Question about 1989 Dodge Dakota 2WD

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Knock when engaging reverse gear

Had the differential and transfer case rebuilt, enigine runs fine since the day i bought the truck, every time you engage the reverse gear theres a loud knock occurs could it be the yoke in my transmission?

Posted by brwnnzr on

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Sounds like it's time to replace the U-joints

Posted on Aug 12, 2008

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What is it that engages front drive. Is it front gear box or in transmission?


Depends on what sort of set up you have.

If there's a transfer case - it's like another gearbox on the transmission - it's the transfer case (I.e a gearbox..) that supplies power to your front wheels.

The transfer case is itself powered by the transmission. You will have a propshaft (driveshaft) running from the transfer case to the front differential.

Apr 21, 2016 | Cars & Trucks

1 Answer

4 high won't engage but 4 lo and 2wd work fine


Check for power to the front differential actuator. This actuator slides a gear in position to lock the differential to drive the front wheels. If you have power and ground to the actuator when in the 4HI position, the actuator has gone bad.The 4LO is only engaging at the transfer case, but the front wheels are still not engaged if it is not working in 4HI.

Feb 25, 2015 | 2003 GMC Sonoma Extended Cab

1 Answer

I have a 1999 Suburban with the 5.7. It has the 4 speed transfer case (4hi, pert time 4W, 2hi, 4lo). It started making a very loud noise that sounds like a bench grinder. It won't go in reverse,...


Been there done that, I have same problem ,its the transmission, Why if it was the transfer case,look at the design it couple the drive shaft ,there a gear and chain attatched by a gear drives the front drive differential,You have a transmission failure

Nov 10, 2012 | 1999 GMC Suburban

1 Answer

95 mustang v6 auto no forward gears but works in reverse had ****** rebuilt and same thing


Maybe your differential is shot and will only allow reverse spin or the transmission was not really rebuilt professionally. Was the transmission checked outside of your car after rebuild? Does your vehicle have a Powertrain Control Module (PCM)? Maybe the module went bad or faulty.

Jun 18, 2012 | Cars & Trucks

1 Answer

Service four wheel drive light on,cant shift into 4wd cold only ,below 45F,drive awahile resatrt the truck it works fine,warm days no problems .


Vehicles: 2002 Chevrolet Trailblazer 4WD 4.2L SFI DOHC 6-cylinder

Your front 4WD Transfer case is low on Gear Oil.
On warm days, the Gear Oil expands slightly, and is less viscous, so the "Service 4WD" light stays off. On colder days/mornings the story changes.

The following paragraph has info applying to the manual differential only:
The 2002 Trailblazer (the first year Chevy made the Trailblazer) has a Front Differential using 1.11 (that's 1 and 1/9th) Quarts Gear Oil, and a Rear Differential with a capacity of 2.29 (thats 2 and 2/7ths) Quarts Gear Oil.
The Gear Oil needed is GM Part No.12345349 or GM Part No.1052931 (they're identical), also known as "GM Synchromesh"(R), which is a type of GLS (Gear Lubricant, Special), also known as "Manual Synchromesh Transmission Fluid 5W30". A synthetic version of which sells for $12.70/qt (USD) at
http://www.amsoil.com/storefront/mtf.aspx

This is not to be confused with 5W30 motor oil (which can be had for $3.00/qt (USD)).

The 2002 Trailblazer 4WD Transfer Case (NV126 Transfer Case) capacity is 0.8 Liters of GM Part No.12378508 (US), also known as "GM Auto Trak II"(R).
Note that one Quart (US) = 0.946 Liter, so 0.8 Liter = 27.06 ounces.

Red Line sells something that they say replaces both GM Synchromesh and GM Auto-Trak II for $12.14/Qt and $44.55/Gal (US) at
http://www.shopwiki.com/Red-Line-MTL-70W80-GL~4-Gear-Oil-%281-Quart%29

13 Manufacturer Recalls apply to the 2002 Chevrolet Trailblazer (model year 2002 was the first year Chevy offered the Trailblazer), and two recalls pertain to the 4WD Transfer Case. Note that one of the recalls applies to only 895 units, so your vehicle is unlikely to be affected by this Transfer Case recall.

2002 Trailblazer Recall ==========================
OCT 17, 2001 ' Recall ID# 54221

Recall Reason POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
Recall Date OCT 17, 2001
Model Affected TRAILBLAZER
Potential Units Affected 78004

Recall Summary
VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES EQUIPPED WITH 4-WHEEL DRIVE. THE CALIBRATION OF THE TRANSFER CASE CONTROL MODULE COULD CAUSE INSUFFICIENT HIGH SPEED GEAR ENGAGEMENT.

Consequence
IF THE GEAR IS NOT ENGAGED, THE VEHICLE CAN ROLL WHEN THE TRANSMISSION IS IN "PARK" AND A CRASH COULD RESULT WITHOUT WARNING.

Remedy
DEALERS WILL UPDATE THE TRANSFER CASE CONTROL MODULE CALIBRATION TO INCREASE GEAR ENGAGEMENT. OWNER NOTIFICATION BEGAN NOVEMBER 6, 2001. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CHEVROLET AT 1-800-222-1020 OR GMC AT 1-800-462-8782.

Notes
GENERAL MOTORS CORP. 01064/01065

2002 Trailblazer Recall ============================
SEP 05, 2001 ' Recall ID# 26006

Recall Reason POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
Recall Date SEP 05, 2001
Model Affected TRAILBLAZER
Potential Units Affected 895

Recall Summary
VEHICLE DESCRIPTION: SPORT UTILITY VEHICLES (4 WHEEL-DRIVE). SOME OF THESE VEHICLES WERE BUILT WITH A RANGE SHIFT COLLAR IN THE TRANSMISSION TRANSFER CASE THAT CONTAINS CRACKS.

Consequence
THIS CONDITION COULD RESULT IN A COMPLETE FRACTURE OF THE RANGE SHIFT COLLAR AND SUBSEQUENT LOSS OF VEHICLE FORWARD AND REVERSE GEARS, AND THE INABILITY TO MAINTAIN "PARK" POSITION. THIS INCREASES THE RISK OF A VEHICLE CRASH RESULTING FROM UNINTENDED MOVEMENT OF A PARKED VEHICLE.

Remedy
DEALERS WILL REPLACE THE TRANSFER CASES AND UPDATE THE CONTROL MODULE CALIBRATION. OWNER NOTIFICATION BEGAN SEPTEMBER 6, 2001. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CHEVROLET AT 1-800-222-1020 OR GMC AT 1-800-462-8782.

Notes
GENERAL MOTORS CORP. 01061


Read about all (13) 2002 Chevy Trailblazer recalls at:
http://www.internetautoguide.com/10-12-2002-16-1287/2002-chevrolet-trailblazer-recalls.html

Dec 05, 2011 | 2002 Chevrolet TrailBlazer

1 Answer

I bought a 92 Chev 2500 4X4 from a guy just recently. He said the tranny wont go into gear. I found the transfer case was in neutral. So i put it in gear and away it goes. But reverse seamed sluggish. ...


If your transmission is a 700r4 (4l60) you have a reverse band that engages when you want to go in reverse. since it drives forward your low reverse clutch and your fwd clutch are working. This leaves the band which was probably slipping now is not engaging.

Feb 16, 2011 | 1992 Chevrolet C/K 2500

1 Answer

Toyota Tacoma 4wd Front end locks up after being parked


Don't jump to conclusions. Start w the basics. Start w the brakes & go from there. U may have to lift it to try it also.

Mar 11, 2017 | 2001 Toyota Tacoma

1 Answer

Jeep Wrangler 1998 straight drive has difficult times going into reverse gear. I don't drive it every day,usually towing it behind my RV. It seems better when I drive it more,but is still difficult to...


if this is a 5 speed manual transmission...all you need to do before putting your jeep into reverese is puting it into first gear and then shifting it to reverse to avoid any grinding or problems shifting into reverse...this isn't a problem just a poor jeep design by not installing an extra gear to eliminate this grinding or shifting problem

Mar 26, 2009 | 1998 Jeep Wrangler

2 Answers

1996 chevy K1500 transfer case slipping out of 4 wheel drive


Your trouble is most likely not in the transfer case but in the front differential engagement solenoid.

Dec 20, 2008 | 1996 Chevrolet K1500

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