The old Cat seems like I have a thermostat not opening properly. Anybody know any cheapo "fix" to get me back home? A different reason it gets real hot real quick and doesn't cool off? Heat works like a torch so I don't figure the water pump is spinning on the bolt the way they like to occasionally.
Sticky thermostat temporary fix?
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Rubber duck kw, Apr 12, 2023.
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I thank you could just through the thermostat away and get home with those if that is the problem.
Put a pressure gauge in the side of the block. Should have around 30 PSI steady at high speed.If not the pump is bad.‘Olhand Thanks this. -
Oxbow Thanks this.
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Mechanical or E
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Haven’t had problem in years
Was thinking if mechanical could just bypass....Just 2x my 5ek and the clearance isn’t there and hose ports are different
If you can get to it(?) but have to leave it in place....only other thing I can think of...is try and cut 3 top pieces and see if you can pull middle out?BoxCarKidd Thanks this. -
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What makes you think the thermostat is causing your overheating? In most cases thermostats will fail open or open early. Not fail to open at all.
An infrared temp gun at the appropriate place should confirm this.Oxbow Thanks this. -
Goodysnap Thanks this.
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