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rpmdiag, Tech and Instructor
Category: Australia Car
Satisfied Customers: 7721
Experience:  Since 1975
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My Nissan 3.0 l 4x4 Hardbody temp. increases when towing. It

Customer Question

My Nissan 3.0 l 4x4 Hardbody temp. increases when towing. It gets worse on uphills. It,s got a new radiator and thermostat.
JA: Has the vehicle overheated in the past? And what about servicing? Is it up-to-date on oil changes?
Customer: No. Up to date on servicing.
JA: What year is your Hardbody?
Customer: 2008
JA: Are you fixing your Hardbody yourself? What have you tried so far?
Customer: No, but nobody seems to get it right
JA: Anything else you want the mechanic to know before I connect you?
Customer: no
Submitted: 8 months ago.
Category: Australia Car
Expert:  rpmdiag replied 8 months ago.

Hi, I'm Ron and I will be helping you today.
Stand by for a moment while I prepare your answer.

Expert:  rpmdiag replied 8 months ago.

The water pump may have deteriorated fins not allowing the coolant to flow fast enough. Also check for any blockage in the engine block.

Also make sure the fan operation is correct.

Thanks, Ron

Expert:  rpmdiag replied 8 months ago.

If you are satisfied with my answer, I would greatly appreciate a 5
star rating now and I will still assist you after you have rated me
too if another question pops up. I don’t get credit for helping you
until you rate me.
Thanks again, Ron