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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1913 (Automatic Transmission - 4T45-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Off-Vehicle Repair Instructions >> Control Valve Body Spacer Plate and 4-3 Downshift On/Off Solenoid Installation

Control Valve Body Spacer Plate and 4-3 Downshift On/Off Solenoid Installation

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Control Valve Body Spacer Plate and 4-3 Downshift On/Off Solenoid
    GM1776863Courtesy of GENERAL MOTORS CORP.
    NOTE: If necessary clean and inspect the 4-3 solenoid.
  1. Remove the retaining clip bolts (133) and the retaining clip (134).
  2. Remove the 4-3 solenoid (135) and O-Rings (136) from the solenoid block (137). Discard the O-Rings and install NEW.
  3. Inspect all components and replace as necessary.
  4. Install the solenoid (135).
    5. CAUTION: Refer to Fastener Caution .
  5. Install the retainer clip (134) with bolts (133). Tighten the bolts to 4.5 N.m (40 lb in).
    6. Fig 2: Removing & Installing Spacer Plate Support & Spacer Plate
    GM1776849Courtesy of GENERAL MOTORS CORP.
    CAUTION: A new spacer plate assembly must be installed to prevent possible transmission damage.
  6. Install the spacer plate with bonded gaskets assembly (90) on top of the channel plate.
  7. Install the spacer plate support (21) or 4-3 solenoid on hybrid models, and the two bolts (20) onto the spacer plate. Hand start the bolts. Tighten the bolts to 14 N.m (10.5 lb ft).
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