1998 Pontiac Grand Prix Logo
Erick Rice Posted on May 28, 2013
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Transmission Compatibility Can a transmission from any supercharged gm fit a 1999 pontiac grand prix gtp

1 Answer

Keep calm,tell me your problem and i solve it

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  • Expert 91 Answers
  • Posted on May 28, 2013
Keep calm,tell me your problem and i solve it
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Joined: Nov 20, 2010
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As you see I provided you the models you can apply the transmission :The 4T65E-HD (code MN7) is a heavy duty version of the 4T65-E used with more powerful engines such as the LS4 V8 and L67/L32 supercharged V6. Applications: 2.93:1 MN7 Pontiac Bonneville SSEi L67 Chevrolet Impala L67 Chevrolet Monte Carlo L67 Pontiac Grand Prix GTP/GXP Buick Regal GS Buick Riviera L67 (97-99) So ,yes you can!

Testimonial: "Thanks Crispal... If I use one from a 04 Monte L67 will i need to use the computer from the vehicle as well ?"

5 Related Answers

c17hydro

Greg Bernett

  • 2993 Answers
  • Posted on Jun 30, 2009

SOURCE: Where is the egr valve on a 1999 pontiac grand

Front of the motor....

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Looks like this:

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mlapres

Mike LaPres

  • 757 Answers
  • Posted on Feb 27, 2010

SOURCE: replace thermostat on 2003 grand prix gtp with

The thermostat housing is located in the upper radiator hose. You will see a metal elbow secured by two bolts into what I remember is the upper intake manifold...don't quote me on that but you will see it regardless of whatever I call it. Anyways, GM decided it was a good idea to put stainless steel bolts in there but that makes it easy to strip the threads in the bolt hole so I think it's best when you put your wrench on the bolt to just tap on the handle till you vibrate it loose, then turn it.
When you pull off the housing you'll lose a little coolant and it will create an air pocket which we'll address. It's a 50/50 chance that the thermostat housing gasket will either stick to the housing or the engine...it may be torn, cracked or flaking in either case clean both contact surfaces before you replace the gasket. I recommend an oil impregnated poly material gasket.
Note the position of the thermostat in the hole and place the new one in as such.
I recommend a 180 degree thermostat...stock is 195 but the GTP runs better with the 180.
Put on gasket and reinstall the hose/housing assembly, alternate from one bolt to the other so the housing mates flat and cannot cause a leak.
Next, fill the coolant overflow bottle to the "HOT" mark. If the bottle is dirty and hard to see just put a light on top of the bottle...GM didn't mark it very well so if it's not squeaky clean you can hardly see a damn thing.
*IMPORTANT** if your car still has Dexcool in it, DUMP IT. It will eventually destroy the motor.
If not...continue on. Start the car. Go back to the thermostat housing and place a rag on top of, and twist the peacock valve on top of it to let the air out until it starts to get coolant on the rag. Done.

roniecon

Ronny Bennett Sr.

  • 6988 Answers
  • Posted on Jul 13, 2010

SOURCE: 1999 pontiac grand prix gtp dual airconditioning

Two things can be the problem,first,try adding ,a little freon,if it is low,it will only cool one side,then if this does not help,there is a door actuator motor that controls this,it could be not working,the dash has to come out to replace this actuator motor,if this was at all helpful,please rate,thank you.

Patrick Rayome

  • 1757 Answers
  • Posted on Oct 08, 2010

SOURCE: GM 3.8 liter supercharge v6 firing order 2000

For the 2000 Pontiac Grand Prix:
I do not know if you have the 3.1L V6 or the 3.8L (including Super Charger) V6; however I have included both below...

For the 3.1L V6:
Firing Order:
1-2-3-4-5-6
Cylinders:
......(back).......
'...1....3....5...'
____________
'...2....4....6...'
.......(front)
Ignition Coil Connections:
.'.5..2.'..'.3..6.'..'.4..1.'


For the 3.8L V6 including the Super Charger:
Firing Order:
1-6-5-4-3-2
Cylinders:
.....(back).......
'...2....4....6...'
____________
'...1....3....5...'
......(front)
Ignition Coil Connections:
(back)
o 6
o ---3
___
o 2
o ---5
___
o 4
o ---1
(front)

Let me know if this helped, or if you have additional information or questions. Feel Free to contact us at FixYa.com!


Anonymous

  • 7 Answers
  • Posted on Jan 26, 2012

SOURCE: Supercharger oil leak

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.

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07 Pontiac Grand Prix supercharged 3.8 GT, TCM location?

Transmission Control Module (TCM) (LS4)
Left front of the engine compartment, near the left headlight assembly .What engine does your vehicle have ?

LS4
Engine - Gas, 8 CYL, 5.3L, SFI, Aluminum, Cylinder Deactivation, GM

I'm going to take a wild guess an say you have 3.8l

L32
Engine - Gas, 6 Cylinder, 3.8L, SFI, V6 L32
Engine - Gas, 6 Cylinder, 3.8L, SFI, V6 Supercharged, GM
, GM

If it's the 3.8l L32
Engine - Gas, 6 Cylinder, 3.8L, SFI, V6 Supercharged, GM you don't have a TCM module . you have the PCM
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2000 Pontiac Grand Prix GTP supercharged 3.8 litre. Where is transmission speed sensor?

Have some one tap it for you while you're under the hood to track it down and then disconnect at least one of the wires. You can also try looking at your fuse box or where ever your relays are and look for the horn or horn picture. Either of those should do the trick so whatever's easier.
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1998 Pontiac Grand Prix GTP 3.8 supercharge, Automatic Transaxle - 4T65-E rebuilt 2 years ago. Drove to work (26 miles) and all was fine, got in to leave and put gear selector in drive or 1st and nothing...

Your transmission for the GTP should be the 4T65-HD. If in fact it is not then that could very well be the problem. The 4T65-E is for the other 3.8L naturally aspirated models.
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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.
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New transmission

The best place you'll ever find parts and service for the GTP is www.zzperformance.com

They have their headquarters garage and then several authorized satellite locations in a few states. They make their living on working only with the GTP exclusively.
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Can I take a super charger out of a Grand Prix GTP and fit it on my Grand Prix GT 3.8L V6?

Well, the short answer is "yes". But - it isn't nearly as simple as just bolting the supercharger onto the intake and VOILA!, now you're supercharged. The procedure that you're inquiring about is commonly referred to as a "top swap", and there are numerous parts you will need for both engine as well as the transmission. Why the transmission? Because the GT and GTP use different gear ratios and the GTP has a 4T65HD as opposed to the 4T65E that is in the SE/GT. You will also need to have the PCM reprogrammed to accomodate all of these changes.

HERE is a great website that has a ton of very useful information, regarding this and many other Grand Prix topics.

Hope this helps and thanks for using FixYa!
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