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My 2003 gmc envoy makes a grinding noise when 4x4 is engaged but drives fine in 2wd. It is my daily driver.. is the problem with the 4x4 gonna cause problems with the 2wd?

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  • 31 Answers

Check transfer fluid it might be low

Posted on Mar 24, 2019

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Posted on Jan 02, 2017

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solasknows
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SOURCE: '95 tahoe making noise when accelerating; sounds

no it should not spin when is in 2wd thanks

Posted on Jul 22, 2009

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SOURCE: 2003 GMC Envoy XL transmission issue; make loud noise and...

transmition willnot change to second gear

Posted on Aug 15, 2009

  • 236 Answers

SOURCE: Rear-end grinding noise in 1993 GMC Sierra 1500

your description sounds like the gears inside the the same differential you just replaced.

Posted on Oct 13, 2009

ftw1952
  • 10319 Answers

SOURCE: Rubbing/grinding noise

Usually the strut bearing will make this noise upon turning a corner and hitting a rut or pot hole when turning. A wheel bearing will make a low pitched whinning sound constantly

Posted on Jan 16, 2010

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SOURCE: 2003 gmc envoy 4x4 not working

My 2005 Envoy 4WD is not working. Switc is currently on 2HI, but light is showing AWD. What is the problem???

Posted on Sep 13, 2010

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1997 ford f150 4x4 with MSOF jumps out of 2wd while driving. 4 wheel works fine.


It sounds like you have different size tires on the front than on the back causing the t-case to bind up. If not, your having an engagement/disengagement issue in the t-case or the shift actuator for the t-case

Feb 16, 2017 | Ford F-150 Cars & Trucks

1 Answer

2005 4.6 f150 4WD drive is not engaging.the front pass.wheel makes a grinding noise while in 2WD.when i shift to 4WD the noise goes away but 4WD does not engage. solenoid? actuator? or something more?


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1 Answer

2004 envoy noise from front end while driving


How did you check it? Look at it? I think it's a sealed bearing. While driving, slowly sway the car left to right and back again. Does the noise become more prominent in either direction? When you put mor weight on a bad bearing they make more noise. Turning left puts more weight on the right side and vice versa.

Dec 26, 2013 | 2004 GMC Envoy

1 Answer

2003 gmc envoy 4x4 problems. 4200 vortec engine. my front diff doesnt seem to be working


Look under there and see, but I think they (the hub locks) are engaged by vacuum motors.

May 18, 2017 | 2003 GMC Envoy

1 Answer

2003 gmc envoy 4x4 problems. 4200 vortec engine. my front diff doesnt seem to be


The Selectable Four Wheel Drive (S4WD) Front Axle consist of the following components:
• Differential Carrier Housing
• Differential Case Assembly
• Inner Axle Shaft
• Intermediate Shaft Bearing Assembly (located on the right side of the oil pan)
• Electric Motor Actuator
The front axle on Selectable Four Wheel Drive (S4WD) model vehicles uses a disconnect feature mounted on the right side of the oil pan in order to engage and disengage the front axle. When the driver engages the 4WD system, the Transfer Case Control Module sends a signal to the electric motor actuator to energize and extend the plunger inside. The extended plunger moves the clutch fork and clutch fork sleeve across from the clutch fork outer gear that is splined to the right side wheel drive shaft to the clutch fork inner gear that is splined to the inner axle shaft. The locking of the two gears allows the axle to operate in the same manner as a semi-floating rear axle. A propeller shaft connects the transfer case to the front axle. The differential carrier assembly uses a conventional ring and pinion gear set to transmit the driving force of the engine to the wheels. The open differential allows the wheels to turn at different rates of speed while the axle continues to transmit the driving force. This prevents tire scuffing when going around corners and premature wear on internal axle parts. The ring and pinion set and the differential are contained within the carrier. The axle identification number is located on top of the differential carrier assembly or on a label on the bottom of the right half of differential carrier assembly. The wheel drive shafts are completely flexible assemblies consisting of inner and outer constant velocity CV joints protected by thermoplastic boots and connected by a wheel drive shaft.

How To Install Repair Replace 4x4 Front Axle Actuator Chevy Trailblazer...

May 11, 2017 | 2003 GMC Envoy

1 Answer

When need to use the 4wd, my truck to the left or right the front drivers wheel makes a popping sound like if it were to have cv axles. It's a 2003 gmc yukon 4x4 it just started happening


You could have a CV joint that has gone bad, or the engagment forks to the front differental is partialy engaged which is causing the popping noise when you go around a corner. Good luck and keep me posted.

Feb 06, 2010 | 2003 GMC Yukon

2 Answers

2004 gmc envoy engine tapping sound, it has plenty of water/antifreeze, and plenty of oil.


We have the same tapping sound on our 2003 Envoy six cylinder engine. I believe the sound is coming from the radiator fan clutch assembly. When the engine reaches its operating temperature and the fan clutch engages, the tapping sound goes away.

Jan 14, 2010 | 2003 GMC Envoy

1 Answer

2005 GMC Envoy Locked in 4WD all the time


If your luck it's going to be a $15.00 vacuum switch on the transfer case that takes about 15 min to replace, if it's the electronic solenoid to the transfer case then it's going to be cost a little more and take a little longer. If your try switching from 4WD to 2WD and hear the solenoid working by hearing the cluck's when it engages and disengage then it's going to be the vacuum switch on top of the transfer case on the drivers side. Auto Zone Sell's them for $15.00 and they will have the step by step instructions to replacing the switch. They will also have the transfer case solenoid  too, if you don't hear the solenoid. Check the fuses, the fuse may have gone bad. Good luck and hope this helps.

Jun 18, 2009 | 2003 GMC Envoy Xl

2 Answers

Check 4 wheel drive light appears after 4x4 is engaged.


the sensors inside the t-case show that no lubricant is present and just needs a cycle of use to read correctly, or a new tranfer case switch $60 and 30min.

Dec 03, 2008 | 1999 GMC Suburban

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