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**68SWB4x4** · 08-22-2015, 12:52 PM

Write up on body mount replacement.
http://carmelvalleyclassics.com/2015...t-replacement/

https://youtu.be/qUOU-RymPqs

Parts List

Energy Suspension part # 3.411OG

VHT Rust Converter

Bolts

Radiator Support *7/16 by 3.5" carriage bolt (somewhat hard to find)
Position 1: Kept original
Position 2 3/8 by 6" carriage bolt
Position 3 3/8th by 3.5" hex bolt<
Position 4 3/8th by 6" carriage bolt
position 5 3/8th by 7" carriage bolt

*Note** If going with original style bushings and not poly the bolt sizes will be about 1" inch shorter

Couple tips to keep in mind before doing this job yourself.

SOAK every bolt in PB Blaster
Buy all new bolts in advance (some kits come with new hardware)
Pull carpet back to get to carriage bolts
Be prepared to have to cut every bolt
Loosen every bolt before hand then do one side at a time (driver and passenger)
Prep and treat the frame once removed for rust damage.

Once you have all the bolts loosened in every position and have removed every ground strap and anything else that would restrict movement of the body place a jack with block of wood under the front body brace up near the 2nd position mount, run a long 2x4 across the brace to distribute the weight as much as possible to prevent body damage.

Slowly raise the jack checking to make sure nothing is in a bind or that the jack isn't causing any indention on the body. Once there is enough room to remove the old bushings pull them out and now clean the mount area with a wire wheel on a drill or whatever method you prefer and repaint/treat for rust.

For the back two positions you may need to move the jack to back near the shackle. I did on the drivers but not on the passenger side?

hand tighten all bolts and do the same on the opposite side. While you are at it you might as well clean up your frame rails for paint

1st position Cab mount with original hardware

Before/after original mounts on passenger side new on drivers

Original 5th position mount

old vs new 5th position

Rust damage and cleaned up on 5th position

Used VHT rust converter to stop further damage

http://carmelvalleyclassics.com/2015...t-replacement/

08-22-2015, 12:52 PM	#148
68SWB4x4 Strongman Garage Join Date: Apr 2000 Location: Salinas, CA Posts: 10,241	Re: 68 GMC 4x4 Suburban build up Write up on body mount replacement. http://carmelvalleyclassics.com/2015...t-replacement/ https://youtu.be/qUOU-RymPqs Parts List Energy Suspension part # 3.411OG VHT Rust Converter Bolts Radiator Support 7/16 by 3.5" carriage bolt (somewhat hard to find) Position 1: Kept original Position 2 3/8 by 6" carriage bolt Position 3 3/8th by 3.5" hex bolt< Position 4 3/8th by 6" carriage bolt position 5 3/8th by 7" carriage bolt Note** If going with original style bushings and not poly the bolt sizes will be about 1" inch shorter Couple tips to keep in mind before doing this job yourself. SOAK every bolt in PB Blaster Buy all new bolts in advance (some kits come with new hardware) Pull carpet back to get to carriage bolts Be prepared to have to cut every bolt Loosen every bolt before hand then do one side at a time (driver and passenger) Prep and treat the frame once removed for rust damage. Once you have all the bolts loosened in every position and have removed every ground strap and anything else that would restrict movement of the body place a jack with block of wood under the front body brace up near the 2nd position mount, run a long 2x4 across the brace to distribute the weight as much as possible to prevent body damage. Slowly raise the jack checking to make sure nothing is in a bind or that the jack isn't causing any indention on the body. Once there is enough room to remove the old bushings pull them out and now clean the mount area with a wire wheel on a drill or whatever method you prefer and repaint/treat for rust. For the back two positions you may need to move the jack to back near the shackle. I did on the drivers but not on the passenger side? hand tighten all bolts and do the same on the opposite side. While you are at it you might as well clean up your frame rails for paint 1st position Cab mount with original hardware Before/after original mounts on passenger side new on drivers Original 5th position mount old vs new 5th position Rust damage and cleaned up on 5th position Used VHT rust converter to stop further damage http://carmelvalleyclassics.com/2015...t-replacement/ __________________ Kalle 68 GMC Suburban 1500 4x4 SOLD 69 Pontiac Lemans 99 Silverado 4.8 5 speed ECSB [ Facebook Instagram Subscribe on YOUTUBE Last edited by 68SWB4x4; 08-22-2015 at 12:57 PM.