SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2001SUBURBAN C1500REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 7 (AUTOMATIC TRANSMISSION - 4L80-E - UNIT REPAIR OVERHAUL)TRANSMISSION OVERHAULCASE EXTENSION ASSEMBLY INSTALLATION
2001 Chevrolet Suburban C1500

Case Extension Assembly Installation

2001 Chevrolet Suburban C1500SECTION Case Extension Assembly Installation
WARNING: This page is about a different variant/trim than selected.

Tools Required

    Fig 1: Installing J 38869 On Prop Shaft Front Slip Yoke Oil Seal Assembly
    GM40647Courtesy of GENERAL MOTORS COMPANY
  1. Install the prop shaft front slip yoke oil seal assembly (20) (model dependent) with the J 38869  or the DT-38694 Seal Installer  (for fixed yoke applications). Apply J 36850 or equivalent to the spring pocket of the seal.
    2. Fig 2: View Of Case Extension Components
    GM40648Courtesy of GENERAL MOTORS COMPANY
  2. Install the transmission output shaft yoke seal sleeve (682) and the output shaft seal (683) (for some models).
  3. Install the output shaft seal (675) (for some models).
  4. Install the bearing spacer (18), case extension ball bearing assembly (17) and the bearing retainer ring (16) (for some models).
  5. Install the case extension seal (15) onto the case extension assembly (19).
  6. Install the case extension assembly (19) onto the transmission case.
  7. Refer to FASTENER NOTICE in Cautions and Notices.

    Install the case extension bolts (21).

    Tighten 

    Tighten the bolts to 34 N.m (25 lb ft).

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.