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Comments
Jay
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Larry.jacobsjr@gmail.com
all o rings look good ....... code was p2706 shift sylonoid ...thanks
OBD #0736 =reverse incorrect ratio....anyone have any ideas, the dodge dealer wants $1200 to drop it and pull apart and inspect, they were more interrested in selling me a rebuilt for $3500.
I have a 99 Dakota 5.2l and am having shifting problems I have replaced all the obvious sensors to no avail other then all my codes have cleared. What it is doing is hard to explain basically it will not shift into overdrive and when you try and drive it it shifts but slowly and only if you do not press on the gas pedal more then a quarter and if you do put it to the floor its like it goes into neutral and over revs help and ideas please because I really like the truck and am at wits end.
Called dealership, they were no help. Wondered if anyone else has had this problem and what I should check. Not sure what I am looking for in the steering column. How do you take it apart and where on the column should I look. Read some reviews mentioning a relay on the brake lever, or button, or to lube with lithium grease?????
I went to erevy thing in the book, replace this an that. I mean every thing. Turn out to be the catalytic converter. had fail. Man i spent on tranny repair a lot of money. Turn out to be a very enexpensive thing
Have just changed the tranny fluid, had the pan cleaned right out and fresh fluid put in. Seems just slightly better but it still clunks under moderate accelleration. Any suggestions from anyone?
Thanks in advance!
next does your truck have tilt steering or airbag very possible you have a broken wire or bad clockspring in steering column. you need to find what wires come from the switch and check to see if there is an open, broken wire or bad clockspring
Don't know what to do.
Had my friend at dodge drop pan and he found a broken spring actuator for 1st gear. It was very hard to see spring broken but it was. those springs . Replaced and all was fine.
Bad TPS sensor happened right after that. Noticed no clunking on shifting but noticed tach racing up and down with a steady pressure on throttle at about 40mph. Replaced that and all is fine.
My friend took it in an had it back the same day. He is a dodge mechanic and said that those springs have been updated by dodge.
I will ask him later today, how difficult it is and get back with you.
And Check youtube out for how to.
Or, most reputable shops will do a complete flush when you get transmission fluid change when required at mileage intervals.
and with the overdrive transmission. It seems to get worse if the transmission is heated up after a 30-40 minute highway drive. The shifting is delayed and the tach goes up to 3000 rpm and the shift is hard to second and also to 3rd.
Overdrive (once in) seems to be fine.
According to my Haynes manual, there is something called a throttle valve cable that may need some adjustment and it is a critical adjustment because it will
govern the shifts. If the cable is too loose, it will upshift to early and may be
accompanied by slippage. If too tight the upshifts will be late and
downshifts during part throttle operation will occur too soon.
It would seem to me that this could be the culprit.
drive. Upshifting is delayed. Tach goes up to 3000 or 3500 rpm before a hard shift which BTW
I discovered is helped out if I EASE OFF on the gas pedal a bit.
My Haynes manual mentions a throttle shift cable..but someone on this forum is saying that
the 98 Dakotas don't have this throttle valve shift cable and the shifts are electronically
controlled by the PCM and the Throttle position sensor (TPS) is somewhat responsible for that
and should be replaced on speculation of the shifting problem.
The Haynes manual says the the the throttle body shift cable can cause erratic shift symptoms on
cold engine/trannys.. or when they are heated up ...as in my case.
I'm going to get an aftermarket TPS and install it as that is an easy and inexpensive fix,
but does anyone on this forum have any ideas?
From what I have read so far..changing out the TPS in some cases did fix the delayed shifting
problem. As mentioned, mine seems to occur more so when the engine is heated up.
Being a temperature related symptom, it would make more sense to me that the TPS
may be temp sensitive at this point?
cash, both in "Check engine" diagnosis and troubleshooting electrical and electrical sensor problems.
I highly recommend this manual..it is a worthwhile investment if you are capable of doing some basic repairs yourself.
The manual mentioned that there is a shift cable that connects the throttle at the air horn (located on the other side of the TPS sensor) for the auto tranny used on the 5.2L V8 years (98/99).
(Don't know about other years and engine displacements though.)
It mentioned that on this cable LENGTH adjustment is CRITICAL to proper up/down shifting of the tranny.
Some people (here) mentioned that the shifting is done electronically by the PCM sensing the position of the TPS sensor, but there is a cable that is directly related to the shift control Throttle valve in these transmissions too. If it is too long (stretched) or too tight, it will affect the downshifts/upshifts when the transmission is either cold or hot.
My symptom was when it got hot..and this was because the Throttle valve cable was stretched somehow with 13 years of use. It was about 1/4 inch of too much slack at the air horn, where the cable attaches to the throttle valve shaft (the air horn).. on the same shaft that the TPS senses.
Rather than crawl under the truck and do the complicated procedure to adjust the cable, I decided in trying a quickie fix by inserting a spacer between the cable "ball end" and the bracket which attaches the cable it to the throttle shaft. I decided to use a plastic spacer (end of a tooth brush handle..which is about a 1/4 inch thick) to take up the extra slack in the cable and I could work from the top of the engine, rather than have to jack up the truck, stands,
and then have to try to adjust it lying on my back.
I was curious to see if it would solve the delayed shifting and not be misled by
the transmission shops or the dealers into selling me a complicate repair if
it turned out not to be the TPS sensor that I can replace myself.
I fashioned a roundish spacer by drilling out a hole and cutting a slot in it so that it would fit onto the cable end and not pop off.
Took it out for a trial run, engine heated up and the tranny shifted just like new. Ok, this is a Rube Goldberg solution..but it works and cost nothing to implement.
I'll order a spare TPS sensor, but so far, my fix seems to be working quite well.
"shift solenoid pack" did you change all of them?
Did you replace the (electronic governor) pressure solenoid..the one that is controlled by the PCM for upshifts/downshifts?
If so that is a linear actuator attached to a valve in the valve body, which has several internal valves (depending on what operation it is doing), and controls the front clutch, rear band and direct clutch for reverse operation.
It also has a governor pressor sensor which feeds back governor pressure to the PCM to control the governor. Operation is complicated and it would depend on the parts you replaced.
My Haynes manual also mentions a "Variable force solenoid" which is , 3->4 shift solenoid, TCC (Torque convertor clutch) solenoid (4th gear), pressure sensor and temperature sensor. (Not sure how many apply to the 42re).
There is a manual valve inside the valve body that is operated by the manual gear selector and a parking sprag that locks the parking gear on the transmission output shaft to the transmission case,
so possibly the sprag may not be completely disengaging when going from Park to Reverse making that clicking sound.
I presume when you go back to D, the noise goes away and the transmission
shifts normally?
Was this symptom there before you changed out the solenoid(s)?
What was the reason the solenoid were changed(s)?
Did not know if you found a cure for the trans trouble?
that the temp sensor inside the transmission sends back a signal to the PCM
that the temp is within acceptable range for the overdrive to kick in.
I live in -20C temps (which is well below -4f) and my 46re tranny will kick
into overdrive once the engine has sufficiently warmed up.
going down to the transmission at the throttle body. It help somewhat but
it's still abit slow from 2-3 (around 3,000 rpm). I checked my TPS sensor
output and the Haynes manual mentioned that the reading on
(closed throttle)should be somewheres from 0.5 volts,
to 4.5 volts at full open throttle.
My original tps sensor read 0.66 to 3.77 volts.
I ordered an aftermarker TPS sensor and it was worse..the PCM flashed a
check engine code (P-123) which indicated the voltage was out of range.
Rpms shot way up and the tranny shifted crazy. Engine would not idle
once I put it in gear and moved..rpm would drop off right down to 0
and engine would die on me.
Check the aftermarket sensor and it read 2.5 volts to 4.75 volts, so it was
defective! Glad I the old sensor was still working, so I put it back on and sent
the defective TPS back for exchange. Probably should have paid more and
got it from the dealer. Sometimes it is better to check them out before
attempting to drive off.
Thank y'all in advance . . .
I have a 2006 Dodge Dakota that I have only owned for a month. I took it back to the dealership three times for exactly the problem you're describing. I was sure it was having serious transmission problems. In the end they told me that's just the way the Dakota's act in the morning when you first shift into gear it hesitates.
How long have you owned your truck?
You didn't mention if this was a 4x4 or a 2wd, but the codes the way I'm
interpret them is p0700 (TCM transmission Control Module) is a transmission
control system malfunction. Couldn't find the p0876 code ..are you sure you
read the code right? The dakota doesn't have a transaxle, if it's a 4x4 it
will have a transfer case to allow power to be transfered to the front wheels
for 4 wheel drive situations. The "U/D" could mean upshift/downshift. On the
46re there is a shift solenoid and pressure switch that detects fluid pressure
and returns the information to the PCM (Power Control Module) or computer.
You also mentioned that putting the transmission in gear (Drive or Reverse)
from neutral."it doesn't want to go"..that could be a sign that the neutral
safet switch is faulty.
How is the transmission shifting when you do get it to go into gear. Do the
RPMs go up high and you get a hardshift or does the transmission appear
to shift normally at some predetermine rpm based on your driving habits.
In some dakotas (at least mine 1998) the transmission shifting is controlled
by a pressure solenoid which is then controlled by the PCM. The shifting point
is determined by the TSS (transmission speed sensor) located on the transmission.
no check engine code initially. Drove me nuts for a while as the rpm would
go way up to 3500rpm before it hard shifted. It was like that for a while and
acted up when the truck and tranny got hot. Tried changing out the TPS,
but that was not the problem. Finally the check engine code came on after several weeks P0720 (VSS sensor output low) VSS (Vehicle speed sensor
is actually a transmission speed sensor and provides input to the PCM to
calculate optimum shift points from 1-2 and 2-3.
After that stroke of luck, the VSS/TSS was changed out ($50 item) and
the transmission is shifting normally and smoothly.
I don't know what I would have had to do had I not got that code. It could
have been a costly repair at a transmission shop.
Yes, the RPM's do go up to 2 1/2 when I first start it and it usually idles down about one minute down the road. This happens either in drive or reverse, they both hesitate and get the higher RPM's when first started in the morning and again when I get out of work.
The dealership cleaned the throttle cable and replaced the celenoid. They also replaced the transmission filters.