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HOMESERVICE MANUALSCHEVROLET1983SUBURBAN C20, 5.7 M, STANDARDREPAIR AND DIAGNOSISTRANSMISSIONAUTOMATIC TRANSOVERHAUL & TESTING - 700-R4/4L60TRANSMISSION REASSEMBLYEXTENSION HOUSING
1983 Chevrolet Suburban C20, 5.7 M, Standard

Extension Housing

1983 Chevrolet Suburban C20, 5.7 M, StandardSECTION Extension Housing
  1. Install speedometer gear and retaining clip on output shaft. If output shaft has 2 locating holes, use hole nearest yoke on Corvette only. Install "O" ring in output shaft sleeve.
  2. Using Seal Installer (J-25016), install output sleeve on output shaft. DO NOT  position output sleeve past machined surface of output shaft. Install seal ring on extension housing.
  3. Position extension housing on transmission case with speedometer bore on governor side of case. Install retaining bolts. Tighten bolts to specification. Using Seal Installer (J-21426), install oil seal in extension housing.
  4. Install speedometer driven gear and fitting assembly. Install retainer and bolt. Tighten bolt to specification. See TORQUE SPECIFICATIONS  . Install outside electrical connector and manual shift lever.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.