Question about 1996 Oldsmobile Aurora
Looking for a little help with the steps to take and order of steps to remove and reinstall idler pulley. I know i need to raise the engine couple inches but thats about it. This is first attempt at idler pulley and cannot find book for this aurora. Any help would be greatly appreciated. Thanks
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Posted on Jan 02, 2017
The inner door panel is held in by clips and screw.
Look at the door near the door handle there should be screws holding it in and along the outer edge of the door. Once loose, and the door handle removed or the arm rest removed. The door panel then prys out , because of the clips that hold it on. Then pops out by applying pressure to the panel upward to the top of the door. The clips always break because of the design and plastic.
Posted on Mar 21, 2009
If memory is correct it should be driven by the serpentine belt, which runs through one of the engine mounts.
To change the belt you'll need to support the engine (by something other than the oil pan) and pull the engine mount.
== here is another opinion== First you have to remove the belt to the alternator then you can remove the belt to the supercharger. To do this you will need a 19/32" socket and breakerbar or long ratchet.
Put ratchet on belt tensioner nut and pull toward front of car then pull belt off. There is a separate tensioner for each belt.
I hope this helps and since your doing all that work might as well sevice the supercharger too which is always forgotten.
You can buy a superchaarger lubricant from the dealer or, according to the manual. You can use synthetic 10W30 weight oil, which is a much cheaper route.
The filler is a small plug located at the bottom of the goose neck of the supercharger. You need an allen wrench to unscrew it. The oil should be up to the bottom of the threads for the screw plug.
Good luck and hope this helps. Dubble check though, i had a long day.
Posted on Apr 21, 2009
They are usually in there pretty tight. If drivable, you can have someone loosen it up with a shop air gun.
Thread is not reverse.
There is a second way to remove it...Use a solid 1/2" breaker bar with the correct size impact socket. You need to support it and brace it against the floor. Then "bump" the engine over Don't crank, just bump. The engine crank will unscrew itself from the bolt. Be careful doing this if socket and bar get loose they can damage you and stuff around the area where you're working. I use a pipe driven into the ground with a pair of vise grips attached to the breaker bar to keep it at the right height. (bar goes inside the end of the pipe)
Posted on Apr 21, 2009
it is your idler pulley. get it from dealer comes with bracket, just use pulley off bracket. take your belt off and your idler pulley is lower right hand side(facing your engine). 15mm bolt, replace pulley and reinstall your belt. it;s a common problem on trailblazers
Posted on May 05, 2009
SOURCE: Engine Won't Idle
Here is the common cause of surges, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.
Posted on May 20, 2009
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