Question about 1991 Buick Park Avenue

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I have a 1991 buick park avenue 3.8 it makes a real loud noise when u turn the crankshaft only when car is not running

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The noise comes from the crankshaft pulleys.But get the belt checked. If your car is making a squealing sound and you have checked all of the belts, then there is a good chance that either your AC Idler pulley bearings are gone, or your crank pulley is going bad and starting to separate. It is easy to determine which one it is. Just pull off the AC belt and then drive the car around. If the squealing didn't go away, it's the crank pulley.The crank pulley also acts as an engine dampner. This is accomplished by the rubber in between the pulley. Once the rubber wears out, the two metal pieces start to move independently. This is where the squealing comes from.
It's very important to change the pulley as soon as it starts making noise because if the pulley separates, you will lose all of the belts and possible damage your oil pump cover.
Get the pulleys checked and replaced,which ever is checked faulty. Thanks. Keep updated for any more query. You can rate this solution and show your appreciation

Posted on Sep 01, 2010


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1 Answer

Where is the crankshaft , and cam sensors located on the engine of a 1991 buick park avenue unltra?

Should be right below the power stearing fluid. If you got to there is a spot to locate the parts in you vechile. you will have to put in your vechile information..

Mar 30, 2011 | 1991 Buick Park Avenue

2 Answers

1991 park avenue will start but shuts down it will not stay running. replaced fuel filter still will not stay running

Check to see if the security light illuminates on the dash when it is not starting. If the key is forward and the security light is on, you have a problem with your vats security system. If this is the case, check out this link

Mar 29, 2011 | 1991 Buick Park Avenue

1 Answer

1991 Buick park avenue. Great driving, comfortable, good performance. When driving turn off unespected. Dont know what it is, drive great, nothing sound. Just turn off when driving.

yes it could be the crankshaft sensor that burnout,i would recommend replacing it and the camshaft sensor,now if your car was blowning the fuse that goes to the fuel pump and pump is good, then it would be the oil pressure switch thats going out,cus the oil switch is connected with the fuel pump wife car was doing all of this to her, I even replace the main computer cus it also went out after i put new crankshaft sensor,

Sep 07, 2010 | 1991 Buick Park Avenue

1 Answer

When i turn my heater on in my 97 buick park avenue it makes a very loud screeching noise is this a easy fix and what tools do i need to do the job thanks

It sounds like your blower motor may be going soon. It may be the bearings in the motor blower grinding. You cannot fix this, if this is the problem you may need a new blower.

If it still works and you can handle the noise it can last like this for a long time.

Dec 16, 2009 | 1997 Buick Park Avenue

1 Answer

1991 buick parkavenue pulley clanking

Because the bolt should not be sticking out of it.. Have it tightened before it comes off and causes damage to crankshaft or soeones windshield. Soon. Good Luck, Ned

Sep 24, 2009 | 1991 Buick Park Avenue

1 Answer

Starter motor does not turn, but solenoid is loading.

bad battery, bad battery conection,bad body ground
bad power wire to the starter from the battery
blown fuerable link

Jun 09, 2009 | 1991 Buick Park Avenue

2 Answers

Car won't start after loud grinding noise when turning the key. Now grinding is gone and there's nothing after turning key.

had the car been running rough before hand?

It may well be a snapped con rod. Would allow the engine to turn for a while until it jams by the crankshaft.

If the car is manual it may be the clutch plate but with your foot on the clutch it shouldnt stop it.

May 21, 2009 | 1998 Buick Park Avenue

1 Answer

1991 park ave 190k miles, loud bearing noise from serpentine belt area at idle, goes away at speeds 10mph and up. has new water pump and alternator, belt is not jumping around, a/c is still cooling. noise...

The serpentine belt area is large. Remove belt and spin the IDLER PULLY of the belt TENSIONER. and listen for a bearing noise. A common failure. Hope this helps

Apr 30, 2009 | 1991 Buick Park Avenue

1 Answer

1991 buick park avenue will not stay running and runs rough

I think you got your answer to the alarm issue. I had the same problem with rough idling, lack of power, and the chugging that occured when going up hill. I have a 1991 Park Avenue with 190k miles. Fixing the catalytic converter helped, but the real problem was in the ignition control module. It seems that older buicks will heat these units to the point that the glue inside melts and eventually exposes the electronics. Look for glue or exposed wires below the ignition coil. It's a $100 part that you should be able to change yourself. I hope that helps.

Jan 23, 2009 | 1991 Buick Park Avenue

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