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PostPosted: Sat Jul 10, 2010 7:16 pm 
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Joined: Wed Jul 07, 2010 5:12 pm
Posts: 22
Year and Trim: 2002 SLE
I have a 02 Bonneville with 98k. It started shifting hard after being driven around town.
The more times I shifted through the gears, the rougher the shifts became. :???: I asked
my wife to shift the car into drive while holding down the brake pedal to observe the
engine movement - and holy cow - it moves 2-3 inches. :eek: Time for a front motor
mount change! Here's where it is and what it looks like:

Image

Here is what the new one looks like. Initially, the dealer asked $159.99 for it. I asked him
for a better price, and he ended up selling it to me for $129.99.

Image

Here are the tools I used. The socket size was 11/16 for the 3/4 drive, and 15 mm for the 3/8 drive.

Image

Here is how I positioned my jacks to support the motor. I found out the larger jack on wheels
dropped slightly, but the red one held strong. Slight pressure is all that was needed - just
enough to see the car move up about an inch.

Image

Here is a partial disassembly - after disconnecting the hose and electrical to and
removing the cannister from the mount bracket.

Image

Complete removal of bracket and mount - ready for reassembly. Lock tight was used
on the studs, and I double nutted the old mount in place of buying new nuts.

Image

It took just over an hour, including clean up. Test drove the car and - wow - awesome
smooth shifts. :banana: Even took it up to Minneapolis and ran it around there from
stop light to stop light, and no further troubles. It's cured. Easy fix. Costs more than
using hockey pucks, which I gave some serious thought to - I was concerned I would
get some annoying vibes so I caved and bought OE replacement.


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PostPosted: Sat Jul 10, 2010 7:29 pm 
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Joined: Wed Jul 07, 2010 5:12 pm
Posts: 22
Year and Trim: 2002 SLE
I'd like to move this to a different forum - is this possible?


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PostPosted: Sat Jul 10, 2010 7:35 pm 
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Joined: Tue May 27, 2008 10:30 pm
Posts: 19789
Location: Fairfax, MN
Year and Trim: 2009.1 G8 GT
2005 GXP
First off, welcome!! I see you're from MN, we have quite a few MN members.

Good write-up, I'll be doing the hockey pucks myself soon. :wink:

I believe you meant 1/2 in drive? I have a 3/4 inch drive set, and those don't look that big.

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2009 G8 GT. Panther Black, Red/Onyx interior, Sport/Premium packages. Rotofab CAI, Pypes Axlebacks. 79k Miles
Image
Sold: 2003 SSEi
RIP sandrock


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PostPosted: Sat Jul 10, 2010 9:55 pm 
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Posts like an L36
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Joined: Thu Apr 02, 2009 12:03 pm
Posts: 972
Location: Alberta Canada
Year and Trim: .
1994 Bonneville SSEI
2006 Grand Prix GXP
Looks like the ratchet is 1/2 and the extension is 3/8

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06 Grand Prix GXP Diablosport Trinity , No DOD , Transgo SK , MSD 8.5MM Wires , NGK TR6IX plugs , LED's , Optima RedTop , Projector Retro , 3K Fogs , 20" Led Driving light , K&N CAI w/ Volant oversize air filter , Raybestos Brakes
94 SSEi NGK Plugs , Blue Streak Wires , Pulled Maf screen , Custom Exhaust , Raybestos Brakes , 12" MTX Audio sub and amp , Piaa Plasma Ion Foglight Housings , HIR His' and Lows' , Tinted Tails


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PostPosted: Sat Jul 10, 2010 9:57 pm 
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Joined: Tue May 27, 2008 10:30 pm
Posts: 19789
Location: Fairfax, MN
Year and Trim: 2009.1 G8 GT
2005 GXP
ironoxide wrote:
Here are the tools I used. The socket size was 11/16 for the 3/4 drive, and 15 mm for the 3/8 drive.

That is what I'm referring to.

_________________
2009 G8 GT. Panther Black, Red/Onyx interior, Sport/Premium packages. Rotofab CAI, Pypes Axlebacks. 79k Miles
Image
Sold: 2003 SSEi
RIP sandrock


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PostPosted: Sun Jul 11, 2010 8:25 am 
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SE Member

Joined: Wed Jul 07, 2010 5:12 pm
Posts: 22
Year and Trim: 2002 SLE
It's 1/2 inch drive. I have a Snap - On brand set that has served me well over the years. The rest of my tools are a potpourri of brands, but always seem to get the work done.


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PostPosted: Sun Jul 11, 2010 8:38 am 
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Joined: Wed Jul 07, 2010 5:12 pm
Posts: 22
Year and Trim: 2002 SLE
Just bought the car 3 weeks ago with 98k for $5900.00. It's a one owner trade from New Jersey. I first opened the trunk to make sure Jimmy Hoffa wasn't in there. Very clean. Bought at auction in Shakopee. It was serviced at a Cadillac dealership in a suburb of New York City, close to the Hudson River (Carfax). It was well maintained - no oil leaks. This was the only serious problem to surface. The minor troubles I have are need to replace a few dash lights (no big deal), and solder in some new led's into the radio display, which I'll try and hope for good results. I want the display to work-- If the radio display fix fails, I'll just purchase aftermarket at some future date. Other than that, the car is fantastic and I love driving it.


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PostPosted: Tue Dec 06, 2011 9:03 pm 
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SSEi Member
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Joined: Tue Dec 06, 2011 8:46 pm
Posts: 161
Location: North Carolina
Year and Trim: 2000 Bonneville SE
Hi,
I'm mrwildroot, a newbie to this forum.
Found you because of a defective motor mount on my 2000 Bonnie SE. (57,000 orig miles).
Thanks to this specific post, I'm clear on what to do next.
Needing a 15mm Deep Socket, and I'll have this problem licked.

My questions would be about getting the studs out of the engine block..why and how???

Off to buy a set of deep metric sockets tomorrow morning.

Curious also about Standard 11/16 nuts on Motor Mount, and Metric (15mm) on the Motor Mount Bracket....


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