Exhaust Valve Selection Table

Lifter No. and 
Thickness

Gap

Engine

Engine Mechanical Systems JL4G15-D

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2.16.2 System Working Principle
2.16.2.1 System Working Principle

For  specific  working  descriptions,  Refer  to

2.6

 

Engine

Mechanical  System  JL4G18-D

in

2.6.3.1

 

System  Working

Principle

.

Legend

1. TDC: Top Dead Center
2. BDC: Bottom Dead Center
3. ATDC: After Top Dead Center
4. BTDC: Before Top Dead Center

5. ABDC: After Bottom Dead Center
6. BBDC: Before Bottom Dead Center

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Engine Mechanical Systems JL4G15-D

Engine

2.16.3 Removal and Installation
2.16.3.1 

4G15-D 

Mechanical 

Parts

Disassemble Instructions

Other  than  using  an  electronic  throttle  body  instead  of  the
mechanical throttle body, there is no difference between this
engine  mechanical  parts  4G15-D  engine.  Therefore  this
section only lists electronic throttle body replacement. For other
parts replacement, Refer to

2.6.8

 

Removal and Installation

in the

"Engine Mechanical System 4G18-D".

2.16.3.2 Electronic Throttle Body Replacement

Removal Procedure:

Warning!

Warning:  Refer  to  "Battery  Disconnection  Warning"  in
"Warnings and Notices".

FE02-8012b

1.

Disconnect  the  battery  negative  cable.  Refer  to

2.11.8.1

 

Battery Disconnection

.

2.

Remove intake manifold from the throttle body.

3.

Disconnect  throttle  control  valve  wiring  harness
connector.

FE02-8013b

4.

Remove throttle body retaining bolts and nuts, and two
retaining nuts from the throttle body bracket.

Engine

Engine Mechanical Systems JL4G15-D

2-833

FE02-0103b

5.

Remove throttle body from the intake manifold.

6.

Clean the engine throttle body and intake manifold mating
surface and replace with a new gasket.

Installation Procedure:

FE02-8013b

1.

Install and tighten throttle body retaining bolts and nuts.

Torque: 15 Nm (Metric) 11 lbf-ft (US English)

FE02-8016b

2.

Connect throttle control valve wiring harness connector.

3.

Install intake manifold.

4.

Connect the battery negative cable.

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Engine Mechanical Systems JL4G15-D

Engine