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Ryan
Dodge Dakota
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6/29/2005
22:28:39
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 Subject: Oil Pressure Fluctuating!?!?
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I have been having a lot of problems with my engine overheating. I think that I have finally got it solved but now my oil pressure fluctuates. The needle goes from just left of center when I am stopped to about the 3/4 position when I get up and going. Is this normal. What could be causing this??
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Alec
Dodge Dakota
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6/30/2005
00:25:43
|  RE: Oil Pressure Fluctuating!?!?
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Message:
Mine does the same thing when my Coolant is extremely low. I have a leak and i have to replace my coolant every 3 weeks, so ive gotten low a lot and notice that it gets wild. Check out your coolant, and let me know if thats what it was....
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fseventy.net
Dodge Dakota
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7/02/2005
14:40:48
| RE: Oil Pressure Fluctuating!?!?
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If you have more than 100K on the engine, I would pull the pan and check for sludge in the sump and a clogged screen on the intake tube. Just pulled then pan on my 160K mile 3.9 and was surprised to see so much sludge/chunks in the sump and a partially clogged screen. Cleaned it all up and gained 5-8 psi at idle and 10 at speed.
If you'r gonna pull the pan, get an engine hoist. I tried it without the hoist and could not get the pan out simply by jacing up the trans.
It's a PITA, but so is buying a new/rebuild engine.
You may want to replace the pump and pickup while you have it cracked open. Pump should be less than $30 and same for the pickup.
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Trevor
Dodge Dakota
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7/02/2005
22:29:28
| RE: Oil Pressure Fluctuating!?!?
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Message:
The motor should always make more oil pressure at higher rpm's.(you're pump is turning faster) I would be more worried if you had no oil pressure. Mine does the same thing.
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MattNC
Dodge Dakota
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7/04/2005
00:26:31
| RE: Oil Pressure Fluctuating!?!?
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You will get a higher pressure when you are driving than at an idle. Brand new vehicles will do the same thing. I have heard that using a synthetic oil will help the oil pressure stay more constant. I use them and I still get some fluctuation, but not a whole lot. As long as you are within the good range, you should be fine. Check your oil level though, just to be same.
Matt
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schmidtmike
Dodge Dakota
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7/09/2005
13:36:08
| RE: Oil Pressure Fluctuating!?!?
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Replace your oil pressure sending unit next to the distributor (odds are it's leaking), then the fluctuations should return to a steady rise from idle.
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shdow
Dodge Dakota
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7/09/2005
17:57:15
| RE: Oil Pressure Fluctuating!?!?
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can the oil pan be removed from a 1998 v6 without motor mounts being unbolted to raise for clearance
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check
Dodge Dakota
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7/10/2005
09:15:43
| RE: Oil Pressure Fluctuating!?!?
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your Haynes or Chilton repair manual. you shouldn't attempt to work on these trucks without one. only 20 bucks. good investment.
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fseventy
Dodge Dakota
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7/17/2005
01:11:44
| RE: Oil Pressure Fluctuating!?!?
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You cannot remove the oil pan on a V6 without disconnecting the engine mounts. If you'r not mechanically inclined, I would get a manual so that you have a good list of what to loosten or remove when removing the oil pan.
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shdow
Dodge Dakota
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7/19/2005
03:13:47
| RE: Oil Pressure Fluctuating!?!?
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anyone have a pdf service manual of the dakota line all I have is pdf service manuals for ram 2001-2003
still can't trace that vacuum line from the pcv off the intake manifold causing stalling when running a/c
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