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DD-LT-R4-TR - LT Truck R4 A/C Bracket

All threaded holes in the block and cylinder head should cleaned and tapped with a thread chaser. All bolts being installed should be lubed with a light oil or anti-seize on the bolt threads before assembly.

Read all of the instructions before you start the assembly. Lube all bolt threads before installing. Torque the 10MM bolts to 28 FT LBS and the 8MM bolts to 18/ FT LBS. Bolt the rear bracket to the passenger cylinder head by putting the "A" spacers between the bracket and the head. You will use 2 10MMX60 flat head, 1 10MMX60 socket head, and 1 8MMX60 socket head bolts. 

GM Gen V LT Sanden 508 Install

 

GM Gen V LT Sanden 508 Install

 

Bolt the front plate to the rear plate by placing the 3 "B" spacers between the plates and using 3 flat head 10MMX100 bolts.

 

GM Gen V LT Sanden 508 Install

 

GM Gen V LT Sanden 508 Install

 

Mount the compressor between the two brackets. The "C" spacer will be placed between the backside of the rear bracket and the compressor ears.

 

 

GM Gen V LT Sanden 508 Install

 

Mount the tensioner onto the front plate using the spacer under the tensioner.

 

GM Gen V LT Sanden 508 Install

 

Install the idler pulley onto the front bracket. The spacer is installed between the front plate and the idler stand.

 

GM Gen V LT Sanden 508 Install

 

Belt Sizes-
 

With Dirty Dingo LT Alternator/Power Steering Brackets

Dirty Dingo Type 1 power steering pump-

R4, large P/S pulley, large case alt, idler lower hole- Gates K060984

R4, small P/S pulley, large case alt, idler high hole- Gates K060970

R4, large P/S pulley, small case alt, idler lower hole- Gates K060975

R4, small P/S pulley, small case alt, idler high hole- Gates K060956

R4, large P/S pulley, LT alt, idler lower hole- Gates K060994

R4, small P/S pulley, LT alt, idler high hole- Gates K060980

 

Dirty Dingo Type 2 power steering pump-

R4, small case alternator, small P/S pulley- Gates K060956

R4, largel case alternator, small P/S pulley- Gates K060970

R4, large P/S pulley, LT alt, idler lower hole- Gates K060980

R4, small P/S pulley, LT alt, idler high hole- Gates K060966

 

Small case alternators are 135 amp and lower. Large Case alternators are 140 amp and higher.

Large case is on the left-

 

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