Engine Mechanical (M13 Engine) - Suzuki Wagon R Plus RB310 Service Manual

ENGINE MECHANICAL (M13 ENGINE)

WARNING:
For vehicles equipped with a Supplemental Restraint (Air Bag) System:
• Service on and around the air bag system components or wiring must be performed only by an
authorized SUZUKI dealer. Refer to "Air Bag System Components and Wiring Location View" under
"General Description" in air bag system section in order to confirm whether you are performing ser-
vice on or near the air bag system components or wiring. Please observe all WARNINGS and "Ser-
vice Precautions" under "On-Vehicle Service" in air bag system section before performing service
on or around the air bag system components or wiring. Failure to follow WARNINGS could result in
unintentional activation of the system or could render the system inoperative. Either of these two
conditions may result in severe injury.
• Technical service work must be started at least 90 seconds after the ignition switch is turned to the
"LOCK" position and the negative cable is disconnected from the battery. Otherwise, the system
may be activated by reserve energy in the Sensing and Diagnostic Module (SDM).
General Description......................................6A2-3
Engine Construction Description.................6A2-3
Engine Lubrication Description ...................6A2-4
Variable Valve Timing (VVT) System
Description ..................................................6A2-5
System description ..................................6A2-5
Oil control valve.......................................6A2-6
Cam timing sprocket................................6A2-6
Timing advancing ....................................6A2-6
Timing holding .........................................6A2-6
Timing retarding ......................................6A2-7
Targeted timing varying operation...........6A2-7
Diagnosis.......................................................6A2-8
Diagnosis Table ..........................................6A2-8
Compression Check....................................6A2-8
Engine Vacuum Check................................6A2-9
Oil Pressure Check ...................................6A2-11
Valve Lash (Clearance) Inspection ...........6A2-13
Shim Replacement ....................................6A2-13
On-Vehicle Service......................................6A2-16
Air Cleaner Element Removal and
Installation .................................................6A2-16
Air Cleaner Element Inspection and
Cleaning ....................................................6A2-17
Knock Sensor Removal and
Installation .................................................6A2-17
Cylinder Head Cover Removal and
Installation .................................................6A2-17
Throttle Body and Intake Manifold
Components..............................................6A2-20
Throttle Body Removal and Installation ....6A2-21
SECTION 6A2
CONTENTS
Intake Manifold Removal and
Installation................................................. 6A2-22
Exhaust Manifold Components ................. 6A2-23
Exhaust Manifold Removal and
Installation................................................. 6A2-24
Oil Pan and Oil Pump Strainer
Components.............................................. 6A2-26
Oil Pan and Oil Pump Strainer Removal
and Installation.......................................... 6A2-26
Engine Mountings Components................ 6A2-29
Unit Repair Overhaul ..................................6A2-30
Engine Assembly Removal and
Installation................................................. 6A2-30
Timing Chain Cover Components............. 6A2-34
Timing Chain Cover Removal and
Installation................................................. 6A2-35
Timing Chain Cover Inspection................. 6A2-38
Oil seal .................................................. 6A2-38
Timing chain cover ................................ 6A2-38
Oil control valve..................................... 6A2-39
Oil gallery pipe ...................................... 6A2-39
Oil Pump Components.............................. 6A2-39
Oil Pump Removal and Installation........... 6A2-40
Oil Pump Disassembly and Assembly ...... 6A2-40
Oil Pump Inspection.................................. 6A2-42
Oil seal .................................................. 6A2-42
Oil pump assembly................................ 6A2-42
Radial clearance ................................... 6A2-43
Side clearance ...................................... 6A2-43
Relief valve spring free length and
load ....................................................... 6A2-43
ENGINE MECHANICAL (M13 ENGINE) 6A2-1
6A2