3.5, 3.9 & 4.2 Litre V8 Engine - Overhaul Manual - Land Rover

Oct 29, 2026

Overhaul Manual provides bench overhaul procedures for the 3.5, 3.9 and 4.2 litre V8 engine (with or without suffix B on the engine serial number) fitted to Discovery, Defender, and Range Rover Classic. It explains how to use the manual, filing of revised information, operation sequencing, and meanings of WARNING, CAUTION, and NOTE. It covers references for front/side banks, engine serial number and compression ratio location, and key specification data such as firing order, cylinder layout, warp limits, and valve spring measurements, plus repair and replacement guidance emphasizing Land Rover recommended parts.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages82

Reading Time3 h 27 min

AccessFree to download

Introduction

How to use this Manual

Warnings, Cautions and Notes

References

Engine serial number

Dimensions

Repairs and Replacements

Replacement parts requirements

Specification

General data

Torque wrench settings

3.5/3.9 & 4.2 litre V8 ENGINE Overhaul Manual 3.5, 3.9 & 4.2 LITRE V8 ENGINE OVERHAUL MANUAL These engines, with or without suffix B added to the engine serial number are fitted to the following models: Discovery Defender Range Rover Classic Publication Part No. LRL 0164ENG 2nd Edition 􀀁 2003 Land Rover All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form, electronic, mechanical, recording or other means without written permission from Land Rover. CONTENTS Page INFORMATION INTRODUCTION ...................................................................................................... 1 REPAIRS AND REPLACEMENTS ........................................................................... 2 SPECIFICATION ...................................................................................................... 2 INTRODUCTION INTRODUCTION How to use this Manual To assist in the use of this Manual the section title is given at the top and the relevant sub-section is given at the bottom of each page. This manual contains procedures for overhaul of the V8 engine on the bench with the gearbox, clutch, inlet manifold, exhaust manifolds, coolant pump, starter motor, alternator, and all other ancillary equipment removed. For information regarding General Information, Adjustments, removal of oil seals, engine units and ancillary equipment, consult the Repair Manual. This manual is divided into 3 sections: • Data, Torque & Tools • Description and Operation and • Overhaul To assist filing of revised information each sub-section is numbered from page 1 . Individual items are to be overhauled in the sequence in which they appear in this manual. Items numbers in the illustrations are referred to in the text. Overhaul operations include reference to Service tool numbers and the associated illustration depicts the tool. Where usage is not obvious the tool is shown in use. Operations also include reference to wear limits, relevant data, and specialist information and useful assembly details. WARNINGS, CAUTIONS and NOTES have the following meanings: WARNING: Procedures which must be followed precisely to avoid the possibility of injury. CAUTION: Calls attention to procedures which must be followed to avoid damage to components. NOTE: Gives helpful information. References With the engine and gearbox assembly removed, the crankshaft pulley end of the engine is referred to as the front. References to RH and LH banks of cylinders are taken viewing from the flywheel end of the engine. Operations covered in this Manual do not include reference to testing the vehicle after repair. It is essential that work is inspected and tested after completion and if necessary a road test of the vehicle is carried out particularly where safety related items are concerned. Engine serial number The engine serial number and conpression ratio will be found stamped on a cast pad on the cylinder block between numbers 3 and 5 cylinders. The compression ratio is above the serial number. Dimensions The dimensions quoted are to design engineering specification with Service Limits where applicable. REPAIRS AND REPLACEMENTS When replacement parts are required it is essential that only Land Rover recommended parts are used. Attention is particularly drawn to the following points concerning repairs and the fitting of replacement parts and accessories. Torque wrench setting figures given in this Manual must be used. Locking devices, where specified, must be fitted. If the efficiency of a locking device is impaired during removal it must be renewed. The terms of the vehicle warranty may be invalidated by the fitting of parts other than Land Rover recommended parts. All Land Rover recommended parts have the full backing of the vehicle warranty. Land Rover dealers are obliged to supply only Land Rover recommended parts. SPECIFICAT

FAQs

What vehicle models use this 3.5/3.9/4.2 litre V8 engine overhaul manual?

The manual applies to engines fitted to Discovery, Defender, and Range Rover Classic.

How should the manual’s procedures be followed during overhaul work?

Overhaul items are to be overhauled in the sequence they appear, and operations include service tool references and associated illustrations to show tool usage where it is not obvious.

Where are the engine serial number and compression ratio located?

They are stamped on a cast pad on the cylinder block between cylinders 3 and 5; the compression ratio appears above the serial number.

Oct 29, 2026

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