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PostPosted: Sun Mar 03, 2019 10:01 pm 
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Year and Trim: 2003 Pontiac Bonneville SSEI
I know the sub-frame is held on by 6 bolts & bushings...I know the cradle is NOT rusted out. Does anyone have a part number for a replacement bushing kit for them...If I'm going to replace them I might as well do them all. Any Help greatly appreciated

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2003 Pontiac Bonneville SSEI
3.8L V6 SC, 180*T (Drilled),
GXP Tails, Interior Door handles, Trim pieces etc.
40th Aniv Grand Prix GTP Wheels (Very Shiny & Very Annoying :pukeleft: )
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PostPosted: Mon Mar 04, 2019 11:11 am 
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Use the Dormans, all 6 are the same. I did mine in November. What a difference! Replace the rear motor mount while you're in there.

Subframe bushings:
Dorman 924-044

Motor Mount:
ACDelco 25723646

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"Penelope" - 2003 SLE - 187k Miles
"Sydney" - 2000 Honda S2000 - 61k miles
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PostPosted: Mon Mar 04, 2019 8:23 pm 
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Year and Trim: 2003 Pontiac Bonneville SSEI
Alrighty, thanks...also didn't look into it too hard...are they press fit or just bolt in?

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2003 Pontiac Bonneville SSEI
3.8L V6 SC, 180*T (Drilled),
GXP Tails, Interior Door handles, Trim pieces etc.
40th Aniv Grand Prix GTP Wheels (Very Shiny & Very Annoying :pukeleft: )
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PostPosted: Tue Mar 05, 2019 4:13 pm 
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You're almost certainly going to have to get the subframe entirely out of the car and bang those suckers out. 4 of my 6 were seized into the subframe and had to be banged out from the top.

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"Penelope" - 2003 SLE - 187k Miles
"Sydney" - 2000 Honda S2000 - 61k miles
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PostPosted: Tue Mar 05, 2019 10:38 pm 
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Year and Trim: 2003 Pontiac Bonneville SSEI
ugh, not what I was hoping for....thankyou for the information.

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2003 Pontiac Bonneville SSEI
3.8L V6 SC, 180*T (Drilled),
GXP Tails, Interior Door handles, Trim pieces etc.
40th Aniv Grand Prix GTP Wheels (Very Shiny & Very Annoying :pukeleft: )
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PostPosted: Wed Mar 06, 2019 10:22 am 
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As long as everything comes loose, this job looks a lot more intimidating than it really is. My driven-in-the-salt car had all the bolts come loose with some patience.

I did it at a friend's shop with his help, but if I had to do it again I can probably do it on some ramps in my garage, as long as I have one or two people to help with lifting the subframe carefully out and in. It doesn't weigh all that much, I held it over my head, but it is cumbersome given its size.

If you plan on keeping the car for a while, this is a great time to do things like control arm bushings, sway bar bracket and end link bushings, maybe even the steering rack and/or tie rod ends, etc.

You'll have almost all of that stuff loose and ready to go. I wish I would have done it that way originally instead of piece by piece.

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"Penelope" - 2003 SLE - 187k Miles
"Sydney" - 2000 Honda S2000 - 61k miles
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PostPosted: Wed Mar 06, 2019 1:06 pm 
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Year and Trim: 01 SSEI (black)
00 SSEI (green)
I did this job in the driveway with jackstands. It was only a couple hour project.

The main things that I can think if you you need to disconnect from the subframe:
ABS
Brake line, trans line and power steering line brackets
lower control arm bolts (do this at the subframe, not the ball joint)
steering rack (leave the tie rod ends connected to the knuckle, leave it all up there)
front trans mount (def replace this while you have the subframe out)

As long as you have air tools and a jack, you can do this job.


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PostPosted: Fri Mar 08, 2019 6:40 pm 
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Year and Trim: 2003 Pontiac Bonneville SSEI
Thanks guys, I have access to a full shop and all the tools, I just wasn't really wanting to take it out...that said, I agree I will do everything while I have it out....thanks for the tips...If I can I will post progress pics when i get it in the shop.

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2003 Pontiac Bonneville SSEI
3.8L V6 SC, 180*T (Drilled),
GXP Tails, Interior Door handles, Trim pieces etc.
40th Aniv Grand Prix GTP Wheels (Very Shiny & Very Annoying :pukeleft: )
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PostPosted: Fri Mar 08, 2019 7:13 pm 
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Just so you have an idea as to the difficulty level, I took a whole day off of work to do this job.

It ended up taking just under 3 hours start to finish. Including getting lunch and needing to get sway bar end links, since I broke mine! Haha

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"Penelope" - 2003 SLE - 187k Miles
"Sydney" - 2000 Honda S2000 - 61k miles
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PostPosted: Sun Mar 10, 2019 3:40 am 
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Year and Trim: 2003 Pontiac Bonneville SSEI
Thanks NOS, lol at the broken end link...I just replaced mine with poly upgrades due to one side being broken and missing.

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2003 Pontiac Bonneville SSEI
3.8L V6 SC, 180*T (Drilled),
GXP Tails, Interior Door handles, Trim pieces etc.
40th Aniv Grand Prix GTP Wheels (Very Shiny & Very Annoying :pukeleft: )
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PostPosted: Tue Mar 19, 2019 11:12 pm 
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Year and Trim: 2003 Pontiac Bonneville SSEI
Finally got them ordered, all 6 should be here by friday along with new lower control arms.

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2003 Pontiac Bonneville SSEI
3.8L V6 SC, 180*T (Drilled),
GXP Tails, Interior Door handles, Trim pieces etc.
40th Aniv Grand Prix GTP Wheels (Very Shiny & Very Annoying :pukeleft: )
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PostPosted: Sun Mar 24, 2019 9:57 pm 
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Year and Trim: 2003 Pontiac Bonneville SSEI
UPDATE:
Got the Control arms replaced...easy peasy, got the back 4 subframe bushings replaced (didn't have time to do the front two).

NOTES: Did NOT remove subframe, took back 4 subframe bolts out, took rack & pinion bolts out. took trans mount bolts and nut out. supported frame with jack, loosened front bushings, lowered subframe down via the jack until there was about 10" or so of clearance. used air hammer to zip the old bushings out (worked wonders, don't think any of them took longer than a minute to get out). Used ball joint tool to press the new bushings up into the subframe (this was by far the best/easiest method. The guy helping do the other side was just using a c-clamp and that did work but was no where near as easy). applied petroleum jelly to the bushings before pressing them up in since the metal is rubber coated. also used some on the top metal pieces so they would slip into the new bushing. will update again after we tackle the front two.

_________________
2003 Pontiac Bonneville SSEI
3.8L V6 SC, 180*T (Drilled),
GXP Tails, Interior Door handles, Trim pieces etc.
40th Aniv Grand Prix GTP Wheels (Very Shiny & Very Annoying :pukeleft: )
Image


Top
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