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Need 98 Grand Prix Technical Specs


bkluby
06-20-2007, 04:09 PM
Can anyone tell me the torque specs for the Rocker bolts and Intake manifold bolts? Also, should I use lock-tite on the Intake bolts, I noticed one was loose before I took it apart.
Great Appreciate your help.

BNaylor
06-21-2007, 01:03 AM
Welcome to AF.

Your post has been moved to the regular part of the Grand Prix forum from Tips & Maintenance.

It would help to post what Grand Prix model and engine you have. The 3800 VIN "K" or 3.1L VIN "M"?

For a SII 3800 engine:

11 ft-lbs for LIM bolts. Yes, use the threadlocker on the bolts but make sure any old is removed first.

UIM bolts = 89 in-lbs.

Rocker arm torque is initially 11 ft-lbs plus an additional 90 degrees.

bkluby
06-21-2007, 09:36 PM
Thanks for the 3800 specs, but I have the 3.1 L. Do you have those specs?

BNaylor
06-22-2007, 12:41 AM
3.1L VIN "M"

Rocker Arm:
14 - 20 ft lbs

LIM Bolts:
4 top bolts to 5 ft lbs
2 side bolts to 5 ft lbs
4 top bolts to 10 ft lbs
2 side bolts to 18 ft lbs

UIM Bolts:
18 ft lbs

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