Question about 2004 Chevrolet Silverado 2500

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WHAT TRANSMISSION IS IN A 1994 CHEVY 2500 4X4 EXTENDED CAB THRODDLE BODY FUEL INJECTION 350 4 SPEED AUTOMATIC

MY REVERSE GEAR WENT OUT COMPLETELY AND ABOUT 2 DAYS AND 4O MILES LATER SO DID ALL FORWARD GEARS IM ASSUMING ITS COOKED ANY ONE KNOW WHAT OTHER TRANSMISSIONS WILL WORK AND DOES ANY ONE HAVE A USED GOOD ONE THEY CAN SELL CHEAP OR TRADE ??? WITHOUT TRUCK IM OUT OF WORK I CUT FIREWOOD AND SELL FIREWOOD IN BIG BEAR CA. PLEASE HELP THANKS

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  • Chevrolet Master
  • 2,620 Answers

700R4

Posted on Feb 13, 2013

Testimonial: "thanks for the info on what trans i have thanks again"

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6 Suggested Answers

Anonymous

SOURCE:

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Posted on Jan 02, 2017

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emissionwiz

Marvin

  • 85223 Answers

SOURCE: Reverse gear on 1988 Chevy C1500 automatic transmission

sounds like the reverse clutch is shot, pull the pan and look for allot of grey material in the pan, some is normal but a big pile is trouble, if it is not to bad change the fluid and filter and use the new DEXRON 6 fluid, it is compatable with all GM automatics, keep your fingers crossed and it should give you a little while longer before u need an overhaul..

Posted on Mar 08, 2009

Molson02536

Harvey N Tawatao

  • 3854 Answers

SOURCE: transmission will not shift

Check the Vehicle Velocity Sensor (V V S)-(Speed Sensor) or the wire harness to the VVS. IF the ECM is not getting a signal from the V V S, the PCM can not give the signal to switch gears. The V V S is on the drivers side of the end ot the transmission that is held on by one bolt. Best thing to do is to have the truck scanned at Auto Zone for a DTC code and to confirm that the V V S has gone bad and they can give you the step by step instruction to replacing the sensor and takes about 15 min to do. Good luck and keep me posted. Keep an eye on the transmission fluid, make sure you don't run the transmission to hard and burn it out over a $40.00 sensor which is better then $1,800 for a transmission replacement. 

Posted on Jun 22, 2009

Anonymous

  • 1 Answer

SOURCE: 1995 chevy not going into reverse

I have the same problem, ALL forward gears apply and pull hard. When placed in reverse it feals like it is engaging but won't pull. Probable cause low fluid pressure. I found several resources that said to try Lucas trans fix or remove the reverse check ball from the valve body. As soon as I find out which check ball is the rev. I will try it and let you know. If you can help let me know.

Posted on Aug 09, 2009

Mark Babineau

  • 1129 Answers

SOURCE: Reverse out on 94 Chevy 1500

Look under the truck and check for loose or broken wires leading to the transmission, if this looks ok you probably have an issue with the transmission electrol control module, these units are about $100.00 used from a junk yard and you will be taking a chance since this may not solve the problem, make sure the transmission filter is not clogged or fluid level is low.

Posted on Sep 24, 2009

Juble

  • 37 Answers

SOURCE: 1995 Chevy S10. The transmission (4L60E) has been

Imput drum is built incorrectly or bad imput drum. trans assembled correctly, put on trans x and if trans does not operate correctly I will ship you one for $1000 www.TransmissionGarage.com

Posted on Dec 30, 2009

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4R100 or 4R70W?

Geartrain
Power is transmitted from the torque converter to the geartrain components through the input shaft and forward clutch cylinder.
  • By holding or driving certain members of the gearset, four forward ratios and one reverse ratio are obtained and transmitted to the output shaft. The ratios are as follows:


GEAR RATIO 1ST 2.71 to 1 2ND 1.54 to 1 3RD 1.00 to 1 4TH 0.71 to 1 REVERSE 2.18 to 1
Input Shaft
The input shaft is supported by two bushings in the stator support. End positioning of the input shaft is controlled by the splines in the converter turbine and the overdrive planet assembly.
Output Shaft
The output shaft is supported by two bushings in the case and by the slip-yoke and bushing in the extension housing. End positioning is controlled by the parking pawl gear and snap ring or shoulder and by the reverse ring gear hub and snap ring.
Overdrive System
The overdrive planetary system consists of the overdrive planet assembly, overdrive sun gear, overdrive ring gear, coast clutch cylinder, overdrive one-way clutch assembly and the center shaft, as shown in the following illustration. The overdrive planet assembly is splined to the input shaft. The overdrive sun gear is centered by a bushing on the input shaft and held in place laterally by needle bearings on the reactor support and the overdrive planet assembly. The overdrive sun gear is splined to the coast clutch cylinder, which in turn is splined to the overdrive one-way clutch inner race.
The outer race of the one-way clutch is splined to the overdrive ring gear, which is splined to the center shaft. The center shaft is centered by the forward planetary assembly and is laterally held by needle bearings on the center support and the overdrive planet assembly. The center shaft is splined into the forward clutch cylinder.
Two friction clutches are assembled in the overdrive planet assembly. The coast clutch is splined between the coast clutch cylinder and the overdrive ring gear. The coast clutch is activated to perform engine braking in MANUAL 1, MANUAL 2 and third gear with the transmission control switch engaged.
The overdrive clutch is splined between the case and the coast clutch cylinder. The overdrive clutch holds the coast clutch cylinder and, in turn, the overdrive sun gear, to permit the planet assembly to overdrive the ring gear.
--------------------------------------------------------------------------------------------
Forward Drive System
The forward drive system consists of the forward clutch cylinder, intermediate brake drum, intermediate one-way clutch, input shell, forward ring gear, forward ring gear hub, forward/reverse sun gear and the forward planetary carrier and forward planetary gears.
The forward clutch cylinder is splined on the center shaft. The forward ring gear is piloted on the forward ring gear hub. Thrust bearings on the forward planet assembly and forward clutch cylinder hold the forward ring gear hub in place.
The intermediate brake drum is radially supported by bushings on the center support and is laterally controlled by thrust washers on the forward clutch cylinder and center support. The intermediate brake drum has the inner race of the intermediate one-way clutch press-fitted on its pilot. The intermediate one-way clutch's outer race is splined to the intermediate friction clutch, which is splined to the case. The intermediate brake drum has lugs that are slotted into the input shell to form a mechanical connection. The input shell is splined into the forward/reverse sun gear. The forward/reverse sun gear is common to two planetary gearsets. The forward planet is splined to the output shaft and is laterally positioned by needle bearings on the sun gear and on the forward clutch cylinder, as shown in the following illustration.
Two friction clutch assemblies, the direct clutch and the forward clutch, are shown with the forward planetary assembly. The direct clutch assembly splines the forward clutch cylinder to the intermediate brake drum. The forward clutch assembly splines the forward clutch cylinder to the forward ring gear. The forward clutch is activated during all forward gears. While in third or fourth gear, both the direct and forward clutches are applied to hold the forward planetary assembly and enable it to act as a solid shaft.
In second gear, the intermediate clutch assembly holds the forward/reverse sun gears. It is applied, along with the intermediate one-way clutch, to hold the intermediate brake drum, input shell and forward/reverse sun gear. In higher gears, the one-way clutch overruns.
----------------------------------
Low and Reverse Drive System
The reverse planetary assembly consists of the reverse planetary carrier, reverse planet gears, the reverse ring gear, the reverse ring gear hub, the reverse clutch hub and the low-reverse one-way clutch assembly.
The reverse ring gear hub is splined to the output shaft and to the reverse ring gear. The reverse ring gear hub is laterally held by a needle bearing on the inner race of the low-reverse one-way clutch and a snap ring on the output shaft. The reverse planet assembly is splined to the low-reverse clutch hub. The low-reverse clutch hub is connected by the reverse clutch to the case. The inner race of the one-way clutch is bolted to the case.
The reverse clutch assembly is activated in REVERSE gear and in MANUAL 1. The reverse clutch bypasses the reverse one-way clutch during coast and MANUAL 1. The reverse clutch holds the reverse planet assembly in REVERSE gear to enable the sun gear to drive the reverse ring gear in the opposite direction.
-------------
Apply Components
The following information describes the operation of the three 4R100 one-way clutches.
One-Way Clutch—Overdrive
The overdrive one-way clutch, shown in the following illustration, transmits engine torque from the overdrive sun gear to the overdrive ring gear in first, second and third gear range. The overdrive one-way clutch transmits power when the sprags are engaged between the inner and outer races. The inner race is splined to the coast clutch cylinder, which in turn is splined to the overdrive sun gear. The outer race is splined to the overdrive ring gear.
The overdrive one-way clutch engages whenever the overdrive planetary system attempts to drive the overdrive sun gear clockwise when the overdrive ring gear has a counterclockwise torque from the vehicle. When torqued counterclockwise, the overdrive one-way clutch engages and acts as a wedge to lock the sun gear and the ring gear together. During coast, the overdrive one-way clutch enables the ring gear to overrun or spin at a faster rate than the sun gear.
The overdrive one-way clutch overruns when in overdrive (fourth gear). In overdrive, the coast clutch cylinder is held by the overdrive one-way clutch, which in turn holds the overdrive sun gear. This causes the overdrive planet assembly to walk around the sun gear and overdrive the overdrive ring gear. The inner race of the overdrive one-way clutch is thus held stationary while the outer race is allowed to overrun clockwise.
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