1977 Chevrolet Silverado Truck Overheated Now White Smoke Coming Out Tail Pipe

1977 CHEVROLET SILVERADO
100,000 MILES
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ANONYMOUS
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My truck overheated now I have white smoke coming out my tail pipe, it doest want to stay running at lights
unless I put it in nutral and it still says it over heating even though I replaced the thermastat.
Nov 27, 2012 at 7:07 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
check for a a interla leak like a head /intake gasket leak. che rad for cold spots if it has cold spots it need replacing or rebuilding. sound liek a head gasket thoughor mayb cracked head.
Nov 27, 2012 at 7:56 AM
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