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Old 04-20-2008, 02:51 PM   #1 (permalink)
Diesel Champ
Join Date: Aug 2005
Location: Portland, OR
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bolt torque specs

Hiya, I'm looking for the bolt torque specs for

oil pan bolts

starter bolts

motor mounts through bolt & frame bolts.


2015 Chevy Silverado 2500HD Duramax/Allison

1984 GMC Rally Custom G25 6.2L N/A fluiddampr NV4500 NP241 14 bolt & Dana 44HD 8 lug 4.10

1966 GMC K10 Suburban 4x4 future home of a 6.5TD
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Old 04-20-2008, 09:49 PM   #2 (permalink)
Diesel Head
Join Date: May 2005
Posts: 568
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Oil pan bolts .................................. 4-7 ft-lb
Oil pan bolts rear ........................13-20 ft-lb
engine mount to cylinder block bolts 30-40 ft-lbs
engine mount to frame mount...........25-35 ft-lb
Frame to frame mount.................Not Specified
Starter through bolt............................33 ft-lb



'82 Blazer 6.2, 3.42, 32 inch tires. 15-16 mpg average over 10,000 miles city, highway & 4x4. 10k on new engine Courtesy of GM Proving Grounds; have a used Banks currently being installed.
I Rebuilt 91 4L60 transmission ("K" Case) with upgraded clutches, input drum, Monster Sun gear shell, HD low stall torque converter, etc. Should have used new 5 gear planetaries.

'91 2500 V 4x4 Suburban, 350 - sucks gas 10mpg
'05 Ford Exploder, 4x2, 25k Gas mileage is less than '95
Professional auto technology student Mesa CC, AZ for 15 years. Started when I retired to keep from loosing my marbles. Nice to use their lifts, tools. Owned auto repair shop (LA) in the early 50's before I Joined the Air Force. GI Bill - Materials Engineer.
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