 OT - Replacing head gasket on another vehicle, Do I need to replace head bolts? |
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| Carlitos Way |
 Aug 26 2008, 06:58 PM
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I did it MY WAY  Group: Members Posts: 1,337 Joined: 14-September 04 From: Simi Valley, CA Member No.: 2,757 Region Association: Southern California  |
I am reading that the head bolts should be replaced to do a head gasket job. Can anyone explain why this is a recommended procedure?
Thanks, C:> |
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| DBCooper |
Aug 26 2008, 07:10 PM
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14's in the 13's with ATTITUDE Group: Members Posts: 3,079 Joined: 25-August 04 From: Dazed and Confused Member No.: 2,618 Region Association: Northern California |
Depends on the car, but most modern head bolts are designed to stretch when they're torqued to spec. The stretching lets them hold the torque better than a hardened bolt, but means they need to be replaced after each use. It's usually not that big an issue since they aren't (shouldn't be) very expensive and these days not that many cars ever get their heads removed and replaced before they hit the scrapyard.
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