Torque specs for head

by **holden** » Tue Oct 06, 2009 2:55 pm

Hi all,

Blew head gasket on the MU (4jb1-t) need to know what/how to torque the head bolts to and any other blots to do with the head.

kane

by **geeves** » Tue Oct 06, 2009 5:37 pm

first step 36.2 +-3.6 ft lb then 60 to 75 deg then 60-75 deg again.
If you send me a pm with an email address I can send you an engine manual

by **dasnoboarder** » Tue Oct 06, 2009 5:43 pm

Sad to hear it mate, how did it happen?

by **geeves** » Tue Oct 06, 2009 5:54 pm

also get it crack tested. Very unusual to blow a headgasket on a 4jb1.

by **holden** » Tue Oct 06, 2009 5:55 pm

dasnoboarder wrote:Sad to hear it mate, how did it happen?

Hey,

All the head bolts were losse and water runing out the side of the head and lossing compretion.

by **geeves** » Wed Oct 07, 2009 5:26 am

might be a good idea to replace the head bolts. They might of streched. Or its been replaced before and not torqued properly.

by **holden** » Wed Oct 07, 2009 8:03 am

geeves wrote:might be a good idea to replace the head bolts. They might of streched. Or its been replaced before and not torqued properly.

Yeah it getting planed new gaskets, bolts, valve seals, injectors serviced.

kane

by **mulover** » Wed Oct 07, 2009 12:47 pm

stroked, bored, ported, polished...................

by **holden** » Wed Oct 07, 2009 3:09 pm

Got the head and gaskets home at about 2 and this is where im at.

Full gasket kit.

Old gasket.

See the black spot on the gasket is where the water was running out.

kane

by **holden** » Wed Oct 07, 2009 3:10 pm