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2005 Chevrolet Silverado 2500 HD

 

Question: Exhaust manifold bolts breaking off by themselves

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cpj55, Houston, TX, February 04, 2013, 21:04
 Rookie

My engine has exhaust leak due to the bolt heads breaking off by themselves. Three broken on drive side and one the passenger side. Never had this problem before, owned many chevy trucks, the best was a 92 chevy 1500 V6 4.3L and bolts didn't break off.

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    Greg's Orange Auto (8425 Answers) , Orange, CA - (714) 361-9355
    globalhelper February 05, 2013, 06:26
     Master

    THEY DO BREAK NOW DAYS BECAUSE THEY ARE USING SMALL DIA BOLTS TO SAY ON WEIGHT BELIEVE IT OR NOT. VERY COMMON AND A PAIN IN THE _ _ _.

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    cpj55, February 05, 2013, 07:53
     Rookie

    Whats to say the motor mounts rust apart to, is that be common. I've been buying new chevy trucks since the late seventies, I'm did all my own pairs untill lately due to my age. The best truck I had was a 92 c1500 V6 4.3 L ran over 300,000 miles without cracking open the engine, but the exhaust bolts never rusting off.

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