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08-18-2010
i have a 98 grand prix gtp that needs to have the torque converter replaced. what tools do i need to do this. Also a how to guide with detailed steps would be awsome, since this is my first big project. What size Socket do i need for the Axle Nuts? how does the axle spindles discconect from the tranny? also how do i unbolt the steering gear from the cradle. Thanks!
08-18-2010
Flat head screw driver
Philllips screwdriver
13mm wrench
18mm wrench
8mm socket (all sockets deep unless stated)
10mm socket
13mm socket
15mm socket
18mm deep and shallow sockets
34/36mm sockets
24-48" of extensions
Needle nose pliers
3-4 foot 4x4 and 4 feet of chain or engine holder with accessories
push pin clip popper always good to have.
Jackstands and jack
Disconnect negative battery cable
Pop shifter cable off of selector arm
Unplug 2 connectors at trans range position switch (97-99ish)
Remove 2 13mm bolts holding shifter cable bracket to trans (keep cable in bracket)
Remove 15mm nut on from lower trans to engine bolt location to remove negative cable from that stud.
Support engine with fixture or 4x4 and chain (Make sure this is well done and it's taunt, your life will rely on it)
Jack the car pretty high and support from drip edge (factory jacking location in front along door sill)
Drain trans fluid (10mm)
Remove both front tires (19mm)
Remove splash shields that keep you from seeing trans/engine (phillips/pop clips)
Remove cotter pins from ball joints
Remove ball joint castle nuts (18mm)
Remove the two bolts (18mm both sides) that hold the ps rack to the subframe
Remove both sway bar end links (stock 13mm)
Disconnect ABS sensors from wiring
Remove 10mm bolt that holds brake line bracket to body in wheel well
Remove both axle nuts (stock 36mm, aftermarket typically 34mm)
Leaving axle nut on end of spline hit (to not mess up threads) the axle inward until it's freed from the hub and moving
Using a long prybar have an assistant pry down on the lower control arm while you hit the balljoint to free it from the knuckle
Remove both axles from hubs
Remove axles from trans
Remove any clips holding ps lines, wires, abs sensor wiring etc to subframe
Remove 4 18mm bolts holding subframe to body, slide out of way
Remove starter plastic shroud (POS in way of bolts (10mm)
Remove starter (2 15mm bolts, then wiring held on by 8mm and 13mm)
Remove plastic flywheel shield (10mm)
Remove 3 flex to torque converter bolts (18mm) you can turn flywheel with screwdriver
At passenger wheel area:
Disconnect VSS sensor on diff cover of trans
Remove trans to engine diff bracket (4 13mm)
Use extenions and deep 18mm socket to remove bolt that goes from engine into trans on the back of the engine.
Support trans from below with trans jack/atv jack etc
Remove 4 (18mm) bolts holding trans to engine from above
Pry trans off engine and lower
When trans is down, remove 1 10mm bolt holding dipstick tube in trans and pull tube out.
Slide trans out
Reverse for install
Tons of pics about axle pulling/balljoint etc and stuff in my photobucket account.
ID: BillBoost37
Psd: Boosted
08-18-2010
Thanks I Appreciate This!
08-18-2010
Does it still drive, you aren't that far from me.
08-18-2010
no i just has a mechanic put the new tranny in from a swap, he put in the broken torque converter and just put the whole car back together. now im out 350$. i was going to attempt this myself tonite.
11-27-2011
Is the pic where the trans is still bolted to the block, is that hole on the right side spose to be empty? Its the last pic that i am asking about?
11-27-2011
this is the pic i am talking about, the hole to the right is empty!
11-27-2011
Yep, no bolt there... I think it has a "dowl pin" there. May have to soak that area with WD-40 once you start prying the two apart... They can be a bugger to get out.Originally Posted by 99GTP
11-28-2011
Yes..that one and the front lower bolt (where the negative cable is connected) is the other dowl.
I've never had a problem getting an engine/trans to seperate. Biggest thing to remember is the trans has no support at the passenger end. Put a jack under it and you'll take all the pressure off the engine/trans pins.
05-28-2013
Bill,
Brilliant! I am working on a 98 Buick Regal and your post was spot on for my application!
Thanks a million Sir.
v/r
Roy
08-18-2010
bill, thats an awesome writeup... should be stickied.
Originally Posted by SuperSport
08-19-2010
How bad is the torque converter? If it's torn up inside it might be spewing junk into the valve body.
On th sticky suggestion, I guess we would mention it to Bio?
08-19-2010
The torque converter has a broken missing weight. so there are only 2 of the 3 on it atm. i havnt even bothered starting the car since the swap. i figure it would be a bad idea. i have a question on holding the engine. i have a 4x4 piece of wood going across the whole engine. do i just need to tie a chain around the engine to the wood to keep the engine from moving? or do i need to lower the engine to unbolt the tranny.
08-19-2010
I put the 4x4 across, run a chain to both engine pull brackets over the 4x4 and then use some 2x4 or small stock to take the slack out of the chain. The trans comes off after the engine/trans is supported by the 4x4 w/o having to lower the motor at all.
08-19-2010
BIOOOOOOOOOOOO sticky bills writeup
Originally Posted by SuperSport
08-20-2010
So the 4x4 i used snapped and the engine almost hit the ground :O. i resupported it with a cumalong. i just took the cradle off the car. what would be my next step?
08-20-2010
Stop listening to me if you snapped a 4x4. I've seen a 2x4 used, always use 4x4's myself and can't imagine how you can snap a 4x4 with less than 1,000lbs of weight on it. Were you supporting the motor or the whole car?
What do you mean, what's your next step? I posted pictures and text saying what should be done to lower a motor and swap a converter. Somehow you already did the impossible.
Was this 4x4 older than you? How in the holy hell did you snap a 4x4 when it's supporting a motor/trans?
08-02-2011
i can't believe i posted this... i was such a newb with the gtp at the time. Im doing lots of reading and research these days, now that i have a modded one lol. i believe it was a 2x4, not a 4x4. the 2x4 flipped over on the weak side and snapped. maybee i was drunk. I have a engine hoist now lol
08-03-2011
LOL, probably 2x4. Did you just buy a modded car?
08-20-2010
4x4 must have been infested with termites.
Originally Posted by SuperSport
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