1998 Chevrolet Lumina intake manifold

1998 CHEVROLET LUMINA
248,000 MILES
Avatar
JEEPSTER94
  • MEMBER
  • 7 POSTS
I have a 1998 chevy lumina and I am replacing the intake manifold gasket due to leakage. i no longer have manuals for the car. I need to know what are the torque specificatons and bolt patterns are for the intake manifold on a 1998 chevy lumina? please help
Sep 21, 2013 at 2:40 PM
Advertisement
Avatar
JEEPSTER94
  • MEMBER
  • 7 POSTS
it is also a 3.8l
Sep 21, 2013 at 2:47 PM
Avatar
HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
Tighten the vertical lower intake manifold bolts (the four middle ones) to 7 N.m (62 lb in). Tighten the diagonal lower intake manifold bolts (two on each end) to 7 N.m (62 lb in). Tighten the vertical lower intake manifold bolts (the four middle ones) to 13 N.m (115 lb in). Tighten the diagonal lower intake manifold bolts (two on each end) to 25 N.m (18 lb ft). Upper intake 18 ft.lobs.
Image (Click to enlarge)
Attached Media
Sep 21, 2013 at 11:04 PM
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Ask a new question

Frequently Asked Problems for This Vehicle