Question about 1999 Dodge Ram 2500 4WD

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I have a 99 dodge ram 2500... Had it for well over a year now... Once I got the truck all worked well, The heat was amazing but ever since I hit a deer a few months back, The heat doesn't work well at all.. I repleace the thermostat 3 times in one week thinking it may of been a bad one... But it didn't help at all.. I also check the heatercor and thats fine, (Hot hoses on both sides) and I have also listen for anything that sounded like a vaccum sound and still nothing... Now my question is that my gage for my engine temp used to run at 210 and now im lucky if it reads 140ish.... Took the truck to the shop and they hooked it up to the computer... My engine temp reads 185-189 on the system but still only reads 140ish in my truck... Any ideas what else I can be looking for to fix the prob? and also my fan motor only works on the high setting none of the other ones work at all... I'm tired of having no heat lol if anyone could help with this post I'd greatly appreciate it much!

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The blower problem is simply the resistor, located under the dash on the heater plenum. 10 minute fix and relatively cheap. You tube the repair and you'll see how simple it is.
As for the engine temp, was there any damage to the engine serpentine belt train? Wondering if the water pump may have become damaged.
Or check the defroster ducts for debris keeping the outside air blend door open. Usually a pen gets down in there and blocks the door. Could have happened on impact with the deer.

Posted on Dec 16, 2014

Testimonial: "Mark,I'll take a look at that over the weekend. As for any damage to the engine I myself can't seem to fine anything out of the norm. The water pump has been replaced a few months after I got the truck, Would the water pump still leak if it is damaged in any way? I have found a door behind where my glove box is, Just not sure what it does I know it has something to do with heat direction flow. I guess I really wont know for sure unless I take the dash out and take a look under it. Thanks for the info"

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