Chevy Caprice, Impala Repair Manual 1979-1989

SKU: CH28422-989
Chevy Caprice, Impala Repair Manual 1979-1989
Chevy Caprice, Impala Repair Manual 1979-1989
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Item Description

This Chilton DIY repair and service manual covers the following 1979-1989 Chevy cars, U.S. and Canadian models:

  • Chevrolet Caprice
  • Chevrolet Caprice Classic
  • Chevrolet Impala

Book Excerpt: 1979-1989 Chevy Caprice, Caprice Classic, Impala Repair Manual


(See Figures 223, 224, 225, 226 and 227)

Connecting rod bearings for the engines covered in this guide consist of two halves or shells which are interchangeable in the rod and cap.

When the shells are placed in position, the ends extend slightly beyond the rod and cap surfaces so that when the rod bolts are torqued the shells will be clamped tightly in place to insure positive seating and to prevent turning. A tang holds the shells in place.

The ends of the bearing shells must never be filed flush with the mating surface of the rod and cap.

If a rod bearing becomes noisy or is worn so that its clearance on the crank journal is sloppy, a new bearing of the correct undersize must be selected and installed since there is no provision for adjustment.

WARNING! Under no circumstances should the rod end or cap be filed to adjust the bearing clearance, nor should shims of any kink be used.

Inspect the rod bearings while the rod assemblies are out of the engine. If the shells are scored or show flaking, they should be replaced. If they are in good shape check for proper clearance on the crank journal (see below).

Any scoring or ridges on the crank journal means the crankshaft must be replaced, or reground and fitted with undersized bearings.

If turbo V6 crank journals are scored or ridged the crankshaft must be replaced, as regrinding will reduce the durability of the crankshaft.

Checking Bearing Clearance and Replacing Bearings

Make sure connecting rods and their caps are kept together, and that the caps are installed in the proper direction.

Replacement bearings are available in standard size, and in undersizes for reground crankshaft. Connecting rod-to-crankshaft bearing clearance is checked using Plastigage or an equivalent gauging material at either the top or bottom of each crank journal.




The cruise control actuator switch on most Chevrolet full size vehicles with factory or dealer installed systems is located on the steering column. Please refer to Section 8 of this manual for removal and installation procedures.

BRAKE RELEASE SWITCH (See Figures 29 and 30)

All factory or dealer installed cruise control systems for these vehicles are equipped with either a brake or clutch release switch. The purpose of the switch is to deactivate the system when the driver begins to depress the pedal.

Most of these switches found on earlier models are vacuum break switches which will therefore have a vacuum line attached to the rear of the switch.

On later vehicles, many of the switches are electric and may even be combined with other switches (such as the brake light switch).

The switches are mounted using one of two possible methods. Some earlier switches are mounted using a locknut. Later switches are normally mounted using an interference clip which holds ribs on the switches neck.

Subject: 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989 Chevy Caprice, Impala service, maintenance, repair. ISBN-10: 0801985315 | ISBN-13: 9780801985317 | Chilton 28422

  • Publisher: Chilton Manuals
  • Pages: 296 - Hundreds of b&w photos and illustrations
  • Binding: Paperback - 8.5 x 11 inches
  • ISBN: 978-0-8019-8531-7
  • Years: 1979 - 1989
Table of Contents
TABLE of CONTENTS: Introduction: About this manual | Introduction | Vehicle identification numbers | Maintenance techniques, tools and working facilities | Buying parts | Jacking and towing | Booster battery (jump) starting | Conversion factors | Automotive chemicals and lubricants | Safety first! | Troubleshooting
  • Tune-up and routine maintenance
  • Engine and overhaul procedures
  • Cooling, heating and air-conditioning systems
  • Fuel and exhaust systems
  • Engine electrical systems
  • Emissions control systems
  • Transmission
  • Brakes
  • Suspension and steering systems
  • Body
  • Chassis electrical system
  • Wiring diagrams
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Chevy Caprice, Impala Repair Manual 1979-1989
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