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tb42 coolant leak

Tech Talk for Nissan owners.

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Posts: 601
Joined: Mon Nov 15, 2004 6:52 pm
Location: North West Melbourne

tb42 coolant leak

Post by dwaynes »

Guys need some advice discovered a small coolant leak on the TB42 carby where it is leaking from seems to be some sought of coverplate ( i am hoping ) it is drivers side just above the stater on the side of the block held on by 8 bolts ( i think )

have added a picture to help with location i am hoping for a simple pull off put new gasket on and put back on.
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Posts: 176
Joined: Wed Jun 09, 2004 8:43 pm
Location: South Brisbane

Post by shortgq »

Mine has suffered the same thing although it seems like it has 'sealed' itself.... i went to nissan and apparently it is a cover which in the arab versions is the mount for an oil cooler.... they also told me that there should be welsh plugs behind them that stop the leaking.... gaskets are available but i reckon it will be a nightmare to replace..
Posts: 625
Joined: Fri Feb 20, 2004 12:04 am
Location: Melbourne

Post by Woop »

Like the TD42, the TB42 has an oil cooler as standard. Its the large square aluminium block that the oil filter screws onto. The actual oil cooler is located behind this cover. Engine coolant flows around the oil cooler thus cooling the oil. Check where the housing bolts to the engine block. I dont think there is a gasket--uses a small amount of gasket goo. Make sure mating surfaces are clean and smooth.

NIck
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