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jBlaze3000
Dodge Dakota
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10/22/2008
15:07:56
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 Subject: Coolant Leak
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Message:
98 3.9L 4x4 - I just put in a new water pump this weekend and now I have a coolant leak coming from the REAR of the engine(nowhere near the new pump). It is a slow drip almost directly under my oil pan. Any ideas?
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daddio
Dodge Dakota
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10/22/2008
15:45:36
| RE: Coolant Leak
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Message:
could be a freeze plug or one of the heater hoses leaking and dripping on the back of the motor. anytime you fix a leak on a cooling system, if there is another weak point you'll find it quick.
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jBlaze3000
Dodge Dakota
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10/23/2008
14:00:12
| RE: Coolant Leak
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Message:
I checked the heater core last night and the hoses were bone dry. I'm gonna crawl under there this weekend and see if I can pinpoint the exact source of the leak. Has anyone ever changed the freeze plug behind the tranny before? I've heard for about $300 at the shop you can get them all changed. Just want to know if those who have done it themselves thought it was worth it.
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daddio
Dodge Dakota
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10/23/2008
14:06:26
| RE: Coolant Leak
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Message:
i've done some on 2wd vehicles. not too bad. i can imagine a 4x4 would be a little more work with dropping the trans and t-case.
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moparaider06
GenIV
10/23/2008
14:13:26
| RE: Coolant Leak
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Message:
Check the intake.. The intake gaskets were leaking on my 92 3.9.. Easy fix..
Black 2006 Mitsubishi Raider 4.7 DuroCross.. Flowmaster duels.. LineX spray in bedliner.. More mods soon..
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jBlaze3000
Dodge Dakota
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11/05/2008
14:18:09
| RE: Coolant Leak
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Message:
Well, on top of the leak I mentioned earlier, I also started getting a much larger leak from around the front of the engine. It looked like coolant was spraying all over but all the hoses looked good. I ended up putting a 13 lb radiatior cap in (down from 16 lbs) and I haven't seen a drop since. Not sure if lowering the pressure had anything to do with it or if my old cap was just defective.
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modain
GenIII
11/05/2008
16:51:38
|  RE: Coolant Leak
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Message:
I'd lean toward the previous cap not holding the pressure, especially if it was the original one...
What's your left foot doing?
==============
2002 Graphite QC SLT Plus, 4.7L, NV3500, Superchips 3715, 3.92 LSD, R/T rear swaybar, no chrome, loads o'fun...
2001 Patriot Blue Durango SLT, 4.7L, 45RFE, Superchips 3715, 3.55 Open (for now)
1999 Forest Green Dakota RC Sport, 2.5L, NV1500, 3.55 Open
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