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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 812 (Automatic Transmission - 4L60-E/4L65-E (Service & Replacement)) >> Repair Instructions >> Pressure Regulator Replacement >> Removal Procedure

Removal Procedure

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  1. Remove the transmission filter. Refer to AUTOMATIC TRANSMISSION FLUID/FILTER REPLACEMENT  .
  2. Compress the reverse boost valve sleeve into the bore of the oil pump to release tension on the reverse boost valve retaining ring.
  3. Remove the reverse boost valve retaining ring, then slowly release tension on the reverse boost valve sleeve.
    Fig 1: Removing Reverse Boost Valve Retaining Ring
    G02111773Courtesy of GENERAL MOTORS CORP.
  4. Remove the reverse boost valve sleeve (5) and the reverse boost valve (4).
  5. Remove the pressure regulator isolator spring (3) and the pressure regulator valve spring (2).
  6. Remove the pressure regulator valve (1).
    Fig 2: Removing Pressure Regulator & Components
    G02111774Courtesy of GENERAL MOTORS CORP.
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