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overheating 99 gu 4.2td

Tech Talk for Nissan owners.

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Posts: 6
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overheating 99 gu 4.2td

Post by matty »

having trouble got new radiator thermostat what else to do???
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Post by Josh n Kat »

I'd say the next step would be give us more info.
Any mod's, spotties, gear on board, when it does it
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Post by ludacris »

Usually if looked after radiators will last 8 to 10 years. Might be time to upgrade.

Cris
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Post by Chambo »

Have a look at your clutch fan. These do not last forever and are well known to fail. Put some cardboard in front of the radiator turn on the air and use the hand throttle for a fast idle. Sit back and wait. You will here if the fan locks up as it will roar quite noticeably. If it doesn't replace it. Just be carefull that you don't cook it.
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Post by Dirty »

Think I just fixed my overheating issues on the 99' GU TD42T.

Seems to have been a fueling issue. Cleaned out the thimble in the injector pump, and fitted a lift pump and temps are now under control.

The injector pump will retard/advance if it has trouble getting fuel, this is what I think was causing me my grief.

- David.
Last edited by Dirty on Mon May 03, 2010 9:05 am, edited 1 time in total.
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Post by chiefdog »

what about the water pump, maybe your top and bottom hoses but you probably checked them when you replaced radiator eh?
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Post by cloughy »

New genuine Nissan viscous clutch fan hub :armsup:
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Post by bbear »

Yep, make sure its a genuine Nissan one.
I stuffed around with 3 aftermarket ones that didnt work properly, before putting a genuine one in with no drama.
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Post by 5inchgq »

The guy who tuned my gq after I fitted a gu turbo told me to refill the viscious hub with toyota silicon?? said it locks up earlier/better or something ........
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Post by rumpig89 »

5inchgq wrote:The guy who tuned my gq after I fitted a gu turbo told me to refill the viscious hub with toyota silicon?? said it locks up earlier/better or something ........
yep this works good.
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