Billet Specialties Premium Tru Trac Serpentine System - Big Block Chrysler | HEMI - Manual (Page 6)

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Figure 1: Prepping The Block
Disconnect battery; remove all existing accessory drive brackets and
components from motor. Remove water pump and housing, scrape away any
existing gasket material with a gasket scraper and dress surface with a Scotch
Brite® pad. Clean and prep threads on engine block at water pump, use a
3/8-16 thread chaser if necessary. Thread chasers are available at your local auto
parts store or tool dealer and are different from a thread cutting tool.
Apply RTV sealer to one end of the 3/8-16 x 3” threaded stud and thread stud
into the driver side top water pump mount hole. Next apply RTV sealer to one
end of the 3/8-16 x 4-1/4” stud and thread into the lower driver side mount hole
and tighten. Apply RTV sealer to one end of the remaining 3/8-16 x 3-1/2” stud
and thread into the bottom passenger side mount hole and tighten. The studs
can easily be tightened by threading two 3/8-16 zinc coated nuts onto the stud
and tighten them against each other to act as a drive nut*. Apply anti-seize the
exposed threads of the studs at this time. Check installed height of studs by
sliding water pump housing on to the studs. There should be 1/2” of exposed
threads on the top stud and 1” of exposed thread on the bottom studs.
*Example
(A)
1”
1”
1/2”