General GM Chat When starting new posts, please specify YEAR, MAKE, MODEL, ENGINE type, and whatever modifications you have made. Chat about all things GM (and related cars). Off-topic stuff should be in the Lounge, and all Model specific mechanical problems should be posted in the proper forum.

Blowing blue smoke when i start up.

Old Sep 24, 2003 | 07:58 PM
  #1  
Mazee's Avatar
Thread Starter
Member
Posts like a V-Tak
 
Joined: Feb 2003
Posts: 62
Likes: 0
From: Ontario,Canada
Mazee is on a distinguished road
Default Blowing blue smoke when i start up.

Heyyyyyyyyy :?:

Listen,I got my oil changed 2 weeks ago and the guy told me the pcv valve needed replacement so I did but the last 2 days when I start up my car at work a big cloud of blue smoke comes out of the exhaust,but only does it for a sec.I checked the oil and I was down 3/4 of a litre and the car hardly burnt any oil before .Could anyone help me out.

Thanks Mazee
Reply
Old Sep 24, 2003 | 08:09 PM
  #2  
J Wikoff's Avatar
Senior Member
Certified Car Nut
 
Joined: Mar 2003
Posts: 12,433
Likes: 2
J Wikoff is on a distinguished road
Default

Did they screw up the PCV? If it doesn't relieve pressure, it can blow oil around the pistons into the combustion chamber.
Reply
Old Sep 24, 2003 | 08:24 PM
  #3  
fuddyduddy121's Avatar
Senior Member
True Car Nut
 
Joined: Sep 2002
Posts: 3,392
Likes: 3
fuddyduddy121 is on a distinguished road
Default

What is the year and trim line of your car?
Reply
Old Sep 24, 2003 | 09:04 PM
  #4  
Mazee's Avatar
Thread Starter
Member
Posts like a V-Tak
 
Joined: Feb 2003
Posts: 62
Likes: 0
From: Ontario,Canada
Mazee is on a distinguished road
Default

Heyyyy
No I changed the pcv but I just put the old one back to see if it changes anything,he said it was gone but it was'nt gummed up ,it was clean and still rattles.My car is a 95 se

Thanks for the quick response.
Mazee
Reply
Old Sep 25, 2003 | 06:57 PM
  #5  
h1081dan's Avatar
Senior Member
Posts like a Corvette
 
Joined: Aug 2003
Posts: 1,205
Likes: 0
From: Elizabethtown Pennsylvania
h1081dan is on a distinguished road
Default

Mine does the same exact thing. How often does yours do it?? Mine does it once every 15 to 20 startups, very seldom, but it does do it.
Reply
Old Sep 25, 2003 | 06:59 PM
  #6  
h1081dan's Avatar
Senior Member
Posts like a Corvette
 
Joined: Aug 2003
Posts: 1,205
Likes: 0
From: Elizabethtown Pennsylvania
h1081dan is on a distinguished road
Default

However mine never seems to use any oil, its always full, does smoke for like 1 half of a second and doesn't return for about 15 start ups.
Reply
Old Sep 28, 2003 | 07:17 PM
  #7  
Mazee's Avatar
Thread Starter
Member
Posts like a V-Tak
 
Joined: Feb 2003
Posts: 62
Likes: 0
From: Ontario,Canada
Mazee is on a distinguished road
Default

Heyyyyyyy

Thanks guys I put the old pcv back and smokes gone........must have been a faulty pcv,

Mazee
Reply
Old Sep 28, 2003 | 08:10 PM
  #8  
h1081dan's Avatar
Senior Member
Posts like a Corvette
 
Joined: Aug 2003
Posts: 1,205
Likes: 0
From: Elizabethtown Pennsylvania
h1081dan is on a distinguished road
Default

maybe I should get a new pvc for mine
Reply
Old Sep 28, 2003 | 08:10 PM
  #9  
h1081dan's Avatar
Senior Member
Posts like a Corvette
 
Joined: Aug 2003
Posts: 1,205
Likes: 0
From: Elizabethtown Pennsylvania
h1081dan is on a distinguished road
Default

pcv I mean
Reply
Old Sep 29, 2003 | 02:59 PM
  #10  
hairbear21's Avatar
Member
Posts like a V-Tak
 
Joined: Jul 2003
Posts: 32
Likes: 0
From: South Dakota
hairbear21 is on a distinguished road
Default

Does it do this after the car has sat for a while, say overnight? If so, it could be your valve seals. They harden over time and leak oil into the combustion chamber. Not all cars will do this, just some.
Reply

Thread Tools
Search this Thread

All times are GMT -4. The time now is 07:21 AM.