Question about Buick Century
I'm suspecting its the idler arm pulley assembly but not sure. Shoudl the whole assembly be switched out or just the arm?
Short answer is replace only what is broken. My thought is always the same. Do I want to be back in the same area fixing what I could have replaced the first time. I know it may not all be broken but the time is now to replace it all.
Posted on Jan 21, 2013
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Posted on Jan 02, 2017
Idle at 40 is fine. Do what I said and give it a chance to work...chances that an adjusting nut has loosened up is ) if it's a 4.0 (you didn't say) these have non adjustable valves. Any engine with adjustable valves uses "interference thread" nuts that do not back off.
Posted on Mar 21, 2009
SOURCE: Replace idler arm pulley
An idler arm is a steering component found on vehicles without rack and pinion steering. Your referring to an idler pulley. To replace: remove the belt, remove the bolt from the center of the pulley, replace the pulley and reinstall the belt.
Posted on Apr 17, 2009
could be however the harmonic pulley seems more likely, to check this __ with the engine running put a large srewdriver behind to pulley, next, carefully put your ear to the pulley and see if you can hear the grinding noise from there
Posted on Apr 20, 2009
The bolt holding you up is on the bottom by the compressor, right? You Will have to have an inverted torx socket to remove the studs. Also there is a spacer behind the mount bracket, remember where it goes. You will have to pull the pully bolts and get it out of the way too. Some of those cars have plastic elbows going from the intake to the water pump, be carefull with it. Your motor may not have this but be ready to replace it if it does because it will most likley break. Good Luck.
Posted on May 10, 2009
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