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Milam_11

2002 Dodge Transmission issues

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Mopar1973Man    3,801
Mopar1973Man

Well you should not run a tuner against a hotrod pump. Edge will over advance the pump being its already advanced timing in the pump. The Quadzilla you can work with the timing and set it where you like it to run.

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Milam_11    2
Milam_11

No tuner on it at all right now, trying to figure out this transmission issue or whatever it is. 

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jlbayes    290
jlbayes

How about figuring out what gearing it has........

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SilverMoose    27
SilverMoose

Jack up rear end and turn driveshaft. Count how many turns for 1 complete revolution of tire. Instant gear ratio confirmation.

 

L8tr

D

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Mopar1973Man    3,801
Mopar1973Man
1 minute ago, SilverMoose said:

Jack up rear end and turn driveshaft. Count how many turns for 1 complete revolution of tire. Instant gear ratio confirmation.

 

L8tr

D

 

Just remember to mark the tire with a tire crayon and the driveshaft so you can make a good count.

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SilverMoose    27
SilverMoose

:iagree: yeah what he said.

 

L8tr

D

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Haggar    127
Haggar

Change the fluid in the rear differential.  No one else did it, they were too busy poking exhausts in the hood and bed and such. :ahhh:    (being funny  truck looks good and looks fun!)

 

While you are letting the fluid drain, use a chalk marker and count the teeth on the pinion gear and on the ring gear.  Divide the teeth in the ring gear buy the number of teeth in the pinion.  There is your exact final drive ratio.   (I think that it should be 41 on ring gear and 10 on pinion  For the "4.10" on the dana 80.)  You can also see if there is a positive traction in the rear too and check the condition of everything. 

 

Good luck hope that helps.

 

Hag

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jlbayes    290
jlbayes

If the cover is off there is no reason to count the teeth. The ratio will be on the ring gear lol

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Dynamic    273
Dynamic

Are you getting 3 distinct upshifts, and then TC lockup on top of that?

 

If there was something wrong with the OD brake clutch, the PCM could be commanding a 3-4 upshift, but an actual upshift may not be occurring. You could be confusing the converter locking in 3rd gear (even though 4th had been commanded) for a 3-4 upshift.

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