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It may or may not be the tensioner. Pictures would really help. Is the tensioner that longer than OEM one? If so I've always thought the replacement belts were a bit tight. In fact I won't use them at all. When I changed my tensioner to the SD type I got a Goodyear belt that was a bit longer than most. The Dayton belt I had to use temporarily was quite a bit shorter and was the correct belt according to the parts store and my research at the time. But its unlikely thats your issue. Since this has been going on for so long I say bite the bullet and replace everything including the pulley that the belt runs on. Got to be a fan, clutch and pulley in a wrecking yard somewhere. If you haven't had the truck since new there is no telling what may have happened to it.
pjwoolw: I have no idea the length of the OEM tensioner. Right now I have a dayco tensioner on it with 46k on it. The belt is an OEM motorcraft with 34k. The pump has 5k. The tensioner almost stays still while the engine is running but I have seen new cars where the tensioner is bouncing rapidly tho.
Im leaning toward cheap pump, cause $150 is cheap . When this one goes out, ill put in a GMB pump from napa instead of the tru-cool that I got twice. I really dont want to spend $300 to buy from Ed, but if it comes to that.
I by no means want to tell you what to do but if I kept having problems with water pumps like that 300 bucks (better quality I sure hope)is a lot better than to keep buying cheapos and fighting a problem. I'd bite the bullet and get a new pump from ed and a clutch too. Just my .02. Hope you get it fixed up soon.
Hard to say whats what without being there. Since the OP seems to like changing water pumps without finding the real cause..........
No offense meant.
I thought some background around the tensioner was appropriate.
Thanks pjwoolw, but if i knew what part was bad instead of guessing and hoping i would gladly part out my money to fix the problem.
Why dont i remove the water pump and rad, install a oil cooler inplace of the rad and be oil cooled? that would fix my problem for sure
Hard to say whats what without being there. Since the OP seems to like changing water pumps without finding the real cause..........
No offense meant.
I thought some background around the tensioner was appropriate.
No offense taken . I figured if OP had trouble getting the belt on , he would have said so ...
I got the long arm tensioner. I've only bought one pump.
Well... Did you have trouble getting the belt back on ?....
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