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You can get to the drain hoses where they exit the rear cab wall. That’s about it…the rest is hidden behind pillar covers and headliner. Fold the seatbacks down. Remove the black plastic cab wall cover. It has a bunch of plastic clips in the middle and the top edge hooks onto some sheet...

More pics…

A sticking caliper can create a thump, but only when using the brakes. You might take a drive and put the AT in 2nd or 3rd gear. Then roll on/off the throttle using engine compression to twist the driveline back & forth. This will tell you if the thump occurs without using the brakes.

Looks normal to me. These trucks have sloppy drivelines. At that mileage, you should probably replace the t-case chain…but I would not expect a huge improvement. As for the ring & pinion lash…you can’t really judge that from grabbing the driveshafts. This is because some of the looseness you...

150k on a 4L60e is about it. They just don’t seem to be very durable. I just had one rebuilt and upgraded in a 2006 H3…$3300. I’ve got another H3 with 152k and it seems to have some harsh shifting issues.

I've had all this stuff listed on here for some time...getting no action. So I decided to put it on here as a "package deal". It doesn't get any better than this unless you break out the torch & welder. This is the unicorn front diff that everyone wants, along with some other goodies. Here's...

Drill out the old ones. Re-tap the plastic to a larger size bolt, (plastic taps like butta). If that doesn't work, or if you want to keep the factory screw size...grab some riv-nuts (McMaster-Carr) and install them in place of the originals screw holes.

Yeah that's one of mine...THORparts.com. I have three front bumpers remaining. $1400 plus shipping.

BOOM! Latest THORparts build. 2009 Alpha T LP/AP, D44 front, 10b rear, 488s, locked, part-time t-case conversion, chromo axles front & rear, 37"s, Trail-gear steering box, ram-assist, air-bag rear, blah blah...6" of lift. Video walk-around coming soon...

THORparts.com Thats me by the way. I have three front bumpers in stock. $1400 plus shipping.

Black. Great shape. $2500 obo. Pickup in IN for the next two weeks. After that, pickup in NJ. SOLD!

Factory GM gears are made by AMM. They are face-hobbed (2-cut) and the heel & toe of the teeth are the same depth. Backlash clearance is .003"-.006" (tighter than aftermarket gearsets). Yukon, G2, USA, blah blah, and most other aftermarket gears are all face-milled (5-cut). This results in a...

C0136 - faulty brake booster (electric on the H3). B0010 - open circuit in the reverse lights. Check the harness by the rear bumper, often wires get chafed here. Also look for rodent bite marks. U1064 - no communication between the numerous brains (PCM-TCM-BCM). U1305 - hi/lo voltage on com...

Air trapped in the heater loop. I just bought a vacuum radiator purge/fill kit for this purpose. I need it to purge a customer's Jeep JK. Same issue...heat only works on acceleration, and lots of gurgling noises coming from the passenger firewall. I've tried standing the vehicle on the...

I clean my drain hoses out with plastic weed-eater line.

I currently have three customers looking for solid frames (or sections thereof). H3s are RUSTY vehicles.

I would do a SOA before the re-arch. Works good with the Rancho kit.

Could be lots of stuff... Motor mount. Front shock bolts. Skid plate bolts. Front driveshaft. Ball joints. T-case chain. Rear driveshaft. Excessive lash in one or both diffs. Can you describe the "thump" better? Does it happen from a dead stop (or from a slow roll)? Does it happen every...

How much for the steering rack? I have (2) of them. One is a GM, with estimated 100k miles...perfect condition. The other is aftermarket 500 miles...also perfect but, missing the bushings (sold with the Mayham kit). $40 each. Steering rack and knuckles prices? I have (2) racks $40 each (see...

Got another SAS project going...more stuff for sale. This time from a 2009 H3T Alpha AP LP.... Fiberglass slantback bed topper...black. Great shape. SOLD! Steering rack DUMPSTER! Halfshafts (150k miles)…GM. SOLD! Front diff crossmember (second design) SOLD! Front diff - cast iron...