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hot hilux

Tech Talk for Cruiser owners.

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Posts: 114
Joined: Wed Oct 12, 2005 7:34 pm

hot hilux

Post by pilot »

hilux keeps getting hot when the air con is turned on and the engine starts to work eg. goin up a hill.any1 tell me wats causing this or wat it may b????its a 2.8 96 model.thanks
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Post by TOPLUX »

radiator is cactus, check coolent
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Post by spazbot »

hows ur fan look and is the coupling in good condition ???
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Post by Dane »

Low coolant level.
Blocked radiator (internal or external).
Blocked air con condenser fins.
Shagged water pump, the impeller blades can corrode.
Kinked hose.
Stuck thermostat.
Thoroughly check entire cooling system, flush and when fault has been repaired fill with water and additive.
Fan is only used at low speed, but should be in good condition as mentioned.
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Post by sierrajim »

and do you still have the fan shroud attached?
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Post by Yumsylux »

I just fixed the same problem on my 2.8D this monday! It only ever happened when it was under a fair bit of load/stress. (towing boat, and a/c on the highway up a hill). I replaced the fan, thermostat twice, fan belts, hoses, and it was still heating up. I was about to get into the water pump when it turned out the radiator had a blockage. Run your hand along the back of the radiator when the motor is warm and check for some inconsistant cool spots. Turns out I had a little blockage in the radiator and a tiny crack at the top corners under the top tank. Pulled out the radiator and got it re-cored. Took about two hours and $100. Has run fine all week towing the boat along the highway at 110ks. If your car doesn't get hot under normal conditions it can only be your radiator or thermostat. These things playing up will only really show itself under stress.
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Post by pilot »

thanks alot, ive replaced thermostat and all the hoses and i have cracked my radiator once before about 2 yr ago and then had it re cored and fixed so i'll pull it out and have a good look at it.thanks for the help
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