Front Hub bearing replacement 2002 GT

[tblake]

Like Doc said, ohm check the wires. You would be suprized how they can "look" good but have an "open" internally. I'd be willing to bet that some new wires soldered in there can fix your issue.

[mrrdeac]

Thanks Tblake. I plan on checking the wires where they go into the ABS module to verify resistance. I am still trying to confirm the connector pin out. Here is what I have now (post from jesnevets for a 2001 GT)

RR Signal: Pin 2
RR Low Ref: Pin 3
RF Signal: Pin 4
RF Low Ref: Pin 5
LF Signal: Pin 20
LF Low Ref: Pin 21
LR Signal: Pin 22
LR Low Ref: Pin 23

Do you have this info for a 2002 GT?

[mrrdeac]

I fianlly got around to checking the wiring today. I removed the connector from the ABS module and measured the resistance from each hub. Wiring to both rear hubs was good. But the wiring to BOTH front hubs is bad. I have located the wiring harnesses at newgmparts.com. But I do not know the exact cost (will not know until Monday when newgmparts.com folks are back to work). I guess i could just splice in my own twisted pair wires (of course they would have to be soldered in and have heat shrink tubing) but I will wait to see how much the harness is first.
Does anyone know how much the harnesses are (a GM mechanic told me $50).

[doctorhrdware]

What I do when using heat shrink tubbing on car wire harness. I also inject silicone rubber into the heat shrink tubbing before I shrink the tubbing for a good water seal on the soldered section of the wire.

[tblake]

good tip Dr. Hardware! I've never thought of that, but I'd be willing to bet it works well as 3m I think has butt connectors like that that your crimp down, and then shrink with a lighter and silicone oozes out.

[mrrdeac]

I got back to this problem this weekend. I purchased new wiring harnesses from newgmparts.com (two separate part numbers for right 10340315; left 10340317). The parts come with a special splice to be soldered in where the wiring harness joins the larger harness. They also come with shrink tubing. I did some research and identified a special type of shrink tubing that is made for wet environments (called marine shrink tubing). It has an adhesive inside that melts and flows around the wire/insulation when it is heated. So I used that heat shrink in addition to the one provided in the GM parts. As suspected, after they were removed the breaks in the old sires were pretty obvious. The GM parts also come with new wire loom (corrugated plastic shield) and the mounting hardware attached to the loom at the correct places to mount to the frame, etc. The replacement went without a hitch.

I also noticed a tie rod end that was worn and the grease cup was split. So I replaced that while I was at it too!!!

When I started the car, the ABS and Trac lights both went out (after the ABS module completed initial test). I have driven the car for 3 days now (300 miles) with no issue. I will update again next week.

[doctorhrdware]

Thanks for the update, some times it is hard to find the marine heat shrink tubing. That is why I suggested the silicone injected in the tubing.