Toyota 3B Instrucciones de funcionamiento

TOYOTA

REPAI R MANUAL

Aug ., 1988

FOREWORD

This repair manual has been prepared to provide information

covering general service repairs for the 8,38, 11B, and 14B

engines mounted on the TOYOTA LAND CRUISER, DYNA and

COASTER.

Applicable models:

8J60,70,73,75 series

8U60, 61, 65, 66,70,76, 83, 84, 87,88, 91, 94,

96 series

8Y34, 43 series

BB21 ,22, 23,30, 32 series

All information in this manual is based on the latest product

information at the time of publication. However specifications

and procedures are subject to change without prior notice.

TOYOTA MOTOR CORPORATION

TOYOTA

B. 38. 11B, 14B- ENGINE

REPAIR MANUAL

INTRODUCTION

ENGINE MECHANICAL

FUEL SYSTEM

COOLING SYSTEM

LUBRICATION SYSTEM

STARTING SYSTEM

CHARGING SYSTEM

SERVICE SPECIFICATIONS

STANDARD BOLT TOROU E SPECIFICATIONS

SST AND SSM

O 1994 TOYOTA MOTOR CORPORATION

reproduced or copied, in whole or in part,

without the written permission of Toyota

Motor Corporation.

tN-1

INTRODUCTION

Page

HOW TO USE THIS MANUAL ........ IN-2

IDENTIFICATION INFORMATION IN-4

GENERAL REPAIR INSTRUCTIONS IN-4

ABBREVIATIONS USED IN THIS MANUAL IN.7 r[

rtN-2 INTRODUCTION - How to Use This Manual

HOW TO USE THIS MANUAL

To assist in finding your way through this manual, the Section

Title and major heading are given at the top of every page'

An INDEX is provided on the 1st page of each section to guide

you to the item to be repaired.

At the beginning of each section, PRECAUTIONS are given

that pertain to all repair operations contained in that section'

Read these precautions before starting any repair task'

TROUBLESHOOTING tables are included for each system to

help you diagnose the system problem and find the cause' The

repaii for eich possible cause is referenced in the remedy

column to quickly lead you to the solution.

REPAIR PROCEDURES

Most repair operations begin with an overview illustration. lt

identifies the components and shows how the parts fit together.

Example:

25O {18, 25}

lnjection Pipe (38)

K& JD*'

-cm (ft-lb, N'm) : Specified torque

a Non-reusable Part

INTRODUCTION - How to Use This Manual rN-3

ride

rto

lhe

edy

lllustration:

what to do and where

The procedures are presented in a step-by-step format:

. The illustration shows whatto do and where to do it.

o The task heading tells what to do.

o The detailed text tells how lo perform the task and gives other

information such as specifications and warnings.

Example:

_---,-f"sk heading: what to do

3. REMOVE INJECTION NOZZLES

Using SST, remove the four nozzles, seats and gaskets.

ssr 09260-4601 3 (09268-4601 2)

..\

Set part No. Component part No.

lnstall and torque the four 1e22lgs.-Detailed text:

Torque: 7OO kg-cm (51 ft-lb, 69 N'm) how to do task

Torque Specifications

This format enables the experienced technician with a FAST

TRACK to the information needed. The upper case heading can

be read at a glance and only when necessary, the test below it

provides detailed information. lmportant specifications and

warnings always stand out in bold type.

REFERENCES

References have been kept to a minimum. However, when they

are required, you are given the page lo go to.

SPECIFICATIONS

Specifications are presented in bold type throughout the text in

the applicable step. You never have to leave the procedure to

look up your specs. All specifications are also found in Appendix

A, specifications, for quick reference.

CAUTIONS. NOTICES, HINTS:

. CAUTIONS are presented in bold type, and indicate there is a

possibility of injury to you or other people.

. NOTICES are also presented in bold type and indicate there is

a possibility of damage to the components being repaired.

. HINT are separated from the text but do not appear in bold.

They provide additional information to help you efficiently

perform the repair.

er.

rINTRODUCTION - ldentification lnformation, General lnstructions

IDENTIFICATION IN FORMATION

ENGINE SERIAL NUMBER

The engine serial number is stamped on the left side of the

cylinder block.

GENERAL REPAIR INSTRUCTIONS

1. Use fender, seat and floor covers to keep the vehicle clean

and prevent damage.

2. During disassembly, keep parts in order to facilitate re-

assembly.

3. Observe the following:

(a) Before performing electrical work, disconnect the

negative cable from the battery terminal'

(b) lf it is necessary to disconnect the battery for inspec-

tion or repair, always disconnect the cable from the

negative (-)terminal which is grounded to the vehicle

bodY.

loosen the terminal nut and raise the cable straight

up without twisting or Prying it.

(d) Clean the battery terminal posts and cable terminal

with a shop rag. Do not scrape them with a file or

other abrasive object.

(e) lnstall the cable terminal to the battery post with the

nut loose, and tighten the nut after installation' Do

not use a hammer to tap the terminal onto the post'

(f) Be sure the cover for the positive (+) terminal is

properly in Place.

4. Check hose and wiring connectors to make sure they are

securely and correctly connected.

5. Non-reusable Parts

(a) Always replace cotter pins gaskets, O-rings, oil seals,

etc. with new ones.

(b) Non-reusable parts are indicated in the component

illustrations bY the " <)" sYmbol.

INTRODUCTION - General Repair lnstructions tN-5

Seal Lock Adhesive

CORRECT

Precoated Parts

Precoated parts are bolts and nuts, etc. Which are coated

with ? seal lock adhesive at the factory.

(a) lf a precoated part is tightened, loosened or caused to

move in any way, it must be recoated with the

specified adhesive.

(b) Recoating of Precoated Parts

(1) Clean off the old adhesive from the bolt, nut or

installation part threads.

(21 Dry with compressed air.

(3) Apply the specified seal lock adhesive to the bolt

or nut threads.

trations by the "*" symbol.

When necessary, use a sealer on gaskets to prevent leaks.

Carefully observe all specifications for bolt tightening

torques. Always use a torque wrench.

Use of special service tools (SST) and special service

materials (SSM) may be required depending on the nature

of the repair. Be sure to use SST and SSM where specified

and follow the proper work procedure. A list of SST and

SSM can be found at the back of this manual.

When replacing fuses, be sure the new fuse is the correct

amperage rating. Do NoT exceed the fuse amp rating or

use one of a lower rating.

Care must be taken when jacking up and supporting the

vehicle. Be sure to lift and support the vehicle at the proper

locations.

(a) lf the vehicle is to be jacked up only at the front or

rear end, be sure to block the wheels in order to

ensure safety.

(b) After the vehicle is jacked up, be sure to support it on

stands. lt is extremely dangerous to do any work on

the vehicle raised on a jack alone, even for a smalljob

that can be finished quickly.

12. Observe the following precautions to avoid damage the

parts:

(a) To disconnect vacuum hoses, pull on the end, not the

middle of the hose.

(b) To pull apart electrical connectors, pull on the con-

nector itself, not the wires.

sensors or relays. lf they are dropped on a hard floor,

they should be replaced and not reused.

the

ean

the

EC-

the

icle

0st,

ght

10.

11.

nal

rOf

the

lls,

Dnt

EM.1

IENGINE MECHANICAL

Page

DESCRTPTTON ........ EM-2

DTESEL ENGTNE DTAGNOSIS ........... .. EM-4

DIESEL ELECTRICAL SYSTEM

DTAGNOSTS I3Bl EM-13

DIESEL ELECTRICAL SYSTEM

DIAGNOSIS [11B and 148] .......

ENGINE TUNE-UP

COMPRESSION CHECK [B and 38] .........

COMPRESSION CHECK [1 1 B and 148] .......

CYLINDER HEAD

TIMING GEARS AND CAMSHAFT

CYLINDER BLOCK

EM-16

EM-19

EM.27

EM-28

EM-29

EM.52

EM-67

EM-2 ENGINE MECHANICAL - Description

DESCRIPTION

B, 38, 1 1 B and 148 ENGINES

The B,38, 11B, and 148 engines are in-line 4-cylinder OHV 8 valve engines with a capacity of 3.O liters (B,

1181, 3.4liters (38) or 3.7 liters (148).

38 Engine (BJ)

148 Engine (BU)

For B and 38 engines, refer to the 38 (BJ) engine, and

for 1 1 B and 148 engines, refer to the 148 (BU) engine. 8S0115 SSO116

8SOr61 BSO162

HINT:

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