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Author Topic: New head gasket leaking  (Read 1309 times)
yourlocalmp
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« on: 09 November, 2020, 11:48:29 AM »

Just had head gasket letgo..
So stripped  head pressure checked skimmed etc.  New milners  head gasket and bolts
All torqued down to 120 nm in stages 30nm  then 60nmin correct sequence and finally 120.  Run enginr up to temp to allow to settle and then  retorque. But  gasket is leaking oil on  Inlet exhaust sideat front. before engine is up to temp.. Going to re check torque settings with a different torque wrench today just to be sure... Any suggestions?
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Supersnail
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Im always in the poo its only the depth that varie


« Reply #1 on: 10 November, 2020, 21:07:24 PM »

Was the block totally clean? Not usually a good idea but I once eased the bolts off a little and retightend them. It worked but I must stress its generally not a good idea.
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2001 Black\Grey double cab.K&N air filter
yourlocalmp
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« Reply #2 on: 11 November, 2020, 12:22:42 PM »

Block was cleaned and a light  going over with wet and dry...   It would appear the machine shop did not clean all the swarf out of head before reassembly and  as head was placed onto block I think a small piece of swarf fell from a waterway/oilway that it was hiding in and then sat on gasket causing it not to seal.. Either way new gasket and new bolts on way.... Fingers crossed all good this time around..
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Supersnail
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Im always in the poo its only the depth that varie


« Reply #3 on: 13 November, 2020, 22:05:44 PM »

Hope for the best!
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2001 Black\Grey double cab.K&N air filter
yourlocalmp
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« Reply #4 on: 17 November, 2020, 03:24:16 AM »

Well finally got round to refitting the second gasket.  And still a leak on side of block under Inlet manifold..  But then noticed a tiny speck of oil at front of head.  So  on inspection it was leaking from camshaft seal. Going behind  the  silly little cover plate that is just there for a bolt for the  front timing cover. And  then running round the block to them run Down the side of the block under the Inlet (what a  pain In the nether regions) So it would appear the  machine shop  damaged the camshaft seal when  pressure testing skimming etc... Fortunately I'd originally ordered full engine gasket set. So  did the self tapping screw trick removed old seal fitted New one.. All good Finally!!!!
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Supersnail
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Im always in the poo its only the depth that varie


« Reply #5 on: 17 November, 2020, 21:34:03 PM »

Well done buddy, I am in the middle of beating rubbish out of a bottom ball joint to change it for its controle technique (MOT) . All ive got to do then is change steering ball joints, shocks, roll bar bushes etc. What would we do weekends without our trucks.
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2001 Black\Grey double cab.K&N air filter
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