blows blue smoke when cold

GMC
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CMS
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91 chevy s10 blazer ABOUT 129,327 ACTUAL MILAGE it blows blue smoke while cold as soon as i start it up bloes blue smoke for about 5 to 10 sec. then stops doesnt use oil

i heard it was the valve seal but i dont think it could be that if it dont use oil please help me

ASAP
Mar 3, 2006 at 7:59 PM
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MECHANIC116
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Valve seals. 100% You probably change your oil too often to be able to realize any consumption. I guarantee you that it does consume some oil.
Mar 3, 2006 at 8:51 PM
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CMS
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the last time i changed oil was at 127,000 miles and i havent put any oil in it since and it doesnt need any please reply
Mar 3, 2006 at 9:12 PM
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