4x4 Drivetrain | Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum

Sticky Having 4WD(4x4) issues? Look inside!

2 3 4

75

93K

by o0skittles0o

9

9K

Intermittent service 4wd

1

149

by EnvoyBoy2004

Front Wheel Hub Bearing Assembly and CV Shaft Replace Report

2

458

A solution for front differential seals

3

376

Rear Diff fluid change help

13

9K

Transmission problems...

2

1K

by Ravalli Surfer

*thunking* sound in reverse, 4wd hi

3

273

by pdcomm

4x4 won't engage!

18

13K

6

233

3

457

by Ravalli Surfer

Rear End Noise - Help!

2

1K

by Ravalli Surfer

Bravada 2WD conversion?

1

228

by Ravalli Surfer

Stuck in auto 4x4

11

5K

2002 Envoy- stuck in AWD

8

638

02 Trailblazer wiring diagram

5

5K

4.10 gears a needed upgrade?

19

10K

Shifted from 4lo to 2hi and now truck is stuck in neutral

6

672

by EnvoyBoy2004

Front Diff - Intermediate Shaft bearing trouble

2

24

25K

Will there be issues

0

218

2002 Envoy Service 4wd issue.

4

469

by EnvoyBoy2004

03 trailblazer service 4 wheel drive light comes on intermittently.

2

419

by Lynchy

What do ATC and 4WD fuses do?

5

813

4x4 not engage, only on Auto

2

511

Repairing Front Axle Actuator, and theory of operation

4 5 6

101

132K

by lydell

Stuck in auto 4wd

2

500

by Sk8817

Transfer case issue???

3

582

by EnvoyBoy2004

Rear Differential

0

272

Front Differential Leak ... So Why Now?

8

1K

05 GMC Envoy 4x4 problem

3

600

by okfoz

4x4 doesn’t engage

1

626

by EnvoyBoy2004

0

227

rear differential cover

0

285

by Redpin

4WD engaging but not working

1

554

by EnvoyBoy2004

4wd not working 2003 trailblazer

2

348

by EnvoyBoy2004

Solution for Code 0449 - 2008 Envoy (Emissions code related to Vent Valve)

0

178

by LaMar