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4x4 Posi-Lok replaces the thermal linear actuator
with a cable operated actuator that puts the driver in control of
the engagement from inside the cab. After engaging the transfer
case, a one inch pull of the 4x4 Posi-Lok cable slides the shift
fork and collar to connect the right front axle to the intermediate
shaft and 4-wheel drive is engaged! Simply reverse the procedure
to disengage 4-wheel drive. 4x4 Posi-Lok also works great with lockers!
When the front axle is locked, you can disengage the passenger side
in order to make turns without wheel hop.
| 1988-1998 |
1500, 2500 Pickup 6 Lug |
| 1992-1998 |
Suburban, Tahoe, Yukon 6
Lug |
| Note: With Thermal Linear
Actuator (TLA) |
| 1988-1998 |
2500, 3500 Pickup 8 Lug |
1992-1998
|
Suburban 8Lug |
| Note: With Thermal Linear
Actuator (TLA) |
| 1988-1998 |
1500, 2500 Pickup 6 Lug |
1992-1998
|
Suburban, Tahoe, Yukon 6
Lug |
| 1988-1998 |
2500, 3500 Pickup 8 Lug |
1992-1998
|
Suburban 8Lug |
| Note: With Thermal Linear
Actuator (TLA) |
|
|
Common
Problems with the OEM System - Thermal Linear Actuator
4x4
Posi-Lok Benefits
See
how #600 & #800 Work
Installation
Article at Off-Road.com
Heavy-duty cable
Discreet dash mounting
Easy to follow instructions
Complete wiring system to ensure the 4WD dash indicator light functions
properly
The Perm-Lok permanently engages the Central
Axle Disconnect (CAD) system and couples both front axles. Once
installed, the front axles will not pull until the transfer case
is engaged.
Fleet operators
Emergency
vehicles
Installation is easy and can be completed in
approximately 10 minutes.

Click to enlarge
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