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goodwrench9124
goodwrench9124, ASE Certified Technician
Category: Chevy
Satisfied Customers: 3420
Experience:  Ase Master Certified, GM Master Certified Tech. Awarded GM Top performer, Hybrid certified
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HOW DO I CHANGE DISTRIBUTOR IN 96 CHEVY BLAZER WITH 4.3 VORTEC

Resolved Question:

No Comment Added
Submitted: 6 years ago.
Category: Chevy
Expert:  goodwrench9124 replied 6 years ago.

Hello, and welcome to JA!!!! fairly simple job. I have included the instructions for disttributor replacement

I hope this info was helpful!!!!

Distributor Removal


    Object Number: 328575  Size: SH

  1. Remove the ignition coil wire harness from the ignition coil and distributor cap.
    Object Number: 34403  Size: SH

  2. Remove the distributor clamp bolt.
  3. Remove the distributor and the distributor clamp.
  4. Remove the distributor gasket and discard.

Object Number: 334551  Size: SH

Important: The engine front cover has 2 alignment tabs and the crankshaft balancer has 2 alignment marks (spaced 90 degrees apart) which are used for positioning number 1 piston at top dead center (TDC). With the piston on the compression stroke and at top dead center, the crankshaft balancer alignment mark (1) must align with the engine front cover tab (2) and the crankshaft balancer alignment mark (4) must align with the engine front cover tab (3).

  • Rotate the crankshaft balancer clockwise until the alignment marks on the crankshaft balancer are aligned with the tabs on the engine front cover and the number 1 piston is at top dead center of the compression stroke.
    Object Number: 301393  Size: SH

  • Remove the distributor cap bolts and discard.
  • Remove the distributor cap.
    Object Number: 43756  Size: SH

  • Install a NEW distributor gasket onto the distributor.
  • Align the indent hole on the driven gear with the paint mark on the distributor housing.
    Object Number: 68505  Size: SH

  • Ensure that the distributor rotor segment points to the cap hold area.
  • Align the slotted tang in the oil pump driveshaft with the distributor driveshaft.

    Rotate the oil pump driveshaft with a screwdriver if necessary.


    Object Number: 310298  Size: SH

  • Install the distributor and distributor clamp.

    The flat in the distributor housing must point toward the front of the engine.


    Object Number: 334555  Size: SH

  • Once the distributor is fully seated, align the distributor rotor segment with the number 6 pointer (1) that is cast into the distributor base.

    If the distributor rotor segment does not come within a few degrees of the number 6 pointer (1), the gear mesh between the distributor and camshaft may be off a tooth or more. Repeat the procedure again in order to achieve proper alignment.


    Object Number: 34403  Size: SH

  • Install the distributor clamp bolt.

    Tighten
    Tighten the distributor clamp bolt to 25 N·m (18 lb ft).


    Object Number: 301393  Size: SH

     

  • Install the distributor cap and NEW distributor cap bolts.

    Tighten
    Tighten the distributor cap bolts to 2.4 N·m (21 lb in).


    Object Number: 387772  Size: SH

  • Install the ignition coil wire harness.
  • goodwrench9124, ASE Certified Technician
    Category: Chevy
    Satisfied Customers: 3420
    Experience: Ase Master Certified, GM Master Certified Tech. Awarded GM Top performer, Hybrid certified
    goodwrench9124 and 11 other Chevy Specialists are ready to help you

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