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As promised. Pic update. The last one reminds a little of the top down view of the M270s I used to maintain. Lol

I have been gathering parts needed to replace all the tie tod ends and front shocks in the near future. Spent time today cleaning everything to put the rear diff back together this coming week. Biggest move forward lately has been putting paint on the cargo box finally. I will update photos...

Hello all! Does any one have the manufacturer and part number of the amber strobe lights used on the roof of the m1031? thank for all replies! dean

I did a search and found this. It might be useful for you. https://www.musclecarsandclassics.ca/wheels/spare-tire/jacking-instructions/chevy-gmc-truck-jacking-instruction-decal-1985-1986

Now if only I could find the seals for the front diff in the parts manual…

After further perusal in the -34P I did find that you are correct. Thank you.

M1008 front axle nsn 2520-01-155-7454 M1031 front axle nsn 2520-01-155-7453

Good evening All, I have been doing dangerous things again … reading the TMs. Please someone tell me the difference between the front axle on an M1008 and the front axle on an M1031. I see that they have different NSNs and a difference in the LO for service. The front on the M1031 gets 4 ounces...

The TSB recommending removal and the approved GM removal procedure: GMC NUMBER: 88-T-151 GROUP: 5 - Brakes DATE: August, 1988 CORPORATE NUMBER: 865010R SUBJECT: REAR BRAKE SENSITIVITY - HEIGHT SENSING VALVE REMOVAL MODELS: 1984-86 C/K 3500 AND 1987-88 R/V 3500 THIS BULLETIN IS A REVISION...

Sounds good to me. I will inspect the bearings closely before I put it all back together.

Good evening all, Just looking for input. I am now shopping for rear diff rebuild kits and no spin parts. Has anyone had any experience with the following items: Power Torque Differential Rebuild Kit - 744A004 Yukon (YK GM14T-A) Master Overhaul Kit for GM 14T Differential 4.8 4.8 out of 5...

Good afternoon, all. Looking for assistance and thoughts today. I finally had a chance to remove the rear diff cover today. Thinking I would finally up the rear end so I could think about putting the box back on. I found a lost of rust in the gear oil, more importantly there was a LOT of metal...

A question for the community. does anyone have access to an M1031 SCEM body that is not going to used or may be available for parts? I am looking to replace the shelves that were removed on the driver’s side of the box, all three compartments past the generator controls. And maybe one on the...

Brown 383 is 30051 Green 383 is 34094 Black is 37030 thanks for all the responses. School is out now so I should be able to get more done over the next few weeks.

Good evening all! I finally have progress to report. 1. rear brakes are complete 2. Front brakes and hubs had already been serviced by the PO (fire dept) 3. Happy to report that going to home depot to get behr paint is not as difficult as the painting thread had described. Giving the 5 digit...

Very true! The last time I rebuilt any axle was about 1985 while working as a technician for a pontiac dealer.

9-2320-289-34P Typo

TM 9-2320-20-34P Figure 98 Item 30

Thank you for the facebook link for the usb ports.

On my 1986 M1031 the frame location for the VIN is on the top of the frame on the right side behind the cab. I had the bed (work box) off when I found it.