cooling system pressure
Thread Starter
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Fleet Mechanic
Joined: Feb 2004
Posts: 1,379
Likes: 9
From: midwest
cooling system pressure
what should i check if the cooling system doesnt hold any pressure? it is an 89 e250 5.0 and there doesnt appear to be any leaks and i just changed the thermostat and the temp sending unit because the temp gauge says it is overheating
Thread Starter
|
Fleet Mechanic
Joined: Feb 2004
Posts: 1,379
Likes: 9
From: midwest
here is a better summary of what is happening: the gauge when driving is hovering at the end of the normal just before hot, the truck still runs fine, the exhaust is not smoking, the temperture of the coolant in the radiator is about 195 F, new 195 F thermostat, radiator cap, temperature sending unit, and no diagnostic codes. should i change the coolant temperture sensor or do i have another bad temp sending unit? are there any checks i can do on the temp sending unit?
