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Could a sensor cause a no reverse condition when all forward gears work fine if so where is it

The reverse just quit after driving it one day there was no bang to indicate a band breaking and the fluid is at proper level and in good condition

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  • Cars & Trucks Master
  • 3,961 Answers

It is entirely possible to suddenly lose reverse like this if a shift solenoid or shift valve fails.

I'd expect though that there would be a trouble code showing on the dash. Some cars do this by blinking the O/D indicator light, so check that the Check Engine and O/D dash warning lamps all work by observing them when the ignition is first turned on and in those few seconds when you hit the starter.

Posted on Nov 14, 2014

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Posted on Jan 02, 2017

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SOURCE: Dodge 2500 RAM 4x4 Tranny problems

the gears in transmission are going out..aka slipping.....check out pavementpounders.com or gotmud.com they cn help you out better on there than on here

Posted on Jan 04, 2009

  • 118 Answers

SOURCE: transmision ax4n not working

Possible bad valve body in transmission or a clogged transimission filter. The only way to check either is to pull the transmission pan.

Posted on Jul 21, 2009

  • 12 Answers

SOURCE: 88 toyota supra auto trans slips. won't up shift to 2nd gear

yep, sounds like your transmissions on its last leg, mabye you can get by, by starting in 2nd, if you have the option lol, but auto tran's are pretty cheap on ebay or try www.supraforums.com seen one for 300$

Posted on Jul 28, 2009

autotherapis
  • 501 Answers

SOURCE: i changed transmision fluid of toyota sienna 1998

Changing the fluid will never harm your trans unless you do not fill it back up.

Reverse is all hydrolic. There is no electrical that could cause it. If you have park and forward, you don't have a lincage problem.

As much as I feel for you, (I satarted rebuilding transmissions in the 80's) you will have to get it rebuilt.

Sorry

Posted on Sep 03, 2009

  • 691 Answers

SOURCE: I have a 1966 Ford Falcon with a C4 transmission.

I would begin by replacing the filter if its not new, 2 possibility of issue, faulty shifting module or defective transmission rebuilt. just because it has been rebuilt does not mean the individual work on it did a good job. the less cost effective way is to locate used modulator from ebay or junk yard, if that does not rectified the issue than more likely it will be the tranny. the bad part is that I dont know of a company offer a bench test for the tranny modulator.

Posted on Nov 22, 2009

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not sure if this is an automatic or manual transmission 1st (automatic)if all forward gears are still working what it sounds like is that the reverse drum in the transmission has come apart. which will eventually cause the forward gears to start to go if thats the case, the rapir for the reverse drum is internal the transmission will need to be rebuilt. you can just put a reverse drum, but my opinion is there will be more damage and while its out might as well rebuild the entire transmission. you didnt mention if it was 4 wd or not and only rarely have i seen a transfer case cause the same issue, once most recently in a f150 with a manual transmission i was working on the chain stretched so bad it lost reverse but had all forward gears. 2nd (manual) could have lost the reverse synchronizer whic again the trans will need to be repaired either with just a syncro or complete rebuild. hope this helps

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