jpg
Fig. 2: After the timing marks are lined up, loosen the tensioner and remove the belt

Be careful not to bend the new belt installing it. Timing belts are designed to flex only the way they turn around the pulleys.
To install:
After removing timing belt, do not rotate crankshaft and camshaft separately, because valves will hit piston heads.
  1. Confirm that No. 1 cylinder is at TDC on its compression stroke. Install tensioner and tensioner spring. If stud is removed apply locking sealant to threads before installing.
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Fig. 3: Make sure the aligning marks are correct before installing the timing belt onto the sprockets

  1. Swing tensioner fully clockwise with hexagon wrench and temporarily tighten locknut.
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Fig. 4: The tensioner uses a spring to aid in tensioning the timing belt. Be sure to use locking sealant when replacing the stud.

  1. Set timing belt, align the arrow on the timing belt forward. Align the white lines on the timing belt with the punch marks on all 3 pulleys.
There are 133 total timing belt teeth. If timing belt is installed correctly there will be 40 teeth between left and right camshaft sprocket timing marks. There will be 43 teeth between left camshaft sprocket and crankshaft sprocket timing marks

go to this link for more help
http://www.autozone.com/az/cds/en_us/0900823d/80/1f/49/c6/0900823d801f49c6/repairInfoPages.htm

Aug 25, 2008 | 1990 Nissan Maxima

1 Answer

How to set the time belt?


4 Cylinder diesel(4JX1) :
1 - Timing mark
2 - Cam pulley
3 - HP Oil pump pulley
4 - Tensioner pulley


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6 Cylinder petrol:
Align crank(C) timing notch mark (1) to oil pump mark.
Align cam pulley(L+R) marks(3) to cylinder head marks
The cam belt has 3 marks, 2 lines and one mark that is actually a row of dots. Align the dots to the crank pulley groove mark(2) and align the other 2 lines to the cam pulley marks. Using a clothes peg to hold the belt to the cam pulleys works wonders to keep it in place while fitting. Please note the arrows on the belt and have them point in the direction of rotation - right to left side of engine
W - water pump pulley
I - Idler pulley
T - Tensioner pulley.

If for some reason you need to realign the cams on each bank :
Standing in front of the car and starting from YOUR left , looking at the cams you should see RE, RI, LI, LE on each of the camshafts.(R for right bank, L for left bank, I for intake and E for exhaust) Right bank camshafts are marked with one dot, left bank with 2 dots on the shaft itself. To align the camshafts to each other each cam shaft gear has a mark on it. Draw an imaginary line between the centre of the camshaft and the centre of the pulley. The alignment mark should be between the two along this imaginary line. The result will be that RI an RE will be at the top of each gear. The same with the left bank.


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Nov 08, 2010 | 1998 Isuzu Rodeo

2 Answers

Location of timimg marks on a 1986 ford ranger with a 2.3 engine


CAMSHAFT TIMING INSPECTION
  1. Locate and carefully remove the access plug from the upper portion of the timing cover. WARNING
    When turning the engine over by hand, ALWAYS rotate the crankshaft in the proper direction of rotation, otherwise the timing belt might jump one or more teeth due to the configuration of the belt tensioner.
  2. Turn the engine CLOCKWISE (in the normal direction of rotation) to set the engine at Top Dead Center (TDC) of the No. 1 cylinder by aligning the O mark on the belt cover with the O mark on the crankshaft pulley. NOTE: If no timing mark is visible through the access cover when the O marks on the crank pulley and cover are aligned, the engine may be on No. 1 exhaust stroke and not the compression stroke (the camshaft is 180°away from No. 1 TDC). If so, the crankshaft must be rotated one full turn to bring the No. 1 piston back to the top and the camshaft around to close the No. 1 intake and exhaust valves.
  3. With the O marks aligned, look through the access hole in the cover to confirm that the timing mark on the camshaft sprocket aligns with the pointer on the inner belt cover. If the belt timing is incorrect, the timing cover and belt must be removed for further inspection, possible replacement and correct installation. For more details, please refer to Section 3 of this manual.
  4. If timing is correct, re-install the access plug. prev.gif next.gif

Jun 29, 2010 | Cars & Trucks

1 Answer

How to time the timimg belt for a 1995 labaron v6 conv put a new water pump in need to set the timimg belt how do i line it up


get the #1 piston top dead center, then line up the camshaft gear and the crank gear to line up with the timing marks on the engine after you find those marks slip the belt on making sure all the timing marks havent changed then check to see if the tensioner for the belt is set with the proper tension then check to see if the belt isnt slipping remember it will be spinnig at high RPMS

May 03, 2010 | 1995 Chrysler LeBaron

1 Answer

Timing belt replacement


camshaft timing mark at 12 o"clock, align cam shaft timing mark to ( v ) cut on top of back timing cover, crank shaft gear align 12 o'clock key way up, there will be a mark on the outer edge of gear, on housing at 12 o'clock there will be the timing mark align that mark to crank gear , install belt and your done.Good luck.

Dec 27, 2009 | 1990 Geo Tracker

1 Answer

Timming belt broke on 93 plymouth lazer and need instalation directions


It is recommended that the timing belt be replaced periodically to assure correct engine performance. Because of their composition, timing belts wear over a period of time and mileage. To avoid vehicle break down and possible engine damage, the manufacturer recommends timing belt replacement at 60,000 miles.
REMOVAL & INSTALLATION1.8L Engine
See Figures 1, 2 and 3
  1. If possible, position the engine so the No. 1 piston is at TDC.
  2. Disconnect the negative battery cable.
  3. Remove the timing belt covers.
  4. Remove the timing (outer) belt tensioner and remove the outer timing belt.
  5. Remove the outer crankshaft sprocket and flange.
  6. Remove the silent shaft (inner) belt tensioner and remove the belt.
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Fig. 1: Silent shaft belt timing marks-1.8L engine

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Fig. 2: Checking the silent shafts for proper positioning

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Fig. 3: Timing belt timing mark alignment-1.8L engine

To install:
  1. Align the timing marks of the silent shaft sprockets and the crankshaft sprocket with the timing marks on the front case. Wrap the timing belt around the sprockets so there is no slack in the upper span of the belt and the timing marks are still aligned.
  2. Install the tensioner pulley and move the pulley by hand so the long side of the belt deflects about 1 / 4 in.
  3. Hold the pulley tightly so the pulley cannot rotate when the bolt is tigthened. Tighten the bolt to 15 ft. lbs. (20 Nm) and recheck the deflection amount.
  4. Install the timing belt tensioner fully toward the water pump and tighten the bolts. Place the upper end of the spring against the water pump body.
  5. Align the timing marks of the camshaft, crankshaft and oil pump sprockets with their corresponding marks on the front case or rear cover.
There is a possibility to align all timing marks and have the oil pump sprocket and silent shaft out of time, causing an engine vibration during operation. If the following step is not followed exactly, there is a 50 percent chance that the silent shaft alignment will be 180 degrees off.
  1. Before installing the timing belt, ensure that the left side (rear) silent shaft (oil pump sprocket) is in the correct position as follows:
    1. Remove the plug from the rear side of the block and insert a tool with shaft diameter of 0.31 in. (8mm) into the hole.
    2. With the timing marks still aligned, the shaft of the tool must be able to go in at least 2 1/2 in. If the tool can only go in about 1 in., the shaft is not in the correct orientation and will cause a vibration during engine operation. Remove the tool from the hole and turn the oil pump sprocket 1 complete revolution. Realign the timing marks and insert the tool. The shaft of the tool must go in at least 2 1/3 in.
    3. Recheck and realign the timing mark.
    4. Leave the tool in place to hold the silent shaft while continuing.
  2. Install the belt to the crankshaft sprocket, oil pump sprocket, then camshaft sprocket, in that order. While doing so, make sure there is no slack between the sprocket except where the tensioner is installed.
  3. Recheck the timing marks' alignment. If all are aligned, loosen the tensioner mounting bolt and allow the tensioner to apply tension to the belt.
  4. Remove the tool that is holding the silent shaft and rotate the crankshaft a distance equal to 2 teeth on the camshaft sprocket. This will allow the tensioner to automatically apply the proper tension on the belt. Do not manually overtigthen the belt or it will howl.
  5. Tigthen the lower mounting bolt first, then the upper spacer bolt.
  6. To verify correct belt tension, check that the deflection at the longest span of the belt is about 1 / 2 in.
  7. Install the timing belt covers and all related items.
  8. Connect the negative battery cable.
2.0L Engine
1990-94 VEHICLES
See Figures 4, 5, 6 and 7
  1. Disconnect the negative battery cable.
  2. Remove the timing belt upper and lower covers.
  3. Rotate the crankshaft clockwise and align the timing marks so No. 1 piston will be at TDC of the compression stroke. At this time the timing marks on the camshaft sprocket and the upper surface of the cylinder head should coincide, and the dowel pin of the camshaft sprocket should be at the upper side.
Always rotate the crankshaft in a clockwise direction. Make a mark on the back of the timing belt indicating the direction of rotation so it may be reassembled in the same direction if it is to be reused.

  1. Remove the auto tensioner and remove the outermost timing belt.

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Fig. 4: Exploded view of the timing belt and sprockets-1990-94 2.0L engines

  1. Remove the timing belt tensioner pulley, tensioner arm, idler pulley, oil pump sprocket, special washer, flange and spacer.
  2. Remove the silent shaft (inner) belt tensioner and remove the belt.
  3. Remove the crankshaft retaining bolts, then remove the pulley.
  4. Remove the crankshaft sprocket retainer bolt and washer from the sprocket, if used, and remove the sprocket. If the sprocket is hard to removed, the proper puller may be used. If no bolts are used on the sprocket. Use the correct puller to remove.
  5. Hold the camshaft stationary using the hexagon cast between journals No. 2 and 3 and remove the retainer bolt. Remove the sprocket from the camshaft.

To install:
  1. Install the sprockets to their appropriate shafts. Install the retainer bolts and tighten the camshaft sprocket bolt to 65 ft. lbs. (90 Nm).
  2. Check both tensioner and idler pulley for bearing wear, and replace if needed.
  3. Align the timing marks on the crankshaft sprocket and the silent shaft sprocket. Fit the inner timing belt over the crankshaft and silent shaft sprocket. Ensure that there is no slack in the belt.

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Fig. 5: Align the camshaft sprocket so marks face each other and are in alignment with the top surface of the cylinder head-1990-94 2.0L engine

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Fig. 6: Align the crankshaft timing mark and the oil pump sprocket timing mark-1990-94 2.0L engine

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Fig. 7: Timing marks in alignment-1990-94 2.0L engine

  1. While holding the inner timing belt tensioner with your fingers, adjust the timing belt tension by applying a force towards the center of the belt, until the tension side of the belt is taut. Tighten the tensioner bolt.
When tightening the bolt of the tensioner, ensure that the tensioner pulley shaft does not rotate with the bolt. Allowing it to rotate with the bolt can cause excessive tension on the belt.
  1. Check belt for proper tension by depressing the belt on its' long side with your finger and noting the belt deflection. The desired reading is 0.20-0.28 in. (5-7mm). If tension is not correct, readjust and check belt deflection.
  2. Install the flange, crankshaft and washer to the crankshaft. The flange on the crankshaft sprocket must be installed towards the inner timing belt sprocket. Tighten bolt to 80-94 ft. lbs. (110-130 Nm).
  3. To install the oil pump sprocket, insert a Phillips screwdriver with a shaft 0.31 in. (8mm) in diameter into the plug hole in the left side of the cylinder block to hold the left silent shaft. Tighten the nut to 36-43 ft. lbs. (50-60 Nm).
continue...

Sep 09, 2009 | 1993 Plymouth Laser

1 Answer

Cant set timing on 1991 nissan maxima


The marks are for an initial reference only. Once the belt is correctly in place and proper tension set, the cam is in time with the crankshaft and will stay that way until the belt breaks or slips from one cog to the next (won't happen if the tension is correct).

After the belt is initially set with the marks lined up, two rotations of the crankshaft (one rotation of the camshaft) will have the marks in a different place. The only exception would be if the belt had an exact multiple of ribs/teeth compared to the crankshaft, and that is not very likely.

Mar 23, 2009 | 1990 Nissan Maxima

2 Answers

Fitting n13 timing belt


A 1990 Nissan Pulsar has a timing chain, not a belt. Here is the picture.
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Mar 14, 2009 | 1990 Nissan Pulsar

2 Answers

1994 Volvo 940 Station Wagon timing belt


I hope you've solved the problem by now, but there are alignment marks on the crank shaft (top pulley), idler (lower side), and cam shaft (smaller, bottom pulley) which should be aligned with stationary marks on the timing belt rear cover.

The belt has marks that align with the aforementioned marks (lines). The double marks on the belt align with the camshaft marks and the single marks with the others.

Loosen the tensioner clamp (nut) to allow the spring loaded tensioner to press on the belt and retighten the nut.

Rotate the crank shaft (clockwise, probably two revolutions) and make sure the pulley marks realign to the marks on the cover (they don't have to realign with the marks on the belt).

Rotate the crank shaft a full revolution once the belt is on and check that alignment is preserved.

Periodically loosen and retension the tensioner nut (access through a hole in the cover) to ensure that tension is maintained as the belt relaxes.

Oct 25, 2008 | 1994 Volvo 940

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