Torque setting on gaskets ...

stew laws · Jun 4, 2016

Hi chaps ..

Done a filter and ATF change on a TD5 and refitted a new gasket in the process, despite torque setting on the refit done to spec, it subsequently leaked after a period of 2 -3 weeks ( which I found odd )
Nipped it up a fair bit on each point and all ok, but now over torqued ..
Is it acceptable to overtightenen or should I remove and redo the gasket and reseat.

pete1987RRC · Jun 4, 2016

How accurate is your torque wrench, guess you had it calibrated in the last 6 months?

TBH I am told most non high end industrial units are not that accurate.

stew laws · Jun 4, 2016

Not calibrated for sure ..

jamesmartin · Jun 4, 2016

stew laws said:
Hi chaps ..

Done a filter and ATF change on a TD5 and refitted a new gasket in the process, despite torque setting on the refit done to spec, it subsequently leaked after a period of 2 -3 weeks ( which I found odd )
Nipped it up a fair bit on each point and all ok, but now over torqued ..
Is it acceptable to overtightenen or should I remove and redo the gasket and reseat.

torque setting isnt essential , i rarely use one other than head bolts, the auto box sump fasteners are tight when the block meets the box face

stew laws · Jun 4, 2016

Cheers James ... the answer I was looking for.

brian47 · Jun 4, 2016

According to RAVE, "Oil sump to gearbox housing bolts" [Automatic box] 8Nm (6 lbf.ft).
Since that setting is usually right at the bottom end of most DIY torque wrenches it's not really possible or practical to set accurately. In the absence of an accurate setting Plan B (as shown in James' post above) applies.

Torque setting on gaskets ...

stew laws

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pete1987RRC

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stew laws

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jamesmartin

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stew laws

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brian47

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