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weird issue

895 Views 8 Replies 5 Participants Last post by  HRTKD
Today i was driving my 04 Titan 4x4 and sitting at the light I lost heat.
Then I noticed the temp gauge climbed as I took off from the light. Then the temp dropped back to normal and the heat came back. This all happened within one minute.
Normally this is a sign of a head gasket.....
Anyone else have this issue?
Any ideas?
No codes pertaining to this. Tho i have 2 codes PO507 and PO455.
These 2 codes I have had for a long time. The first is a High Idle issue. The other is an EVAP leak which I have the new part for this damn solenoid
for the canister. I see they have an updated version now and hope it fixes it.
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3 years ago replaced the radiator.....cant believe I could have an issue there. But then again could be too.
I flushed it out when I replaced the radiator and thermostat was also new. I only buy high quality parts too.
So I did a little checking on the clutch fan. It spins fine with a little resistance as it should tho it has a little wobble. So i guessing I need a bearing. I am going to get a better look today.
The weird issue showed up again yesterday so I am getting concerned.
I see there is a clutch bearing bracket and clutch fan,so that means it is not bolted to the water pump. I usually replace the water pump just for insurance. I know the clutch fan needs a special wrench but I see one is called for the water that true?
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