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White smoke from tail pipe

Tiny
MARTYMATTY
  • MEMBER
  • 1998 CHEVROLET VENTURE
  • 190,000 MILES
Hello lets begin had white smoke from tail pipe. This is a chevy ventyre 1998. Chage upper and lower intake gaskets. Checked cylinder pressure, was good. Than started engine for a sec or two seem to run fine. But alas after adding antifreeze, and started it again?

What did I do wrong?

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Monday, December 12th, 2011 AT 2:55 AM

5 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,758 POSTS
Did you check for a head gasket leak?
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Monday, December 12th, 2011 AT 3:02 AM
Tiny
MARTYMATTY
  • MEMBER
  • 4 POSTS
No just the cyclinders they run 90 to 120 all six. I was tring not to remove exhuast maniflods
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Monday, December 12th, 2011 AT 3:19 AM
Tiny
MARTYMATTY
  • MEMBER
  • 4 POSTS
And no water on dip stick, untill change intake gasket
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Monday, December 12th, 2011 AT 3:23 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,758 POSTS
90psi is low for a cylinder and you have a 25% difference between the highest and lowest. I think the 90 psi cylinders may have the problem.
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Monday, December 12th, 2011 AT 5:01 AM
Tiny
MARTYMATTY
  • MEMBER
  • 4 POSTS
I check the cylinders twice. The frist time one or two were 90 plus. The second time they jump to 120 and above to 150. I have them wrode down some, will try to find them. Thank you
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Tuesday, December 13th, 2011 AT 2:08 AM

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