Question about 1999 Pontiac Grand Prix

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Supercharger oil leak

I have a 1999 Pontiac Grand Prix GTP. I just had the Supercharger oil drained and refilled (115,000 miles) by a local shop. Next day most of new oil has leaked out at the pulley. Shop claims no seal or gasket kits available, must remove and send entire supercharger assembly to a west coast 3rd party for service. Is there a seal or gasket kit, and why this may have happened.

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There is seal kits.available for the.m 90 supercharger on the 3800 go to zzperformance.com youl find an eye.full off aftermarket and hard to find parts for the gtp.

Posted on Jan 26, 2012

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Forzed Air Supercharger Service
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Posted on Nov 19, 2009

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MOST LOCAL SHOPS DON'T HAVE ALLOT OF KNOWLEDGE ABOUT SUPERCHARGES .THE SUPERCHARGER CAN BE DISSEMBLE IN 3 PARTS .IF THEY DID THE THERE IS GASKETS THAT DO NEED TO BE REPLACE .ALSO IF THEY TOOK THE WHOLE SUPERCHARGER OF YOU NEED NEW GASKETS .. OR THE SHOP DID NOT TIGHT THE BOLT ON RIGHT...IS A VERY EASY PROCESS TO CHANGE YOU'RE SUPERCHARGER OIL....THEY SHOULD OF HAVE NOT TRY TO FIX SOMETHING THEY NEVER HAD DONE..I HOPE THEY DID NOT CHARGE YOU OVER $$$$150

Posted on Aug 03, 2009

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This is a true statement from shop- it needs to be sent away for service. - it happened because the car has a lot of miles on it and the parts just wore out.

Posted on Aug 02, 2009

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My 1999 pontiac grand prix gtp supercharger has been overheating and when i went to start it the next morning it is making a knocking nosie do you think the engine is blowen


You can check the oil to see if it has water in it if it does it will be milky looking and another thing you can check is the tail pipe and see if it is sucking back or has steam coming out of it.

Jul 04, 2011 | 1999 Pontiac Grand Prix

1 Answer

Would replacing a power steering pump in a 2002 Grand Prix GTP Supercharger cause the SuperCharger belt to break.


No.

The supercharger belt is on the main drive, the water pump is on the accessory drive. Provided that they are both properly installed of course.

Jan 14, 2011 | 2002 Pontiac Grand Prix

1 Answer

My 2004 gran prix (gtp) just hit 100000 miles. What maintenance needs to be done now?


Spark plugs, transmission fluid and coolant change, supercharger oil, air filter, fuel filter, tires, brakes, engine mounts, BTSI inspection and power steering fluid. Also inspect the belts, hoses, pulleys and look for wiring damage.

Jul 02, 2010 | 2004 Pontiac Grand Prix

1 Answer

Hey i would like to know wat size supercharger belt will i need for my Grand Prix 1999 gtp


The belt has an outside circumfrence of 66.897" it is NAPA part # 25060663 it retails for $41.89 and has a lifetime warranty.

Jun 16, 2010 | 1999 Pontiac Grand Prix

1 Answer

How supercharger oil is need for the supercharger, 1997 Grand Prix GTP?


The oil should be changed every 30K miles according to the Pontiac manual.
However, it is best to change it sooner or whenever you don't know when the last change was done.

Dec 11, 2009 | 1997 Pontiac Grand Prix

4 Answers

1998 Pontiac Grand Prix GTP Supercharger coupler


The rattle you are/were hearing is typical on the Eaton blowers. After they get some miles on them, the coupler wears out and the holes become ob-longed or out of round which causes the rattle you are hearing.
Usually at idle you can hear it very clearly.
I have changed a few, and they are pretty simple to change. Just take off the supercharger belt, then you may have to remove your alternator bracket, depends on which years, drain the supercharger oil with a spray bottle sprayer (it does stink badly) then just remove the 10 or so bolts that hold the snout to the housing. Remember to keep track of where they go, some are different lengths.
You may have to use a rubber mallet, or your hand to hit the snout around to break the gaskets loose. Pull off the old black hockey puck looking thing (coupler) clean out the snout, attach new coupler, then reassemble and put new supercharger oil back in, and your rattle will be gone, at least for another 100k miles.
Best place to get a coupler is at,
http://www.zzperformance.com/grand_prix/products1.php?id=155&catid=106
Costs about 30, plus the few bottles of oil for the supercharger.

May 15, 2009 | 1998 Pontiac Grand Prix

1 Answer

Remove supercharger on pontiac GTP 1999


Technically you are supposed to (change the s/c gasket) but if your careful and don't tear it, you don't really need to.

Be sure to inspect the yellow coolant o-rings.

The gasket thickness isn't going to matter at all on the supercharger gasket.

Perfect oportunity to install that Intercooler you always wanted ;)

Nov 10, 2008 | 2007 Cadillac CTS 3.6L

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