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Posted on Jan 02, 2017
first disconnect the battery then check how the serpentine belt is lined up so u can take it off and put back on. Then the pump should be on the side of the motor with 9or12 bolts there could be more! after taking out take razorblad and skrap the old gasket clean wipe of then put new gasket and pump back on dont over tighten the screws cuase the pump my be aluminum.
Posted on Mar 19, 2009
The rear leveling trip switch is located on driver's side near rear air shock on the frame. Check for leaks in air line.
Posted on Oct 21, 2009
Buick 3.8's are notorious for intake manifold leaks. If you are sure you are not leaking externally (look under the alternator and on the top of the transmission), it could be an intake manifold leak. I've replaced mine...I didn't think it was too hard a job for an amateur.
It could also be a head gasket, but the intake leaks are much more common.
Posted on Dec 25, 2009
The water pump removal is a breeze on this vehicle. First remove your four bolts that hold the pully to the pump, then remove the serpentine belt. Next remove all bolts from water pump, now the fun part, pry the housing of the water pump off gently trying not to nick or gouge the engines placement for the housing. now all you have to do is make sure the housing is clean of all debris or old gasket material, you wouldnt want any of that gunk getting inside. nowplace your gasket properly on new water pump and place on housing. make sure the gasket fits nicely. reinstall pully to water pumy, reinstall your serpentine belt, place new antifreeze, I prefer the peak green full strength, make sure to mix correctly also. start engine let run for 5- 10 minutes and then let cool down and check levels. hope this helps.
Posted on Feb 10, 2010
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