Question about 1985 Chevrolet Suburban

1 Answer

Problems with 1985 chevy suburban rear end.

When shifted into gear it seems locked up but if I apply mass acceleration it will move a few feet both reverse and forward. makes a clicking noise.

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  • morena_royal Apr 19, 2013

    I removed cover and found a chipped tooth on gear. what holds axle on and how do I remove axles?

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  • Chevrolet Master
  • 14,036 Answers

Sound like transmission failure.

Posted on Apr 19, 2013

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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66 chrgr
  • 1011 Answers

SOURCE: Transmission problem

im sorry to say no it will not.

Posted on Mar 02, 2009

  • 65 Answers

SOURCE: 1991 Caprice No reverse. Moves in neutral. All forward gears OK.

shift linkage needs adjusting,,could be bent, easy fix, located along firewall to fram beneath the column, ask your son wut he ran over and didnt tell u about... hope i could help...:)

Posted on Mar 23, 2009

  • 474 Answers

SOURCE: rear end locked up

you will probably find damage in the differential. remove cover and inspect.on one of the bolts there should be a metal tag with numbers on it .dont lose. you will need to order gear set.

Posted on Oct 04, 2009

  • 462 Answers

SOURCE: My avalanche won't shift

Sounds like a broken internal trany part. Take it out and shift it through the gears manually to see which gears work and where it revs up. The second and fourth gears are the ones that tend to not work.

Posted on Oct 11, 2009

  • 71 Answers

SOURCE: 2000 chevy blazer reverse is out and transfer case

I'm Going to say the low/reverse 1 way roller clutch is broken,you are hearing the low/rev.planetary gear set spinning.it is at the very rear of the tranny,right where it bolts to the transfer case.It may have died of old age but the ones I've broken have been rocking the truck out of snow or holeshots.If that's the only thing wrong,it's a cheap(used) part but the whole transmission has to come apart,lots of labor.

Posted on Apr 15, 2010

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1 Answer

How do I know when my clutch needs replacing


Hello Joseph....you will feel the clutch slipping. As your driving along at a low speed ...accelerate quickly...If the RPM's go up faster than the vehicles moves forward...your clutch is slipping and needs further attention. A clutch will also produce a rather strong odor when it slips as it will generate a lot of heat.

If your vehicle starts and will not move forward at all....make sure the vehicle moves. While not running, in neutral..push it a few feet...should glide easily...if it doesn't find the wheel(s) that are binding...Is the emergency brake applied or jammed? Are one of the vehicles brakes jammed? If everything is turning smoothly and the engine starts and allows you to depress the clutch pedal and select a gear without a grinding noise... but will not move the vehicle forward, make sure the clutch is actually engaging by observing the linkage and clutch arm.

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Ford taurus will not engage in reverse or forward


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My 2001 lincoln ls wont go into 4th or 5th gears. Took it to a trans shop and they recommended a rebuild for 3000+ dollars. But Ive been reading that alot of lincolns with the same problem getting err


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Shift Patterns Upshifts
Transmission upshifting is controlled by the powertrain control module. The PCM receives inputs from various engine or vehicle sensors and driver demands to control shift scheduling, shift feel and torque converter clutch (TCC) operation.
The PCM has an adaptive learn strategy to electronically control the transmission which will automatically adjust the shift feel. When the battery has been disconnected, or a new battery installed certain transmission operating parameters may be lost. The Powertrain Control Module (PCM) must re-learn these parameters. During this learning process you may experience slightly firm shifts, delayed, or early shifts. This operation is considered normal and will not affect the function of the transmission. Normal operation will return once these parameters are stored by the PCM.
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Apply Components Band — Overdrive
For component location, refer to Disassembled Views in this section.
During 2nd and 5th gear operation, hydraulic pressure is applied to the overdrive servo.
  • This pressure causes the piston to move and apply force to the band.
  • This action causes the overdrive band to hold the overdrive drum.
  • This causes the overdrive sun gear to be held stationary through the adapter plate and the overdrive drum.
Band — Low/Reverse
For component location, refer to Disassembled Views in this section.
During 2nd gear operation, 1st gear operation and reverse, hydraulic pressure is applied to the low/reverse servo.
  • This pressure causes the servo to move and apply force to the low/reverse band.
  • This action causes the low/reverse brake drum to be held.
  • This action causes the low/reverse planetary assembly to be held stationary.
Band — Intermediate
For component location, refer to Disassembled Views in this section.
During 3rd gear operation, hydraulic pressure is applied to the intermediate servo.
  • This pressure causes the servo to move and apply force to the intermediate band.
  • This action causes the direct clutch drum to be held.
  • The intermediate band holds the intermediate brake and direct clutch drum to the case in 3rd gear.
  • This causes the input shell and forward sun gear to be held stationary.
Clutches — Direct
For component location, refer to Disassembled Views in this section.
The direct clutch is a multi-disc clutch made up of steel and friction plates.
  • The direct clutch is applied with hydraulic pressure and disengaged by return springs and the exhaust of the hydraulic pressure.
  • It is housed in the direct clutch drum.
  • During 4th, 5th, and reverse gear application, the direct clutch is applied transferring torque from the forward clutch cylinder to the direct clutch drum.
  • This action causes the forward sun gear to drive the pinions of the low/reverse planetary carrier.
Clutches — Forward
For component location, refer to Disassembled Views in this section.
The forward clutch is a multi-disc clutch made up of steel and friction plates.
  • The forward clutch is applied with hydraulic pressure and disengaged by return springs and the exhaust of the hydraulic pressure.
  • The forward clutch is applied in all forward gears.
  • When applied, the forward clutch provides a direct mechanical coupling between the center shaft and the forward ring gear and hub.
Clutches — Coast
For component location, refer to Disassembled Views in this section.
The coast clutch is a multi-disc clutch made up of steel and friction plates.
  • The coast clutch is applied with hydraulic pressure and disengaged by return springs and the exhaust of the hydraulic pressure.
  • The coast clutch is housed in the overdrive drum.
  • The coast clutch is applied when in 1st, 3rd, D4, and reverse positions.
  • When applied, the coast clutch locks the overdrive sun gear to the overdrive planetary carrier, thus preventing the one-way clutch from overrunning when the vehicle is coasting.
    • This allows the use of engine compression to help slow the vehicle and provide engine braking.
Clutches — Intermediate
For component location, refer to Disassembled Views in this section.
The intermediate clutch is a multi-disc stationary clutch made up of steel and friction plates which are in a module assembly that includes the cylinder and frictions.
  • Applied with hydraulic pressure.
  • Disengaged by a return spring and releasing of hydraulic pressure.
  • Hydraulic pressure is feed through a feed tube in the case worm trail.
  • Uses a bonded piston in an aluminum housing.
  • Applied in during a 2-3 shift event.
  • Transfers torque from the sun gear to the planetary carrier.
  • Torque transfer causes the one way clutch to engage and holds the sun gear from turning, delivering 3rd gear.
One-Way Clutch — Direct
For component location, refer to Disassembled Views in this section.
The direct one-way clutch is a sprag-type one-way clutch that is pressed into the center shaft.
  • The direct one-way clutch is driven by the ring gear of the overdrive planetary carrier.
  • The direct one-way clutch holds and drives the outer splines of the center shaft in 1st, 3rd, 4th and reverse gears.
  • The direct one-way clutch overruns during all coast operations and at all times in 2nd and 5th gear.
One-Way Clutch — Intermediate
For component location, refer to Disassembled Views in this section.
The Intermediate One-Way Clutch is a sprag type one-way clutch.
  • The Intermediate One-Way Clutch connects the intermediate assembly to the input shell and sun gear assembly in third gear.
One-Way Clutch — Low/Reverse
For component location, refer to Disassembled Views in this section.
The low/reverse one-way clutch is a sprag type one-way clutch.
  • The low/reverse one-way clutch holds the low/reverse drum and low/reverse planetary assembly to the case in 1st and 2nd gear.
  • In all other gears the low/reverse one-way clutch overruns.
------------------------------------------------------------------------------

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1 Answer

1999 jeep wrangler no reverse


i would say your reverse gear is locking up on you and that you need to get it to a transmission shop before you break the gear off trying to back it up,,it will mess up the other gears

Feb 13, 2009 | 1999 Jeep Wrangler

2 Answers

Sheift lock


The term "shift lock" is the system that is in place to prevent the vehicle from being shifted out of Park into Reverse or Drive WITHOUT having the driver's foot firmly on the brake pedal. The brake light switch on the brake pedal closes a circuit that energizes a solenoid under the shifter. When the brake is applied, and the solenoid is energized, the shift lever is no longer "locked", and can be moved to the desired position.
The idea here stems from a phenonomon several years ago that dealt with the issue of "Sudden Intended Acceleration". What was happening here was, for some unknown reason, engines started developing high RPMS for no reason, and several accisents were reported due to this issue. The vehicle would accelerate "unintendedly", when putting into drive or reverse, and could hit something.

Oct 02, 2008 | 2005 Toyota Corolla

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