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97Dakota
Dodge Dakota
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7/24/2006
02:04:34
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 Subject: wierd knock
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Message:
when i start my truck, i hear a wierd knock, not sure where, and its not too loud, but it kinda makes my truck sound like a diesel, any ideas
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jpkomm
Dodge Dakota
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7/24/2006
07:28:45
| RE: wierd knock
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Message:
Just a thought.. but does it sound like valve chatter or maybe lifter noise? My mother's car started making odd-ball diesel noises. It would especially do it when you left off the gas while driving. I ran some engine flush through it before changing the oil and got out a bunch of sludge. Quieted right down.
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Well...
Dodge Dakota
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7/24/2006
14:19:15
| RE: wierd knock
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Y'know, it's kinda hard to say when you don't tell us what engine you got.
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97Dakota
Dodge Dakota
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7/24/2006
15:23:14
| RE: wierd knock
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Message:
its got a 3.9, its not a bad knock, cant tell if its in the motor or not, it almost sounds like its from under the truck,
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cj
Dodge Dakota
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7/26/2006
03:21:58
| RE: wierd knock
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Message:
Well you said when you start your truck.. is it only on a dry start or
always?? details man details.
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97Dakota
Dodge Dakota
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7/26/2006
15:50:41
| RE: wierd knock
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Message:
okay at first when you start it, its kinda noisey, but after it warms up it quites down, but still there,
just changed the oil and its still the same sound, my water pump needs replaced so i didnt know if it was that maybe, i dont know i just bought the truck, any ideas?
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shatto
Dodge Dakota
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7/28/2006
21:25:15
| RE: wierd knock
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Message:
Might be normal for the 3.9. to have an occasional bearing knock when you first start up.
You may well have 8 to 10 pounds of pressure, once it is idling, even though the gauge lies and says 40 lbs, like mine did for 500,000 miles. I tend to think it isn't serious.
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jpkomm
Dodge Dakota
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7/31/2006
07:35:33
| RE: wierd knock
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Message:
When you changed the oil, did you run any sort of flush through it? If it is sludge build-up, it will not drain itself when you change the oil. It is essentially a jelly-like tar buildup. I don't recall a bad water pump ever making a knocking noise.
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Bryan
Dodge Dakota
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7/31/2006
10:53:17
|  RE: wierd knock
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Message:
Is it a knock or more like a clattering? I had a "harmless" clatter that no one could seem to figure out but wrote it off as a quirk for the 97. Yeah, it was the timing belt that had stretched. It came apart on me at about 85mph on the highway and cratered the whole top end. I would carry it to a couple of garages with good reps and see if they come up with the same answer and then go from there.
FYI My new Jasper motor runs like a champ in my 97 CC 3.9 4x4! But it cost me $2500 to have it replaced... The 97 has a problem with timing chain issues from what I have been told so be careful.
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97Dakota
Dodge Dakota
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7/31/2006
16:07:25
| RE: wierd knock
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Message:
thanks everyone
im getting it looked at right now as we speak, ill keep ya posted
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