steeve Posted May 29, 2018 Share Posted May 29, 2018 Since i have my motorhome my temp gage rise in the red line when i climb the hill. On the flat road the temp still over a middle with a/c on. I made a flush with prestone radiator cleaner.My radiator is clean and still overheat a little. I find a 3row all aluminium radiator from radiator express https://www.radiatorexpress.com/product.asp?part=1991+TOYOTA+PICKUP+DLX+-+3.0+liter+V6+RADIATOR+ALL+ALUMINUM+3+ROW%2C+17-3%2F4+TALL+CORE&part_id=222468&aaia_id=1277894. This radiator or csf 2057 copper brass radiator. Anybody have an idea .It's they other people have the same problem with the v6. Quote Link to comment Share on other sites More sharing options...
DanAatTheCape Posted May 30, 2018 Share Posted May 30, 2018 I think I would remove the thermostat first. Run it with out a thermostat- See if it overheats then. Also I would verify how hot it really is - the gauge could be giving erroneous info. With thermostat removed, you can see how much water the water pump is actually pushing == BEFORE the engine warms up, either with the radiator cap off or by removing a radiator hose. The fan / fan clutch . fan shroud are also part of the equation. Even the triangle dirt/ rock shield under the radiator area factors in. Also making sure the radiator/ ac condensor and transmission cooler needs to be clean so air can flow through. my v6 will run warm at high temp/high load/ low speed/ AC on. Any combination of these add heat. Quote Link to comment Share on other sites More sharing options...
steeve Posted May 30, 2018 Author Share Posted May 30, 2018 After head gasket blown, toyota replace my engine. Toyota factory water pump, thermostat radiator cap, flush. 10k milles after, i flush the rad again, same result. At idle no problem. Last summer , i go to est quebec canada 15%grade hill for about 1 mille and the temp gage raise over 3/4. I'm just nervous to broke my engine Quote Link to comment Share on other sites More sharing options...
steeve Posted May 30, 2018 Author Share Posted May 30, 2018 fan clutch has been changed15k mile ago. Quote Link to comment Share on other sites More sharing options...
jjrbus Posted May 30, 2018 Share Posted May 30, 2018 If I did not have steam coming out from under the hood to verify it over heating I personally would want to test the accuracy of the sender and gauge. Assuming that a decades old sender or gauge is functioning properly is not my way! I would at least try a non contact temperature gun to get a general idea of actual temperature increase, before starting to throw parts at it. Or maybe a aftermarket add on temp sender and gauge. Quote Link to comment Share on other sites More sharing options...
Derek up North Posted May 30, 2018 Share Posted May 30, 2018 9 hours ago, steeve said: After head gasket blown, toyota replace my engine. I don't remember you mentioning this before. Could you give some details? Was the work covered by the Special Service Campaign (Recall)? Quote Link to comment Share on other sites More sharing options...
steeve Posted May 30, 2018 Author Share Posted May 30, 2018 2012 engine block with crank and cylinder and egr valve was replace by Toyota . I paid timing belt Water pump, thermostat, radiator cap. Quote Link to comment Share on other sites More sharing options...
linda s Posted May 30, 2018 Share Posted May 30, 2018 How long has it been overheating and did you have any work done just before it started Linda S Quote Link to comment Share on other sites More sharing options...
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