Overheating
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Tuned
Joined: Dec 2011
Posts: 313
Likes: 8
From: Wyotana
Overheating
I'm getting a truck back on the road that hasn't ran for 2 years.
Everything appears to be working except that it just overheated on me. The fan is spinning, Waterpump has 30K miles on it, radiator was flow checked 6 months ago. I started it back up after it ran hot in order to check the fan operation. I noticed at idle it collapsed the top radiator hose. I shut it off and am letting it cool before I pop the cap. The overflow tank has about 1/3 in it when it was hot. One of the problems when the truck was down was oil from the cooler was leaking into the coolant. I can't check right now (hot), but on my other "test" drives oil never showed up in the coolant, so I think I got that problem addressed.
Everything appears to be working except that it just overheated on me. The fan is spinning, Waterpump has 30K miles on it, radiator was flow checked 6 months ago. I started it back up after it ran hot in order to check the fan operation. I noticed at idle it collapsed the top radiator hose. I shut it off and am letting it cool before I pop the cap. The overflow tank has about 1/3 in it when it was hot. One of the problems when the truck was down was oil from the cooler was leaking into the coolant. I can't check right now (hot), but on my other "test" drives oil never showed up in the coolant, so I think I got that problem addressed.
Fleet Owner
Joined: Jul 2006
Posts: 20,381
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From: Mi'kma'ki
that or plugged up overflow tank hose or even old hoses.
it's good to replace both upper and lower hoses,along with a new rad cap every 60k miles or so anyway.cheap insurance parts to keep you on the road rather than in the ditch.
rad cap should be 13 lb fyi.
it's good to replace both upper and lower hoses,along with a new rad cap every 60k miles or so anyway.cheap insurance parts to keep you on the road rather than in the ditch.
rad cap should be 13 lb fyi.
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