Section 7A2 · Pages 661–726 (66 pages)
Hydra-Matic 4L80-E Automatic Transmission
From the 1991 Chevrolet Light Duty Truck Unit Repair Manual
4L80-E unit repair: sprag, center support and gear unit, intermediate, forward, fourth and overrun clutches, overdrive unit and carrier, turbine shaft, pump, front and rear end play checks, front servo and band apply pin check, rear servo accumulator, control valve and accumulator housing, pan and filter, case extension, speed sensors and torque converter, with disassembled views and torque specifications.
Read this section free, starting at page 661What this section covers
- Clutch assemblies
- Overdrive unit
- Pump
- End play checks
- Servos and band apply pin
- Control valve and pressure switch manifold
- Speed sensors and torque converter
- Year
- 1991
- Make
- Chevrolet
- Vehicle
- C/K Trucks, G Vans, Light Duty Trucks, M Vans (Astro/Safari), P Forward Control, R/V Trucks, S/T Trucks, Trucks
- Models
- C/K, R/V, G, M, S/T, P
- Publication
- ST 333-91
- Pages
- 855
What’s inside
Unit repair manual
- Foreword and ContentsForeword, metric fastener caution, safety notice, title page and the section table of contents.pp. 1–6
- 0AGeneral Informationpp. 7–22
- 1B1A-6 Air Conditioning Compressorpp. 23–34
- 1B2V-5 Air Conditioning Compressorpp. 35–48
- 1B3R-4 Air Conditioning Compressorpp. 49–62
- 1B4HR-6HE Air Conditioning Compressorpp. 63–76
- 1B5SD-709 Air Conditioning Compressorpp. 77–84
- 3B2Manual Steering Gearpp. 85–90
- 3B3Power Steeringpp. 91–108
- 4B17-1/2 and 7-5/8 Inch Ring Gear Axlespp. 109–122
- 4B28-1/2 Inch Ring Gear Axlepp. 123–136
- 4B39-1/2 Inch Ring Gear Axlepp. 137–150
- 4B410-1/2 Inch Ring Gear Axlepp. 151–162
- 4B5Dana Rear Axlespp. 163–192
- 4B612 Inch Ring Gear Axle (Rockwell)pp. 193–204
- 4B7Locking Differentialpp. 205–216
- 4C18-1/2 Inch Ring Gear Front Axlepp. 217–230
- 4C29-3/4 Inch Ring Gear Front Axlepp. 231–246
- 4C37-1/4 Inch Ring Gear Front Axlepp. 247–270
- 4C48-1/4 and 9-1/4 Inch Ring Gear Front Axlespp. 271–298
- 4C5All Wheel Drive Front Axle (7-1/4 Inch)pp. 299–320
- 5Brakespp. 321–336
- 6AGeneral Engine Mechanicalpp. 337–358
- 6A12.5L L4 Enginepp. 359–392
- 6A22.8L V6 Enginepp. 393–420
- 6A34.3L V6 Enginepp. 421–452
- 6A5V8 Engines (5.0L, 5.7L, 7.4L)pp. 453–496
- 6A76.2L Diesel Enginepp. 497–534
- 6C1TBI Unit Model 220pp. 535–540
- 6C2TBI Unit Model 700pp. 541–546
- 6D1Series Generatorspp. 547–558
- 6D2CS-144 Generatorpp. 559–566
- 6D3SD Starting Motorspp. 567–578
- 6D4Distributorspp. 579–584
- 7A1Hydra-Matic 4L60 Automatic Transmissionpp. 585–660
- 7A2Hydra-Matic 4L80-E Automatic Transmissionpp. 661–726
- 7B1New Venture Gear 5LM60 Manual Transmissionpp. 727–772
- 7B2New Venture Gear 117 Manual Transmissionpp. 773–794
- 7B3Borg Warner T5 Manual Transmissionpp. 795–810
- 7D1New Process 205 Transfer Casepp. 811–822
- 7D2New Process 241 Transfer Casepp. 823–836
- 7D3New Process 231 Transfer Casepp. 837–855







