How to remove actuator from GM 4WD truck?

1. REMOVE THE FRONT DIFFERENTIAL CARRIER SHIELD, IF EQUIPPED. 2. IF NECESSARY, CLEAN THE AXLE HOUSING IN THE AREA AROUND THE EXISTING ACTUATOR. DISCONNECT THE ACTUATOR’S ELECTRICAL CONNECTION AT THE FRONT AXLE HOUSING. 3. REMOVE THE FRONT AXLE ACTUATOR BY UNTHREADING THE ACTUATOR FROM THE AXLE HOUSING. 4.

How to fix a 4WD axle actuator problem?

4wd Actuator Problem 1 REMOVE THE FRONT DIFFERENTIAL CARRIER SHIELD, IF EQUIPPED. 2 IF NECESSARY, CLEAN THE AXLE HOUSING IN THE AREA AROUND THE EXISTING ACTUATOR. DISCONNECT THE ACTUATOR’S ELECTRICAL CONNECTION AT THE FRONT AXLE HOUSING. 3 REMOVE THE FRONT AXLE ACTUATOR BY UNTHREADING THE ACTUATOR FROM THE AXLE HOUSING.

When to replace front axle actuator in GMC K?

SUBJECT: SLOW OR NO ENGAGEMENT OF FRONT AXLE WHEN 4WD IS SELECTED (REPLACE FRONT AXLE ACTUATOR) MODELS: 1988-97 CHEVROLET AND GMC K MODELS EXCLUDING 1988-93 MODELS OVER 8500# GVW

Why is my actuator not working on my K3 truck?

ON K3 MODELS WITH THE CAST IRON AXLE TUBE, THERE MAY BE A CASTING BURR WHICH MAY CONTACT THE EDGE OF THE ACTUATOR. THIS SHOULD NOT CREATE A CONCERN AND THE ACTUATOR SHOULD SEAT AGAINST THE AXLE TUBE. IF THIS CONTACT REMAINS A CONCERN, USE A DIE GRINDER IN ORDER TO REMOVE THE BURR.

Are there any transmission problems with the Chevy Tahoe?

Multiple Chevy Tahoe models are experiencing transmission problems very early on. Some are requiring expensive repairs before they even hit 70k miles. Life long Chevy fans are starting to reconsider their choices after dealing with jerky shifts, burning oil, and more with the new Chevy Tahoe .

What to do if your Chevy Tahoe a / C fails?

One driver of a 2015 Chevy Tahoe had his A/C fail before he hit 50,000 miles. On top of this issue, it can be difficult and expensive to fix. This issue often goes beyond a simple recharge. You may have to replace the compressor or condenser. Also, after some drivers paid around $1k to fix their A/C, the problem wasn’t solved for good.

Why is the dashboard cracking on my Chevy Tahoe?

Some Chevrolet Tahoe owners have experienced issues with the dashboard cracking. This is more common in areas where the vehicles are parked in the hot sun because the cheaper plastic materials crack under heat. While a crack in the dashboard isn’t that much of an inconvenience, it’s annoying. Cracks will reduce the resell value.

How long does power steering lock up on a Chevy Tahoe?

The steering may lock up for as long as five minutes, or you could be randomly hit with a loss of control. One driver had their power steering lock up while traveling at 30 mph, and another driver lost control of their steering at 70 mph. Both of these incidents could have led to significant wrecks.

Why does my GMC front axle shift actuator not engage?

A VERY telling symptom that this particular part is your problem is if your 4WD engages when the weather is warm but either does not engage or takes a lot longer to engage when the weather is colder. On most vehicles you push a button for 4WD and an indicator light blinks until the actuator engages.

Where can I get a thermal actuator for my 4WD?

The thermal actuator is available aftermarket via part number TCA1 in the 2 wire form if you want to keep it simple. The retrofit kit (2 part numbers) is a little more pricey, but engages a lot more positively. If the actuator’s acting up we carry new ones on our website with free shipping.

Where is the actuator wiring harness on a GM Truck?

STRAP THE JUMPER HARNESS AND THE SERVICE HARNESS TO THE TAB ON THE AXLE TUBE. 12376316 KIT, ACTUATOR WIRING HARNESS (88-96I K1,2) AXLE CODE;ZLS, ZLT, ZLW ZLX, ZLY 12376317 KIT, ACTUATOR WIRING HARNESS (96I-97 K1,2) AXLE CODE;ZWA, ZWB, ZWD ZWF, ZWG 12376318 KIT, ACTUATOR WIRING HARNESS (94-96I K3) AXLE CODE;ZLX, ZLY, ZLZ

How does the thermal actuator work on a 4WD truck?

But the Posi-Lok system stays locked even when the ignition is off. The thermal actuator came first, when you engage 4WD there is a soft piece of plastic, maybe even wax that has to heat up before the actuator engages. The electric version came out in 98 or so and engages immediately.

What kind of actuator do I need for 4WD?

The thermal actuator came first, when you engage 4WD there is a soft piece of plastic, maybe even wax that has to heat up before the actuator engages. The electric version came out in 98 or so and engages immediately. Myself, if I had that series of truck, I’d install a Posi-Lok and be done with it. Click here for the Posi-Lok. Click to expand…

Do you have a push button 4×4 actuator?

With 8 people in the car, it was a little slippery sometimes. It was GREAT to have the ‘push-button’ 4×4 system. P.S. Does this mean that since my ‘burb is a ’99 model that I already have an electric actuator?

Is there a DTC for a GM 4WD?

Some later model 4WD systems have scan tool capabilities along with diagnostic trouble codes (DTCs) to help locate and diagnose many of the problems associated with them. We looked at two GM K 1500 trucks that have the NVG 246 two- speed transfer case. One is a 1999 model, the other a 2000.