cylinder head bolts

oj · Mar 29, 2010

Just wanted some thoughts, tomorrows job is to pull the cylinder heads off my Massey ('93 model 3670) as i think i have a head gasket on it's way out, at least i hope its that and not a liner cracked, i don't have a shop manual for it, and the new gasket kit gives the torque values and sequence, so that"s ok, BUT do i need to put new bolts in the cylinder head? I'm half tempted to just so nothing goes wrong in case they've stretched, just wanted some thoughts... i'm no expert in this subject. Thanks, oj in Manitoba

buickanddeere · Mar 29, 2010

Fasteners are ruined with heat, corrosion,age, vibration and over torquing. The old bolts have seen enough of those factors to make new fasteners the logical choice.
There so many people willing to try yet another head gasket but not a new set of studs or bolts???
The block threads of course should be cleaned with a bottoming tap. And hardened flat washers used on the head to prevent galling.

cylinder head bolts

oj

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buickanddeere

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