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jpconard
Dodge Dakota
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11/01/2007
20:45:18

Subject: Serpentine belt tensioner
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Has anybody ever had any problems with the belt tensioner itself? I have 150,000 miles and I'm debating on whether to change it or just change the idler and tensioner pulleys.

I've regreased the pulleys a few times by popping the seal off the bearing, packing in grease, and then putting it back on. But when colder temperatures in the morning I can hear some noise, so it may be time to at least get the pulleys. The bearings seem fine, but the noise was coming from that side not the power steering pump side.



wylman
Dodge Dakota
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11/02/2007
16:03:50

RE: Serpentine belt tensioner
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I don't know what year Dak you have but, My 2000 4.7 has about 165,000 miles on it and I just had to replace my wholoe serpentine belt tensioner assembly last week. I don't think it is that common of a problem with the Daks though, They had to otrder the whole assembly. they had the pulley assemblies in stock seperately.



jpconard
Dodge Dakota
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11/02/2007
19:40:25

RE: Serpentine belt tensioner
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Yes mine is 2000 4.7 also, I see Oreilly auto parts has what you said, but the whole assembly looks like it is order item, only roughly $60-$65 though.

Why did you have to replace? Did it break?

I've heard stories (on other cars) or breaking and causing damage.

I'm somewhat concerned as I'm planning long trip in a few weeks.



wylman
Dodge Dakota
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11/02/2007
22:42:27

RE: Serpentine belt tensioner
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Didn't break. It just started to get weak and allowed the belt to slip. Especially after it got wet. The belt slipped so bad, it started to smoke!! It was kinda funny. I ordered mine through Advance Auto. It was $53. I would go ahead and replace it for peace of mind. By the way, nice pick on the 4.7!!! I have had mine since 02 and love the dog snot out of it!! Anytime you want upgrades.....one shop.....KRCperformance!!!!!!!!



harvey
Dodge Dakota
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6/18/2009
12:12:25

RE: Serpentine belt tensioner
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i want to change the tensioner on my 2002 dodge 1500 4.7 l is it a big job or can a back yard mech do it if i take off the bolt that holds it on will it come flying off at me?



harv



Wylman
Dodge Dakota
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6/18/2009
13:43:50

RE: Serpentine belt tensioner
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No big deal. Anyone with even an inkling of mechanical knowledge should be able to change out the belt tensioner. Take the belt off, pull the center bolt and it comes off as a unit. No worries about it popping off and whacking you or anything. you should be able to do the whole job in under 20 minutes.......that's while drinking a beer, of course!!



PAUL HENIGIN
Dodge Dakota
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6/23/2010
21:27:20

RE: Serpentine belt tensioner
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Oil change guy sez I need to replace serpentine belt
on my 02 Dakota 4.7L V8 with 203k miles. Are there
any tricks I should know before I start? The
diagram shows the middle lower left pulley as the
starting place. Is this the tensioner? Do I just
unbolt the tensioner and slip off the belt and
install the new belt?
Thanks
paul



wylman
Dodge Dakota
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6/24/2010
08:06:29

RE: Serpentine belt tensioner
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FIRST....... put a wrench on the bolt in the face of the pulley and slip your belt off. Then remove the whole tensioner assembly. It is a pretty straight forward cut and dry process. It took me about 15 minutes to complete the whole process, no big deal. It is basically a clock spring mechanism that keeps tension on the serpentine belt.



Booger
Dodge Dakota
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9/12/2010
21:35:12

RE: Serpentine belt & tensioner
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Greetings, have slight crack on 2001 dakota pulley tensioner, will replace. always have trouble replacing belt. new dayco poly rib doesn't seem to quite fit, checked, correct belt any suggestions? Good Site. Booger



Jordan
Dodge Dakota
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3/06/2011
21:20:13

RE: Serpentine belt tensioner
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Can anyone help? I have a 99 Dodge Dakota 5.9. I recently started hearing it squeal when i started it so I asked a mechanic friend and he said to use some belt conditioner and that should solve the problem. I did that and the following day I started it and it was louder and didn't stop. Before it would stop after the truck warmed up but not now. The belt seems pretty tight. Do I need to loosen the belt to stop the squealing? If so, how do I loosen the belt? It is a new belt so I know it's not that I need a new one. Its a bad loud squealing so it makes me a bit nervous to drive it because if it comes off I will be stranded as we all know. Any help would be appreciated. Thanks!



Mudslinger896
Dodge Dakota
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3/11/2011
09:42:17

RE: Serpentine belt tensioner
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When changing the belt it won't fly at u unless the trucks
running :p just a bit of humor to start things off...

Ok the tensioner if similar to others is one nut on the back
side of the bracket the tensioners bolted to.

If your having trouble replacing the belt make sure your
looping correctly and try to leave a smooth surface for last.
Also if still having a lot of trouble... get a longer wrench :)
the tensioners have a good amount of travel, the longer
your leverage the easier it is to move them farther

The squeeling on the 5.9 could be the belt but if its tight its
not likely, take the belt off and spin all the pullies by hands,
see if you feel any resistance in the bearings. Could be one
going bad making the noise. Also check your power steering
fluid if u haven't done so already.

Hope



Jordan
Dodge Dakota
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3/14/2011
19:27:16

RE: Serpentine belt tensioner
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Well I checked the power steering fluid and it's full. Also, I changed the tensioner and bought a new belt even though the one that was on there was only a couple months old. I don't know if this could be the problem or not but since i put a new tensioner on there the squealing isn't AS bad but it's still pretty bad, but i noticed it doesn't squeal so bad when i'm at a stop. When i speed up the oil pressure goes from 40 to around 80 and the squealing gets louder. I really hope this isn't the case but could the crank pulley be bad? I know it's alot of trial and error but from what i could tell everything else is doing as it should. The only thing that's acting different is the oil pressure. I checked the oil and it's low but not dangerously low. Its coming due for an oil change so i assume thats why it's a little low.



daddio
Dodge Dakota
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3/14/2011
20:48:34

RE: Serpentine belt tensioner
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Did you check the idler pulley also? Did you check any of the other pulleys for wobble or misalignment? Take the belt off and spin all of the pulleys to make sure that they are not causing the problem.

Oh and a true mechanic friend would not have recommended belt dressing. Using that stuff just masks the true problems.



FRANK
Dodge Dakota
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7/10/2011
21:35:30

RE: Serpentine belt tensioner
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So I got a similar problem with my 2002 Dakota 5.9 v8. I recently Changed the tensioner pulley, idler pulley, alternator, water pump, and belt this last couple weeks and The belt only still squeals when I apply the gas to the motor not when its just idling there is no aqueal at all. I dont know what else it could be any other suggestions



Curly
Dodge Dakota
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7/11/2011
09:03:36

RE: Serpentine belt tensioner
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If you only changed the tensioner pulley you went
the wrong route. The entire tensioner assembly
(including arm) should have been changed.



Jordan
Dodge Dakota
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7/14/2011
12:11:11

RE: Serpentine belt tensioner
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Yes i changed it all completely. It's still squealing a bit. I think it is one of the other pulleys. It seems the pulley that is connected to the fan is wobbly so i'm wondering if that is the problem



daddio
Dodge Dakota
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7/14/2011
13:25:01

RE: Serpentine belt tensioner
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"It seems the pulley that is connected to the fan is wobbly so i'm wondering if that is the problem."

That is proably it. If that pulley is wobbling you better look like replacing the waterpump. That's is how I noticed mine going out. I caught it before it starting leaking coolant. If you don't replace it soon you may just find the fan meeting the radiator. Not good.




Curly
Dodge Dakota
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7/14/2011
22:19:17

RE: Serpentine belt tensioner
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For sure, The bearings are shot in the water pump,
Get it changed before it does more damage.
(total loss of coolant = seize motor.or Fan through
the radiator)



petunia
Dodge Dakota
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2/21/2012
18:05:15

RE: Serpentine belt tensioner
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How do I know if the tensioner is providing enough tension? Does anyone know a spec or how to measure that?
2000 AWD Dakota 5.9L
Everything in front of the block was replaced 2 years ago. I've always suspected the water pump too.



BONGBALLS
Dodge Dakota
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2/22/2012
16:49:54

RE: Serpentine belt tensioner
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HEY CURLY YOUR A BONG BOY. HEARD YOUR RAMMED UR DAKOTA DOWN A MINE SHAFT HOWD THAT WORK OUT. DID YOU FLY THROUGH EARTH TO CHINA?



Cadillaccarr
Dodge Dakota
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1/05/2014
14:30:07

RE: Serpentine belt tensioner
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My tensioner pulley doesn't line up with all other pulleys. What is it that goes bad with the tensioner?



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