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Old 08-09-2017, 06:39 AM   #3
Edahall
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Join Date: May 2011
Location: Goliad, TX
Posts: 672
Re: 89 Suburban 3/4 Heavy Towing Pkg.

Quote:
Originally Posted by kwmech View Post
May have to go under the dash and splice a new line out
Agree with the above or just replace the line. While towing a very heavy load up a steep pass, the exhaust manifold on my 6BT Cummins got hot enough to melt these little lines off. I patched it so the A/C would work for the rest of the trip but later replaced the line that runs under the dash.
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1990 ¾ ton 4x4 Chevy Suburban
-Cummins Diesel - 12 valve - factory rebuilt
-6 speed bullet proof manual transmission - NV5600
-Gear Vendors Overdrive - HX35 Holset Turbo
-NP205 iron transfer case
-3.73 gears -2" Lift
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