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1997 Mercury Sable white smoke

Tiny
OLD FORD TECH
  • MEMBER
  • 1997 MERCURY SABLE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 164,280 MILES
White smoke have replaced both head gaskets, heads ok. How do I test for crack lower intake manifold. Number 2 spark plug is white. Runs ok at idle. Not over heating. Thanks
Tuesday, November 18th, 2008 AT 8:34 PM

4 Replies

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Possible catalytic converters full of antifreeze
are you loosing any coolant after the job was done ?

need manual CHECK IT @
https://www.2carpros.com/kpages/auto_repair_manuals.htm
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Tuesday, November 18th, 2008 AT 8:48 PM
Tiny
OLD FORD TECH
  • MEMBER
  • 3 POSTS
Iam not loosing any coolant. Trying to fine out how to test lower intake for leak. Put in new plug in number 2 cylinder still white. Thanks. Old for man
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Wednesday, November 19th, 2008 AT 10:27 AM
Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Pressure the coolant system will revel any leaks in the intake or other areas
If not over heating, heads checked OK
Head gasket new
Do a compression test
White smoke:
Check catalytic converter possible full of coolant from before
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Wednesday, November 19th, 2008 AT 10:36 AM
Tiny
OLD FORD TECH
  • MEMBER
  • 3 POSTS
Thanks to everyone. No more white smoke. Found out there was water in cats. Drove it burned off water. Runs good now. Thanks again
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Tuesday, December 2nd, 2008 AT 8:02 PM

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