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How to set the crankshaft timing when replacing of bearing

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Can you come back with what bearing you are replacing

Posted on Jan 14, 2013

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How to aliane marks on cam shaft pulley on mazda protege 2002


1. Remove all spark plugs so that the crank shaft could be rotated easily.
2. Rotate the crankshaft to align the timing mark of the crankshaft gear with the index mark on the engine cover.
3.Rotate the crankshaft +/- 30 degrees to ensure that the valve could not hit the pistons when aligning the camshaft gears.
4. Align the camshafts as described below.
5. Align the crankshaft timing gear with the index mark.
6. Loose and lock the timing bearing at its farther position. Install a timing belt starting from the crankshaft gear, then right cam, then left cam, and at last the timing bearing.
7. Press and hold the timing belt to keep it firm on the gears and loosen the timing bearing. It will get adjusted by itself with the help of spring attached to it. Do not put extra force on the bearing to adjust it more.
8. Confirm the timing marks.
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Apr 22, 2015 | 2002 Mazda Protege

1 Answer

NEED DIAGRAM FOR LOCATIONS OF CRANKSHAFT PULLY,OIL SLINGER AND SPRING.FOR 1983 MAZDA 2.2L DIESEL


Here is the procedure:-


  1. Remove setscrew from side of cylinder block.


  2. Remove oil pipe attaching bolts.


  3. Remove oil pump and strainer.
TIMING GEAR COVER



  1. Remove timing gear cover to case attaching bolts.


  2. Remove timing gear cover and gasket.

CAMSHAFT, CRANKSHAFT, IDLER & INJECTION PUMP GEARS



  1. Remove oil slinger and washers from crankshaft snout.
Using puller set 49 0839 425C or equivalent, remove crankshaft timing gear, Fig. 3.


  1. Position a clean rag between camshaft and idler gears, then remove cam gear lock bolt and washers.


  2. Using puller set 49 0839 425C or equivalent, remove cam gear from camshaft, Fig. 3.


  3. Remove idler gear to spindle retaining nuts and washers, then remove idler gear and spindle assemblies.


  4. Remove injection pump drive gear.


  5. Remove timing gear case to cylinder block attaching bolts, then the timing case.



CAMSHAFT




  1. Remove tappets from cylinder block.


  2. Remove camshaft thrust plate to cylinder block retaining bolts and washers, then pull camshaft from block.



PISTON & CONNECTING ROD




  1. Remove connecting rod bearing cap retaining nuts and bolts, then separate bearing cap from connecting rod.


  2. Using the wooden handle end of a hammer, push the piston and connecting rod assembly outward until piston rings clear cylinder bore. Remove piston and connecting rod assembly through top of cylinder block.


  3. To separate piston from connecting rod, remove piston pin retaining clips, then press pin from piston using a suitable driver.



CRANKSHAFT




  1. Remove rear oil seal cap retaining bolts, then the cap and seal.


  2. Remove main bearing cap to cylinder block retaining bolts, then the main bearing caps and thrust washers.


  3. Lift crankshaft from cylinder block.

Mar 26, 2015 | Mazda Cars & Trucks

1 Answer

How do I switch a crankshaft


Disconnect the battery. Remove the spark plugs. You will need to remove the engine and transmission from the vehicle (unless you have a lift, in which case you only need to remove the transmission.). Separate the engine and transmission. Remove the flex plate (flywheel). Remove the serpentine belt and crankshaft pulley. Remove the timing cover, timing chain, and crankshaft timing gear. Remove the oil pan. You may have to remove the oil pump for clearance. Remove the rod bearing caps. Keep them in proper sequence. Remove the main bearing caps. Keep them in proper sequence. Remove the crankshaft.

You will need new rod and main bearings to replace those already in the vehicle. You will need a new oil pan gasket and timing cover gasket set. Depending upon mileage and age, you may want to replace the timing gears, chain and guides. You must know all proper torque values for the crank and rod bearing caps, flex plate, and timing cover.

As you can well see, this is not a job for the auto DIY novice.

Mar 05, 2015 | 2003 Honda CR-V

1 Answer

Timing chain installation


1996-1999 Toyota Corolla valve timing:
It is very easy to install the timing belt on 1997 Toyota Corolla. Do the following:
- Mark the numbers 1,2 and 3 on the spark plug wires with permanent marker or nail polish and remain the 4th one unmarked. This is necessary so that you can easily remember the spark plug wires order later on their original position.
- Remove the spark plugs so that the engine can easily be rotated.
- Rotate the crankshaft clockwise to align the v- groove mark on the crankshaft pulley with the 0 mark on the timing belt cover. If these marks are aligned the piston is always on the Top Dead Position (TDC).
25502648-okm0ksuj3f3lm2ubjq0dkjux-5-0.jpg

- To replace the timing belt remove the crankshaft pulley, upper and lower timing covers.
- Temporarily screw in the crankshaft bolt in its place to rotate the crankshaft with the spanner and align the v- groove of lower crankshaft gear with the index mark on the oil pump cover as shown in the following diagram.
- Inspect the cam shaft mark through the small hole on the cam shaft sprocket. The punch mark should be exactly behind the hole on the cam shaft sprocket as shown in the following diagram.


25502648-okm0ksuj3f3lm2ubjq0dkjux-5-2.jpg
- Loosen the timing bearing bolt, press the bearing forcefully against the spring with some suitable tool and lock it there temporarily.
- Remove the timing belt.
- Remove the timing bearing.
- Replace the new timing belt and bearing with the original.
- Install in the reverse order of dis-assembly.
NOTE: NEVER PUT EXTRA FORCE ON TIMING BEARING TO ADJUST THE TIMING BELT TENSION. JUST LOOSEN THE TIMING BEARING BOLT AND THE SPRING ATTACHED TO IT WILL PULL THE BEARING IT SELF WITH THE PRESET TENSION TO ADJUST THE TIMING BELT.
Thank you for visiting Fixya.

Mar 02, 2015 | 1997 Toyota Corolla

1 Answer

What is the big end bearing settings on a ford laser 1.6 1996 model


Hi there
Big end bearings are set when you get them as they are set to the crankshaft grinding so you buy bearings with the crankshaft OR stamped on the bearing shell is the o/s [like 020u/s or 020 o/s
but if the crankshaft is worn at all then dont put any bearings on it untill its been ground.

Nov 09, 2014 | Ford Laser Cars & Trucks

1 Answer

Replace crankshaft bearings on 1999 ford expedition


v6 have 4 main bearing sets and 6 big end bearing sets
v8 have 5 main bearing sets and 8 bigend sets
5 cylinder inline will have 6 main bearing sets and 5 big end set
It appears that some where you are short a set of bearings Check that the rebuild kit is for your engine

Feb 22, 2013 | Ford Cars & Trucks

1 Answer

How to tighten a loose rod? My car makes a rattling noise when accelerating, and someone told me it was this, so how long and how difficult would it be for an average car guy to fix this?


You can't tighten a loose connecting rod, the noise is likely caused by a worn bearing or defective crankshaft bearing journal, to repair this requires the engine assembly be removed from the car and the engine crankshaft machined smooth or replaced and new rod and crankshaft bearings bearings installed. The esiest way to handle this as far as time down and expense goes is to replace the engine with a rebuilt one.

Aug 09, 2011 | 1994 Mercury Cougar

1 Answer

I need to replace a connecting rod bearing


WHEN YOU REPLACE ROD BEARINGS YOU HAVE TO CHECK CRANKSHAFT JOURNALS WEAR.IF TAPER TOO MUCH.CRANKSHAFT HAS TO BE REGROUND OR REPLACE.YOU HAVE TO TAKE ENGINE OUT OF CAR.TO DO A SHORT OVERHAUL.YOU CAN REPLACE BEARINGS IN CAR USING ROLL OUT PINS AND DROP THE OIL PAN.BUT WHEN YOU REPLACING ROD BEARINGS AND MAINBEARINGS CRANKSHAFT HAS TO BE CHECK FOR WEAR.IF YOU PUT NEW ROD BEARINGS IN THEY WILL FAIL PREMATURELY.

Jun 06, 2010 | 1999 Oldsmobile Alero

1 Answer

Rod bearings replacement


It can be done as long as the journals on the crankshaft are smooth. I would use Plasti-gauge to check the clearance between the new bearing and crankshaft. If you have a bad rod bearing already, or the crankshaft journal is really scored, it's a waste of time.

May 09, 2010 | 1999 Oldsmobile Intrigue

1 Answer

I'm looking for the 2000 isuzu rodeo 3.2L v6 connecting rod bearings torque specs.


1. Check the connecting rod alignment If either the bend or the twist exceeds the specified limit,the connecting rod must be replaced. Bend per 100 mm (3.937 inch) Limit: 0.15 (0.0059) Twist per 100 mm (3.937 inch) Limit: 0.20 (0.0078)

2. Measure the connecting rod thrust clearance. Use a feeler gauge to measure the thrust clearance at the large end of the connecting rod If the clearance exceeds the specified limit, the connecting rod must be replaced. Standard: 0.16 mm - 0.35 mm (0.0063 inch - 0.0138 inch) Limit: 0.40 mm (0.0157 inch)

3. Measure the oil clearance between the connecting rod and the crankshaft.

    1. Remove the connecting rod cap nuts and the rod caps (12). Arrange the removed rod caps in the cylinder number order.
    2. Clean the rod bearings and the crankshaft pins.
      1. Carefully check the rod bearings. If even one bearing is found to be damaged or badly worn, the entire bearing assembly must be replaced as a set. Reinstall the bearings in their original positions. Apply plastigage to the crank pin.
      2. Reinstall the rod caps (12) to their original positions. Tighten the rod cap nuts. Torque: 54 Nm (40 ft. lbs.) Note: Do not allow the crankshaft to rotate.
      3. Remove the rod caps.
        1. Measure the width of the plastigage and determine the oil clearance. If the oil clearance exceeds the limit, replace the rod bearing as a set. Standard: 0.019 mm - 0.043 mm (0.0007 inch - 0.0017 inch) Limit: 0.08 mm (0.003 inch)
        2. Clean the plastigage from the bearings and the crankshaft pins.

May 21, 2009 | 2000 Isuzu Rodeo

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