Forum: 3.1L V6 (LHO/LG8)

Available starting in model year 1989. Also made a Turbo version

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Sticky Thread Sticky: For You 3100/3400 Guys!

Started by blueguy, 10-26-2011
guys
Replies: 2
Views: 11,492
10-26-2011 Go to last post

New Ticking Noise Cold Start

Started by gingerdude, 09-07-2020
noise, piston, slap, start, tick
Replies: 7
Views: 173
09-21-2020 Go to last post
Question Replies: 16
Views: 4,420
07-23-2020 Go to last post
Replies: 8
Views: 2,032
01-01-2020 Go to last post
Replies: 4
Views: 1,039
09-19-2019 Go to last post

Starter Grinding

Started by gingerdude, 01-11-2019
fear, grinding, replace, roll, starter
Replies: 4
Views: 3,866
01-21-2019 Go to last post
Question Replies: 9
Views: 3,842
12-29-2018 Go to last post

3.1 turbo

Started by sdenton8, 09-10-2018
engines, grandprix, mclaren/ste, older, turbo
Replies: 3
Views: 3,658
09-12-2018 Go to last post

mendtite?

Started by bluesfan4life1955, 05-06-2018
blue, brand, devil, mendtite, product
Replies: 0
Views: 3,194
05-06-2018 Go to last post

'03 3.1L overheating constantly

Started by CnmnGrl, 09-27-2017
Replies: 7
Views: 3,593
04-16-2018 Go to last post
Replies: 0
Views: 3,075
11-29-2017 Go to last post
Replies: 2
Views: 3,203
11-17-2017 Go to last post

Overheating problem 96 Grand Prix 3.1l

Started by Pontiacidaho, 09-21-2017
2 Pages
1 2
Replies: 30
Views: 5,903
10-08-2017 Go to last post
Replies: 0
Views: 3,097
09-28-2017 Go to last post

Is the 3100 engine ****?

Started by MattF, 07-19-2016
2 Pages
1 2
Replies: 23
Views: 6,661
09-21-2017 Go to last post

Oil Leak from top of engine

Started by msubully82, 08-23-2017
Replies: 2
Views: 3,192
08-23-2017 Go to last post

Weird jerk when let off gas...

Started by thewuggles, 03-08-2017
Replies: 1
Views: 3,278
07-23-2017 Go to last post

99 GP 3100 engine noise

Started by 99monte, 06-29-2014
Replies: 13
Views: 6,296
07-08-2017 Go to last post

Hard Start When Warm

Started by gingerdude, 12-17-2016
3 Pages
1 2 3
Replies: 44
Views: 8,777
07-04-2017 Go to last post

Growling Air Injection pump

Started by DRAINXGRP, 06-23-2017
air injection pump, growling
Replies: 0
Views: 3,067
06-23-2017 Go to last post

Overheating. Help me diagnose why please.

Started by timothylockhart, 06-01-2017
2 Pages
1 2
Replies: 32
Views: 7,289
06-04-2017 Go to last post

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