# smoke coming from exhaust **URL:** \ **Category:** Canada Nissan Automotive\ **Created:** [June 12, 2006, 11:02am UTC](https://forums.speedlife.net/t/smoke-coming-from-exhaust/142902 "2006-06-12T11:02:32Z")\ **Posts on this page:** 13\ **Page:** 1
**Author:** ![240DRIFTz](https://avatars.discourse-cdn.com/v4/letter/2/bbe5ce/32.png) [@240DRIFTz](https://forums.speedlife.net/u/240DRIFTz)\ **Post date:** [June 12, 2006, 11:02am UTC](https://forums.speedlife.net/t/smoke-coming-from-exhaust/142902/1 "2006-06-12T11:02:32Z")
when i start up my car (90 240sx) it shoots out a puff of greyish smoke and when the car is cold it has smoke coming out of the exhaust… after it warms up teh smoking goes away…what could this beee? ---
**Author:** ![the.k.w.c](https://avatars.discourse-cdn.com/v4/letter/t/e56c9b/32.png) [@the.k.w.c](https://forums.speedlife.net/u/the.k.w.c)\ **Post date:** [June 12, 2006, 12:30pm UTC](https://forums.speedlife.net/t/smoke-coming-from-exhaust/142902/2 "2006-06-12T12:30:35Z")
oil? ---
**Author:** ![Variable](https://avatars.discourse-cdn.com/v4/letter/v/cab0a1/32.png) [@Variable](https://forums.speedlife.net/u/Variable)\ **Post date:** [June 12, 2006, 1:49pm UTC](https://forums.speedlife.net/t/smoke-coming-from-exhaust/142902/3 "2006-06-12T13:49:32Z")
Valves guides. it likley smokes while engine braking aswell. ---
**Author:** ![beatshack](https://avatars.discourse-cdn.com/v4/letter/b/f0a364/32.png) [@beatshack](https://forums.speedlife.net/u/beatshack)\ **Post date:** [June 12, 2006, 10:19pm UTC](https://forums.speedlife.net/t/smoke-coming-from-exhaust/142902/4 "2006-06-12T22:19:26Z")
^^ Yup. ---
**Author:** ![240DRIFTz](https://avatars.discourse-cdn.com/v4/letter/2/bbe5ce/32.png) [@240DRIFTz](https://forums.speedlife.net/u/240DRIFTz)\ **Post date:** [June 13, 2006, 1:20pm UTC](https://forums.speedlife.net/t/smoke-coming-from-exhaust/142902/5 "2006-06-13T13:20:28Z")
> Valves guides. it likley smokes while engine braking aswell. how do i fix this problem? ---
**Author:** ![Invalid\_Zero](https://avatars.discourse-cdn.com/v4/letter/i/ecae2f/32.png) [@Invalid\_Zero](https://forums.speedlife.net/u/Invalid_Zero)\ **Post date:** [June 13, 2006, 1:52pm UTC](https://forums.speedlife.net/t/smoke-coming-from-exhaust/142902/6 "2006-06-13T13:52:36Z")
Pull the head and replace the valve guides. ---
**Author:** ![beatshack](https://avatars.discourse-cdn.com/v4/letter/b/f0a364/32.png) [@beatshack](https://forums.speedlife.net/u/beatshack)\ **Post date:** [June 13, 2006, 11:57pm UTC](https://forums.speedlife.net/t/smoke-coming-from-exhaust/142902/7 "2006-06-13T23:57:07Z")
lol ---
**Author:** ![Variable](https://avatars.discourse-cdn.com/v4/letter/v/cab0a1/32.png) [@Variable](https://forums.speedlife.net/u/Variable)\ **Post date:** [June 14, 2006, 3:32pm UTC](https://forums.speedlife.net/t/smoke-coming-from-exhaust/142902/8 "2006-06-14T15:32:18Z")
> [@2003specv](#): > > Pull the head and replace the valve guides. Yup. ---
**Author:** ![silvia\_sr20det\_s13](https://avatars.discourse-cdn.com/v4/letter/s/ed655f/32.png) [@silvia\_sr20det\_s13](https://forums.speedlife.net/u/silvia_sr20det_s13)\ **Post date:** [June 14, 2006, 4:10pm UTC](https://forums.speedlife.net/t/smoke-coming-from-exhaust/142902/9 "2006-06-14T16:10:39Z")
dont you mean valve seals sir 😉 ---
**Author:** ![Variable](https://avatars.discourse-cdn.com/v4/letter/v/cab0a1/32.png) [@Variable](https://forums.speedlife.net/u/Variable)\ **Post date:** [June 14, 2006, 6:06pm UTC](https://forums.speedlife.net/t/smoke-coming-from-exhaust/142902/10 "2006-06-14T18:06:47Z")
I would replace both, if nissans have both and they are both replaceable. Eather way your going to end up pulling apart your whole valve train… Its a prefect time for a port and polish / new valvetrain 😃 ---
**Author:** ![Invalid\_Zero](https://avatars.discourse-cdn.com/v4/letter/i/ecae2f/32.png) [@Invalid\_Zero](https://forums.speedlife.net/u/Invalid_Zero)\ **Post date:** [June 14, 2006, 7:11pm UTC](https://forums.speedlife.net/t/smoke-coming-from-exhaust/142902/11 "2006-06-14T19:11:40Z")
> [@silvia\_sr20det\_s13](#): > > dont you mean valve seals sir 😉 Right. 🙂 ---
**Author:** ![240DRIFTz](https://avatars.discourse-cdn.com/v4/letter/2/bbe5ce/32.png) [@240DRIFTz](https://forums.speedlife.net/u/240DRIFTz)\ **Post date:** [June 18, 2006, 3:32pm UTC](https://forums.speedlife.net/t/smoke-coming-from-exhaust/142902/12 "2006-06-18T15:32:26Z")
the valves are impossible to get off! loll i tried and cant get them off i broke a socket wrench trying it ---
**Author:** ![Invalid\_Zero](https://avatars.discourse-cdn.com/v4/letter/i/ecae2f/32.png) [@Invalid\_Zero](https://forums.speedlife.net/u/Invalid_Zero)\ **Post date:** [June 18, 2006, 3:46pm UTC](https://forums.speedlife.net/t/smoke-coming-from-exhaust/142902/13 "2006-06-18T15:46:07Z")
> [@240DRIFTz](#): > > the valves are impossible to get off! loll i tried and cant get them off i broke > a socket wrench trying it LOL