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SloDak39
Dodge Dakota
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4/12/2002
07:47:42
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 Subject: No gasket?!!??!!
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I seem to have an exaust leak under the hood of my 99 3.9 auto. It makes a fast "pist, pist,pist pist!!" noise when the engine is cold and you can smell raw exaust fumes. I believe it is leaking at one of the exaust manifolds. But i called the dealer to check for gaskets for the manifolds and was told there is no gasket!!! He said "yep, metal on metal". How cheap is that?? I've never heard of that before, no wonder why its leaking! I then loosened and then retorqued the exaust manifold bolts and it still leaks. So if there is no gasket to leak through, then what is wrong?? Is the exaust manifold warped?? Cracked?? Its definetly coming from the exaust manifold, i know that kind of leak when i hear one. Think it might be time for headers!!
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Bill55AZ
Dodge Dakota
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4/12/2002
07:55:24
|  RE: No gasket?!!??!!
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This isn't a new way of doing things, my 74 Dodge Dart 318 was done the same way. If the surfaces are machined to tight enough specs, you don't need a gasket, when NEW. The good news is, it is a small leak without a gasket, so adding a gasket will fix it. I used header gskets, but that was in 1976.
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SloDak39
Dodge Dakota
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4/12/2002
11:28:16
| RE: No gasket?!!??!!
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Well, it must be a dodge way of doing things so i've never seen it before.....always had GMs. So whats up, do you think it warped a bit?? It seemed to start leaking after towing two snowmobiles all the way accross ny state at like 70 mph and out of OD most of the time (@ 3000 rpms for much of the trip). The engine never got hot but could the exaust manifold gotten hot enough to warp or crack??
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5pnt9ltrluv
R/T
4/12/2002
11:33:48
| RE: No gasket?!!??!!
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When was the last time you changed your plugs? What I am saying is that it may not be the exhaust. If you changed your plugs recently, one of them may not have set right. That happened to me in my old S-10. The tune-up place didn't put one of the plugs in right and it started amking the fffit, fffit, fffit noise after a couple hundred miles. I thought it was an exhaust leak too, so did the dealer, but upon closer inspection, the leak was from the spark plug that wasn't seated right....
Kris
2002 Atlantic Blue R/T
Current Mods: True dual Flowmaster 40 Series Original (dumped), MSD 6A Ignition w/ Blaster SS coil and Taylor Spirocore 8mm, 360 Intakez w/ 9" K&N, Flowmetrics 50mm billet throttle body, JBA ceramic headers, Autolite 3923's, 180 degree T-stat, TPS @ .725 v
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SloDak39
Dodge Dakota
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4/12/2002
14:30:55
| RE: No gasket?!!??!!
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Haven't changed plugs since a year ago but i'll check that anyways........but it looks like there is a lot of carbon staining around one of the exaust ports on the drivers side manifold.....shall have to remove it and see if its warped or cracked......
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handi2
GenIII
4/12/2002
21:40:57
| RE: No gasket?!!??!!
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Kris,
I like the way you describe the sound...Just right.
http://photos.yahoo.com/handi254310
2002 Quad Cab SLT Plus 4.7 Every Available Option
Access Tonnoue Cover/Bedrug/360 Air Intakez/Jet Stage 2
180 Robertshaw/Roadmaster Active Suspension
Street Scene Grill Inserts
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5pnt9ltrluv
R/T
4/12/2002
22:41:43
| RE: No gasket?!!??!!
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hehe, just using the old onomonopoeia...hehe
Kris
2002 Atlantic Blue R/T
Current Mods: True dual Flowmaster 40 Series Original (dumped), MSD 6A Ignition w/ Blaster SS coil and Taylor Spirocore 8mm, 360 Intakez w/ 9" K&N, Flowmetrics 50mm billet throttle body, JBA ceramic headers, Autolite 3923's, 180 degree T-stat, TPS @ .725 v
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moparjoe20
Dodge Dakota
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4/13/2002
10:55:21
| RE: No gasket?!!??!!
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On your 3.9 you should be able to use a header gasket on it. I'm not a 3.9 guru but the ones I've seen are just a small block with 2 cyls chopped off. Just get a header gasket for a 318,360 mag motor and chop off the extra port with a pair of scissors and put them on. Check the manifold for cracks while you have it off.
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Clevite 77
Dodge Dakota
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4/13/2002
16:14:39
| RE: No gasket?!!??!!
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Victor Reinz exhaust manifold gasket part # MS12453
OE might not have it but us aftermarket guys do
I beleive NAPA carries Victor Reinz Gaskets
If anybody else needs any part numbers for gaskets, bearings or engine parts let me know and I'll see what I can do
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SloDak39
Dodge Dakota
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4/17/2002
22:43:50
| RE: No gasket?!!??!!
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Clevite 77: IS that part # for a 3.9 or a 318?? I also noted that all the parts stores i called said the exhaust gaskets are only shown up to 1996 models for the 3.9 dakota.....why did they decide to do away with it?? More cost cutting crap??
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drtswinger
Dodge Dakota
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4/18/2002
00:12:56
| RE: No gasket?!!??!!
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a cheaper alternative would be to take the manifolds off and block sand them with about a 180 grit paper. when enough carbon gets on the surfaces, it wont seal right.
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IntenseDak39
*GenIII*
4/18/2002
06:07:04
| RE: No gasket?!!??!!
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cant use 318/360 gaskets... the 3.9 has a different exhaust/intake port configuration. it has one exhaust in the front and two in the back on one side and the opposite on the other side while the 318/360 have two in the middle.
intense
CLICK HERE!
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nmdcommguy
Dodge Dakota
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4/18/2002
11:31:34
| RE: No gasket?!!??!!
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Welcome to modern auto design.
If it's warped it can be machined. If it's cracked it may be able to be welded.
Remove it, inspect it, fix it (with an older gasket if you want). torque it back on to specs.
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Clevite 77
Dodge Dakota
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4/18/2002
14:38:01
| RE: No gasket?!!??!!
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hey SloDak39 it should be for the 3.9L, in fact I just verified that with the Chrysler Gasket specialist. Now this part number is for a Victor Reinz gasket, (99' 3.9L exhaust manifold gasket) it will come in a kit (both left and right sides.
Let me know if this doesn't work out I'll see what I can do
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SloDak39
Dodge Dakota
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4/22/2002
08:22:39
| RE: No gasket?!!??!!
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Thanx, i'll check it out.......i might be getting headers soon anyways, though.....
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