Heating Problem
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Senior User
Joined: Oct 2010
Posts: 217
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From: Rineyville, KY
Heating Problem
New to the forum, but not to diesel trucks. Just a little background on this truck; 1999 early build F-250 superduty. I have replaced the thermostat, oil cooler (water in oil), and verified that the blend door works, and flushed the heater core. That being told, I don't have heat at idle, only at 1500 rpm or above. Also the dang thing has to get to operating temp before it will blow warm at all. I am thinking water pump, but before I spend $150 bucks, I would like to get a second opinion, or more. More info that I forgot, even when warm at Idle with the heater hose off the water pump it does not push water out unless you rev it up.
thanks in advance for any information, or advice.
thanks in advance for any information, or advice.
Thread Starter
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Senior User
Joined: Oct 2010
Posts: 217
Likes: 0
From: Rineyville, KY
Not sure about temp, put a 195 thermostat in, and the guage is in the middle of the normal range. I want to get better guages, but short on extra $$$ right now. The reason that I am thinking the wp is bad is that I have changed them before, and seen that most of the fins were ate off.
Thread Starter
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Senior User
Joined: Oct 2010
Posts: 217
Likes: 0
From: Rineyville, KY
Replace water pump earlier today. It seems better , but will still cool off at the vents considerably when at idle, and some times when running down the road. any suggestions??? Would really appreciate the help, as it is starting to get cold here at night and first thing in the morning.
Hook it, I'll pull it.
Joined: May 2007
Posts: 15,037
Likes: 4
From: Grand Lake, La.
Not sure about temp, put a 195 thermostat in, and the guage is in the middle of the normal range. I want to get better guages, but short on extra $$$ right now. The reason that I am thinking the wp is bad is that I have changed them before, and seen that most of the fins were ate off.
