Pontiac Grand Prix Forums : Grandprix

This writeup on Engine Motor Mount Replacement has been added to the How To section and can be found HERE.

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Kansas City Pontiac Motorsports Club
Green Bastard Performance

BTW, before anyone says anything, I did fix my supercharger belt while I was in here. I got the cover off and noticed it was one rib off on the balancer pulley, you can see the one rib on the outside of the pulley in these pics. Probably been that way since my coolant elbow fiasco (which is still on the to do list to fix). Luckily, it didn't damage the belt or worse, shred it on the Power Tour.

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Kansas City Pontiac Motorsports Club
Green Bastard Performance

I see one thing wrong with this picture

F**ckin Rebuild Another Motor. (FRAM)

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We can’t help ourselves. We see a line, we want to cross it. Maybe it’s the thrill for trading the familiar for the unfamliliar. A personal dare. The only problem is once you’ve crossed it’s almost impossible to go back. But if you do manage to make it back across that line you find safety in numbers.

VERY VERY nice write up. Should most definitely be put in the How To section. Thanks for taking the time to write this up. 5 star vote and rep points for you my friend.

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Scotty Hall
2001 Pontiac Grand Prix GTP
It whines a lot, but I like it.

The only place success comes before work is in the dictionary.

Great spirits have always found violent opposition from mediocre minds.

I wasnt going to pick on him because of that, LOL

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Scotty Hall
2001 Pontiac Grand Prix GTP
It whines a lot, but I like it.

The only place success comes before work is in the dictionary.

Great spirits have always found violent opposition from mediocre minds.

Good write-up, I may do this when I have my heads off for the top swap(motor will be much much lighter)....

Oh and + rep for you

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2002 GT...Wizardair, ZZP 2.5 o/r dp, Special Eddition two-tone leather interior added, HUD added, 12" Brake Upgrade,strut tower bars, gmpp sway bars, poly motor mounts, -6an braided SS fuel hoses , Hptuned, Headers, Top Swaped.....
I've got Boost!! Top swap Quesions? Click Here

Yeah Yeah... filter is getting swapped on the next oil change. If it makes it long enough. LOL!

Give me a recommendation that I don't have to go out of my way to find.

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Kansas City Pontiac Motorsports Club
Green Bastard Performance

Well done indeed!!!!

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2001 GTP street car- GT45 turbo,Stage 4 Intense turbo cam,FMIC,150 wet, double roller timing chain, Diamond forged coated pistons 8:0:1, Diamond piston rings, cryoed L32 connecting rods, Cryoed crank, Clevite77 main bearings, Clevite77 cam bearings, Clevite77 L32 rod bearings, ARP Everything, Intense/meizere true billet Flexplate, Custom UIM, Intense oil pressure kit, Cometic 4 layer head gaskets, OE-R lifters, Cryoed L67 block, ATI turbo dampner, SDD FATMAN FUEL RAILS!!!!!!!!!

Purolator Pure One Premium filters seem to do well in testing. Mobil 1 EP filters arent horrible.

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Scotty Hall
2001 Pontiac Grand Prix GTP
It whines a lot, but I like it.

The only place success comes before work is in the dictionary.

Great spirits have always found violent opposition from mediocre minds.

how did you know the engine mount was bad or was it?

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I was leaking the hydraulic fluid out of it. I noticed it when investigating a popping noise in the right front.

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Kansas City Pontiac Motorsports Club
Green Bastard Performance

Got pics of how your dogbones are aligned? Noticed any difference? My Napa mount was a hair shorter than the stocker apparently because my passenger side is a little lower than the other side making my dog bones slightly crooked. I spaced out the motor mount a little, it still ain't right though IMO.

I've been thinking about just paying the $$$ and getting OEM GM lower motor mounts (I should of done this in the first place!).

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Shawn W. Larsen


'07 Chevy Trailblazer SS___'00 Pontiac Grand Prix GTP ___'99 Pontiac Grand Prix GTP

to add another tip for getting the studs seated in the holes top and bottom-- when i changed mine, i ended up starting the nuts on the top threads, in an unequal rate, so as to change the position of the bottom two studs. (needed to angle them a bit to get them to line up)

Mine came out straight, they slid right in when I was finished. I can get a pic if needed. Did you replace the trans mount too? I haven't done it yet on mine yet. I haven't even looked at it, but if it is bad too and a new one raises that side, I can see where I might get what you're talking about.

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Kansas City Pontiac Motorsports Club
Green Bastard Performance

do you have any pictures of the leak?

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Not really, just this one in the write up. Fluid all over one end of it that I assume was from the mount since it was smashed flat.

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Kansas City Pontiac Motorsports Club
Green Bastard Performance

with a smashed mount, would this cause headers to hit something while reversing heavily? because when i reverse something hit something and make a god awful sound.

yeah, mobil1 filters and purolators come from the same place right? champion industries or somehting. i always thought fram was the best....until i found good sites saying otherwise...this is one of them...i switched to mobil 1 ep filter as stated above and found idle improved cold and hot...put an ep on my chysler van and the knocking sound it made with stock mopar filter (also a FRAM...GONE!!!) is not to be heard...its worth the extra 5 bucks every 3 months or so...get a better filter!!!

Good news, that was the one and only FRAM filter ever on the car. Been using AC Delco ever since.

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Kansas City Pontiac Motorsports Club
Green Bastard Performance

Wow - thanks. I might attempt this later this winter. I should crawl under and see if I am leaking hydraulic fluid out.

Dumb question: is there one of these mounts on each side, or is it just a tranny mount on the other side?