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blacktruck
Dodge Dakota
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10/01/2009
09:31:31
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 Subject: rattleing sound at bogging
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Message:
I just bought a 99 dakota sport auto 3.9 with 31x10.50s reg cab and when you start to go up a hill and the motor bogs slightly it makes a rattling sound kinda like a loose heat guard or thin metal material but i have found nothing loose yet and it possibly may be the valves clinging but not sure, any ideas?
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daddio
Dodge Dakota
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10/01/2009
12:25:30
|  RE: rattleing sound at bogging
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Probably pinging. Could be the belly pan gasket going bad. Try some mid grade or premium fuel.
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blacktruck
Dodge Dakota
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10/02/2009
08:37:02
| RE: rattleing sound at bogging
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Message:
could be im not sure it just does it if it starts too bog a little bit right before it shifts i will try that and see what happens thanx
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daddio
Dodge Dakota
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10/02/2009
08:43:31
| RE: rattleing sound at bogging
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If it is pinging, it will be most noticeable when the engine is under a load.
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blacktruck
Dodge Dakota
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10/02/2009
09:00:02
| RE: rattleing sound at bogging
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yeah true its hard too explain the sound maybe like a piece of heatguard with a chain on it rattling and vibrating lol but if it is what yor talking about how hard is it too fix and how much?
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blacktruck
Dodge Dakota
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10/02/2009
09:54:13
| RE: rattleing sound at bogging
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also this is off topic but what oil should i run in this 3.9? i also have that 5.9 and they both have around the same milage 90k and they get run pretty hard most of the time 4500-5k before shifts yeah its good for it right haha but what do you recomend for a motor like these?
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Bob Lincoln
Dodge Dakota
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10/02/2009
10:12:09
| RE: rattleing sound at bogging
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It's pinging. Use a higher octane gas.
Use a synthetic 5W-30 or 10W-30 oil.
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blacktruck
Dodge Dakota
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10/02/2009
11:04:53
| RE: rattleing sound at bogging
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ok thanx and saw somebody else had the same problem:: slow till it hits bout 2000-2500rpm's then it takes off, i was also thinkin it maybe my injectors thats the problem i have too that all caused by tha same thing
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daddio
Dodge Dakota
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10/02/2009
12:40:07
| RE: rattleing sound at bogging
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On which oil to use, that is totally a matter of personal preference. Follow the manual for recommended weights. Personally, my oil of choice is Valvoline dino. I used to use their 30w Super HPO for my climate(Deep South) in all of my vehicles. Now I use their 10w-30. Both of my vehicles are over 100k and I don't use their Hi-Mileage oil. I have been using Valvoline for over 25 yrs and have never had any complaints with it.
All I can tell you is research, research, research and make an imformed decision on which one YOU want to use.
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