Question about 2002 Chevrolet TrailBlazer

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Where is transfer case module located on a chevy trailblazer

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 2000 s10 blazer 4x4

i need a picture diagram so I can replace the motor on the transfer case.

Posted on Oct 10, 2008

  • 1 Answer

SOURCE: transfer case control module

Its behind the kick panal on the pssengers side.

Posted on Nov 25, 2008

tommyboinow
  • 324 Answers

SOURCE: 2003 Trailblazer Transfer Case Control Module.

it is located on the top of the trnsfer case, it has a plug going into it, just go buy the new one, at autozone, will be much cheaper, use a 18MM wrench and turn the sensor out and put the new one in.

Hint, it is the one top dead center of the transmission.

Posted on Nov 26, 2008

  • 9 Answers

SOURCE: 4 wheel drive on 1999 chevy blazer

99 chev blazer should have an electric motor not a vac switch...Is your controll on the dash a switch you turn.. or on the floor you shift ??

Posted on Jan 07, 2009

  • 1118 Answers

SOURCE: Is differential & transfer case flush good idea at 95,600 miles?

You should have the trans., transfer, and diff. serviced, if you got an owners manual it will tell you in there at what intervals or the milage it should be done at,mostly around 35 to 50.000 you got that kind of milage on it and its never been done you better do it, the oils do break down and don't last forever, it could cost you more in the long run.

Posted on Aug 11, 2009

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Four wheel drive not working on 2002 chevy blazer


Is the SERVICE 4WD indicator lit ?
The SERVICE 4WD indicator is an integral part of the cluster and cannot be serviced separately. This lamp is used to inform the driver of the vehicle that a transfer case system malfunction. The SERVICE 4WD indicator is controlled by the transfer case shift control module via Class 2.
If so suggest you take it to a ASE certified repair shop !

Dec 15, 2015 | 2002 Chevrolet TrailBlazer

1 Answer

I have a ratteling /noise comming from my 05 trailblazer ext lt transfer case when hot


Chevy and GMC Transfer Case Problem - YouTube

? 2:32
www.youtube.com/watch?v=Nj5ZS8wOmNk
Jan 30, 2010 - Uploaded by beaud1ns i have a 2004 chevy silverdo with a np8 transfer case that went .... that little anti rattle clip on the case is removed and a new wide one that fit ...

Sep 09, 2015 | Cars & Trucks

1 Answer

My 2002 trailblazer is not shift into four wheel drive . Please help.


need to check the fuses first than check for power to transfer case [under vehicle attached to rear of transmission ]if no power check selector switch if good and has power-than module needs to be checked its located on left side dash behind headlight switch

Aug 14, 2013 | 2002 Chevrolet TrailBlazer

1 Answer

What is code U1026 on chevy trailblazer


The code U1026 means "Loss of Active Transfer Case Control Module Communications". Read this forum to know more.

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Mar 05, 2013 | 2007 Chevrolet Trailblazer

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

Where is the pcm located on a 2003 chevy trailblazer


5.3L Engine

The Powertrain Control Module (PCM) is located on the left front frame rail.

4.2L Engine

The Powertrain Control Module (PCM) is located in the engine compartment. It is mounted on the left side of the engine.

Nov 28, 2011 | 2003 Chevrolet TrailBlazer

1 Answer

I have a Chevy Trailblazer 2003 103,000 miles, service 4 wheel light came on , drove for 15 miles. When I turned it on again, light was gone , it did this before for brief periods, then turned off by...


The 2002 model year had a problem with the TCCM (Transfer Case Control Module) sometimes not "waking up" and flaky software. Another reason for the warning light coming on is a weak or slow transfer case actuator module. A technician with a highend scan tool should be able to diagnose the problem.

Aug 13, 2011 | 2002 Chevrolet TrailBlazer

1 Answer

My chevy trailblazer is stuck in 4wlo


i would check your transfer case control module.they will give you problems.

Feb 06, 2011 | 2004 Chevrolet TrailBlazer

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