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Pickups Dodge Dakota Dodge Dakota Owners-Archived Discussions Dodge Dakota: Problems & Solutions 
4362 messages, Last post on Oct 18, 2006 at 9:06 PM
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I have a 1993 dakota with a 3.9(2nd gen engine) I hear valve train clatter almost all the time .since creasting the 100,000 mile mark : (sort of like marbles tapping together ) it runs fine but I would like to know the cause ? .It has 186,000 miles on it would replacing the valve train stop the noise or a specific part maybe ? I changed the timming chain and gears(gen 2 engines don't have slack adjusters)at 141,000 miles no change in sound I run valvoline 10w40 in the summer and 10w30 in the winter with no additives. all suggestions will be greatly appreciated fellow dodge fans ..... |
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| SInce you have an LSD, the normal wearing of the limited-slip clutches will cause the fluid to become darker than you would see in a non-LSD unit. It shouldn't be anything to worry about. | |
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Replying to: breko (Feb 10, 2006 5:49 pm) |
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Replying to: dodgebrat (Jan 19, 2006 8:30 pm) |
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Replying to: sunburn (Feb 10, 2006 4:20 pm) Sorry about the late response. You could have a vapor leak on a vapor pressure line and probably not see a code. Early '03s and down have two vapor lines that run along the left side of the vehicle body and upwards towards the engine left side in the proximity of the steering column. These are rubber hoses that utilize a black plastic coupling. These vapor lines develop cracks along their length the closer they get to the engine. The rubber hoses also split right at the couplers. If you have a model with the Leak Detection Pump, there is a filter with one vapor line going to it. This filter is attached to the battery tray. Check this and the other lines going to the pump as well. In mid-2003 Dodge replaced some of these lines with steel tubing. Best regards, Dusty |
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Dusty, Thanks for the reply. After further investigation, it smells more like pre-converter exhaust. The smell seems to be coming out from the right front wheel well. I'm suspecting an exhaust leak on that side of the engine. There isn't any abnormal exhaust sounds, however. When I take the truck in to have the heater core replaced, I'll have it looked at. |
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Replying to: ranger21 (Feb 03, 2006 12:33 pm) |
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Replying to: bpeebles (Jan 19, 2006 8:31 pm) However the whine has gotten worse. I really think it's the input bearing (in the transmission). The whine shows up past a certain RPM level in every gear (I don't have a tach, so I can't tell exact RPMs). I have the 2.5L inline 4, and I have the 5 speed manual. I have about 82,000 miles on the truck. Have not replaced the clutch yet. Center bearing on rear axle? Not sure what this means. The truck is 2 wheel drive. It has a 10 bolt rear end (fluid is full). I've heard these trannys are difficult if not possible to repair, and that mose rebuilt trannys are junk. With that said, would my best bet be to find a tranny in a junkyard and just swap if one of the bearings IS bad? Any tips given would be greatly appreciated! -Josh
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Replying to: 97_25l_dakota (Feb 28, 2006 6:22 pm) Again, according to the book, the New Venture 1500 is a medium-duty xmission that is ONLY used on the 4cyl 2WD Dak. Judging from the exploded diagrams of the internal-workings of the 2 xmissions, the NV1500 is much whimpier than the NV3500. The case is much smaller and the gears are miniscule. It is not easy to answer your question. Obviously rebuiilding your existing xmission would take your truck off the road for a longer period of time than just popping in a used unit. Also, a used unit may be of questionable integrity. If you trust the rebuilder and can deal with your truck being off the road for awhile, rebuilding is often a better way to go. (most rebuilds also come with warantee)
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Replying to: bpeebles (Feb 28, 2006 8:42 pm) I was talking with a guy a while back that works on (mainly older) Dodge transmissions, and I recall he did make a comment about how bad the transmissions are to repair. I guess another mitigating factor I failed to leave out is that back at ~40,000 miles, my rear transmission seal went out (no big deal, just the seal where the driveshaft comes out), but I did drive it for several thousand miles with the seal out. I know it had fluid in it, just not to the level that it should have been. I appreciate knowing the model number for the transmission, it will help me start looking for rebuilts, etc. I can afford having the truck off the road for a while, but only when the weather gets warmer (motorcycle!). So you don't think it could be the clutch or pressure plate, etc? Thanks, Josh |
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