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Re: how to change a timing belt on a 1989 buick regal
This is a serious repair job (I've done it several times) and a real
beast for the typical driveway mechanic. It's nothing like the
simplicity of a fan or alternator belt. It's inside the engine!
A $50 part and 10 hrs of labor. A sure way to kill a weekend (if everything goes well)
The front engine cover, housing the waterpump, etc must come off (usually the radiator, etc is in the way)
The relationship between the position of the crankshaft and camshaft is
critical (these 2 major rotating parts are connected by the toothed
timing belt. One notch off during re-assembly and the car will never
run right if it even starts.
Buy a good shop manual (factory is best but aftermarket is OK) and examine the steps before deciding to take on this tough job.
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There is no standard replacement interval for timing chains. There are some signs that will indicate that it is worn out like a rattle from behind the timing cover. If the engine has been taken care of the chain should last the life of the engine.
The only time I have changed them is if the vehicle has higher miles and the timing cover needs to be pulled to fix a problem like an oil leak or coolant leak. Otherwise they are not common repairs.
COULD BE THE CRANKSHAFT POSITION SENSOR. LOCATED ON THE BACK SIDE OF THE ENGINE NEAR THE FREEZE PLUGS. I HAVE HAD A SIMILAR PROBLEM AND THIS SHOULD FIX IT. YOU WILL NEED AN 8MM WRENCH TO REMOVE THE BOLTS THAT HOLD IT IN PLACE. BEST OF LUCK. KEEP ME POSTED. THANKS FOR AN HONEST RATING AND FOR USING FIX-YA.
do you have a 3.1L V6? The timing cover gasket seals the timing components, it is located behind the belt drive system (alt, a/c, p/s etc.) all of these components must be removed to change this gasket, also the oil pan lower seal gets changed at the same time. The oil pan gasket includes the rear pan seal and the side seals and on for the rear of the pan, the engine must be lifted out of it mounts to change this gasket. It takes time to do these repairs and each shop has an hourly rate per hour on labor. The cost of the parts will be relatively the same at any shop, labor will differ. I hope this helps to answer your questions.
the water pump is going to be one of the pulleys on the serpintine belt. its going to be the only one that uses the back of the belt(side with no groves) to spin it. take the belt off and undo the three screws on the pulley and pull it out. then put the new pump back in. make sure belt is one right. make sure cooling system is still full. and you should be good to go.