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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Mechanical - 8.1L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Crankshaft Balancer Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
IMPORTANT:
  • The balancer should be positioned onto the end of the crankshaft as straight as possible prior to tool installation.
  • Apply grease or clean engine oil to the inside of the crankshaft balancer or the end of the crankshaft, to prevent galling during assembly.
    Fig 1: Installing Crankshaft Balancer Using J 42845
    GM639539Courtesy of GENERAL MOTORS CORP.
  1. Install the balancer onto the end of the crankshaft.
  2. Install J 42845  to the crankshaft balancer. See Special Tools .
    IMPORTANT: Apply the lubricant that comes with J 42845  each time the tool is used. See Special Tools . Failure to lubricate the J 42845  may prevent the balancer from installing completely. See Special Tools .
  3. Using J 42845  install the balancer. See Special Tools .
  4. Tighten the J 42845  until the crankshaft balancer is completely seated against the crankshaft sprocket. See Special Tools .
    5. Fig 2: View Of J 42845
    GM639542Courtesy of GENERAL MOTORS CORP.
  5. Remove the J 42845  from the crankshaft. See Special Tools .
    6. Fig 3: View Of Crankshaft Balancer Bolt & Washer
    GM470799Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  6. Install the crankshaft bolt and washer to the crankshaft.

    Tighten:  Tighten the crankshaft balancer bolt to 255 N.m (189 lb ft).

  7. Remove the J 42847  . See Special Tools .
  8. Install the starter motor. Refer to Starter Motor Replacement (4.3L Engine) or Starter Motor Replacement (4.8L, 5.3L, and 6.0L Engines) or Starter Motor Replacement (8.1L Engine) or Starter Motor Replacement (6.6L (LLY) Engine) in Engine Electrical.
  9. Install the fan. Refer to Fan Replacement (Diesel) or Fan Replacement (Gasoline) in Engine Cooling.
  10. Install the A/C belt. Refer to Drive Belt Replacement - Air Conditioning .
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