Dorman600-101,600.JPG
1240 hits | 32.42 KB | Posted: 4/4/12
I don't know why these are sold separately - neither will work without the other. Note that the ste...

Actuator01.JPG
1412 hits | 105 KB | Posted: 4/4/12
This is GM's crappy idea - basically a light bulb filled with oil that swells & pushes a lever insid...

Actuator02.JPG
1217 hits | 94.1 KB | Posted: 4/4/12
As soon as the threads were exposed, I could see there was a problem - the bright yellow oil from th...

Actuator03.JPG
1140 hits | 76.43 KB | Posted: 4/4/12
The rubber boot on the tip has also ruptured & become entangled in the piston.

Actuator04.JPG
1116 hits | 83.56 KB | Posted: 4/4/12
This is just actuator oil - none of the differential oil came out.

Actuator05.JPG
1881 hits | 90.53 KB | Posted: 4/4/12
The new actuator is much larger outside, but for some reason, it's shorter inside, requiring this sl...

Actuator06.JPG
1263 hits | 93.46 KB | Posted: 4/4/12
The body of the actuator is VERY close to the axle housing, but mine had no interference. It took s...

Actuator07.JPG
1244 hits | 57.88 KB | Posted: 4/4/12
I didn't check this before beginning, so I was surprised to find the new harness DOESN'T FIT the tru...

Actuator08.JPG
1352 hits | 92.08 KB | Posted: 4/4/12
Since 600-600 is the only harness available, I simply cut the old actuator's connector off & attache...

Actuator09.JPG
1249 hits | 96.18 KB | Posted: 4/4/12
If I hadn't cut & spliced the connector, I suspect I would have been forced to route the wiring UNDE...

Actuator11.JPG
1343 hits | 86.96 KB | Posted: 4/4/12
The instructions say to route the Br wire over the transmission & then splice it into the truck wiri...

Actuator13.JPG
1226 hits | 73.58 KB | Posted: 4/4/12
Just for curiousity, I cut the old actuator open. My best guess is that the oil leaked out, allowin...

I1.GIF
1981 hits | 54.86 KB | Posted: 4/5/12
Instruction sheet (packaged with Dorman 600-600)
IF THE TEXT IS TOO SMALL, click it.

IF1.GIF
1637 hits | 32.16 KB | Posted: 4/5/12
Instruction sheet (packaged with Dorman 600-600)
IF THE IMAGE IS TOO SMALL, click it.

IF2.GIF
1829 hits | 70.51 KB | Posted: 4/5/12
Instruction sheet (packaged with Dorman 600-600)
IF THE IMAGE IS TOO SMALL, click it.

IF3.GIF
1235 hits | 64.4 KB | Posted: 4/5/12
Instruction sheet (packaged with Dorman 600-600)
IF THE IMAGE IS TOO SMALL, click it.

IF4.GIF
1168 hits | 56.26 KB | Posted: 4/5/12
Instruction sheet (packaged with Dorman 600-600)
IF THE IMAGE IS TOO SMALL, click it.

IF5.GIF
1223 hits | 48.46 KB | Posted: 4/5/12
Instruction sheet (packaged with Dorman 600-600)
IF THE IMAGE IS TOO SMALL, click it.

IF6.GIF
1308 hits | 40.43 KB | Posted: 4/5/12
Instruction sheet (packaged with Dorman 600-600)
IF THE IMAGE IS TOO SMALL, click it.

IF7.GIF
6520 hits | 48.45 KB | Posted: 4/5/12
Instruction sheet (packaged with Dorman 600-600)
IF THE IMAGE IS TOO SMALL, click it.