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Chery Tiggo. Manual - part 27

2.0L ENGINE MECHANICAL

GENERAL INFORMATION

02-77

Description

02-77

Operation

02-77

Specifications

02-77

Special Tools

02-81

Lubrication System

02-84

DIAGNOSIS & TESTING

02-87

Engine Performance Diagnostics

02-87

Engine Mechanical Diagnostics

02-88

Cylinder Compression Pressure Test

02-90

Cylinder Head Gasket Test

02-90

ON-VEHICLE SERVICE

02-91

Accessory Drive Belt

02-91

Removal & Installation

02-91

Air Cleaner Element

02-92

Removal & Installation

02-92

Air Cleaner Housing

02-93

Removal & Installation

02-93

Cylinder Head Cover

02-93

Removal & Installation

02-93

Camshaft

02-94

Removal & Installation

02-94

Cylinder Head

02-97

Removal & Installation

02-97

Front Crankshaft Oil Seal

02-99

Removal & Installation

02-99

Rear Crankshaft Oil Seal

02-100

Removal & Installation

02-100

Engine Mounts

02-103

Removal & Installation - Left Mount

02-103

Removal & Installation - Right Mount

02-104

Removal & Installation - Front Mount

02-104

Removal & Installation - Rear Mount

02-105

Engine Assembly

02-105

Removal & Installation

02-105

Engine Timing Belt

02-112

Removal & Installation

02-112

Exhaust Manifold

02-115

Removal & Installation

02-115

Intake Manifold

02-117

Removal & Installation

02-117

Idler Pulley

02-119

Removal & Installation

02-119

Oil Filter

02-119

Removal & Installation

02-119

Oil Pan

02-120

Removal & Installation

02-120

Oil Pump

02-121

Removal & Installation

02-121

Oil Strainer

02-122

Removal & Installation

02-122

ENGINE UNIT REPAIR

02-123

Engine Block

02-123

Specifications

02-123

Disassembly

02-123

Inspection

02-125

Assembly

02-125

Pistons

02-126

Specifications

02-126

Disassembly

02-127

Inspection

02-128

Assembly

02-130

Connecting Rods

02-131

Specifications

02-131

Disassembly

02-131

Inspection

02-132

Assembly

02-132

Crankshaft

02-133

Specifications

02-133

Disassembly

02-133

Inspection

02-134

Assembly

02-135

CYLINDER HEAD UNIT REPAIR

02-136

Cylinder Head

02-136

Specifications

02-136

Disassembly

02-136

Inspection

02-138

Assembly

02-138

Camshaft

02-139

Specifications

02-139

Disassembly

02-140

Inspection

02-140

Assembly

02-142

Valve & Valve Guides

02-143

Specifications

02-143

Disassembly

02-143

Inspection

02-144

Assembly

02-145

Valve Springs

02-146

Specifications

02-146

Disassembly

02-146

Inspection

02-147

Assembly

02-148

GENERAL INFORMATION

Description

The 2.0L in-line four cylinder engine has the following features:

• Dual overhead camshafts

• Four valves per cylinder

• Aluminum cylinder head

• Aluminum cylinder block

Operation

The 2.0L engine utilizes 4 valve-per-cylinders and a dual overhead camshaft design. The engine uses an individual
coil ignition system. The cylinder block is made of aluminum and the bearing caps are integrated into the lower cyl-
inder block assembly. An aluminum oil pan bolts to the bottom of the lower cylinder block. The camshafts are
mounted in the cylinder head and act against valve tappets to open and close the valves. The camshafts are driven
off the front of the cylinder head by one timing belt. The belt is driven by a sprocket that is located on the crankshaft.
The piston assembly is an aluminum piston with a cast iron connecting rod.

The aluminum cylinder head contains dual overhead camshafts with 4 valve-per-cylinder construction. The valves are
arranged in two in-line banks. The cylinder head incorporates powdered metal valve guides and seats. The cylinder
head is sealed to the block using a multi-layer steel head gasket and retaining bolts.

Specifications

2.0L Engine Specifications

DESCRIPTION

SPECIFICATION

Type

In-Line OHV, DOHC

Number of Cylinders

Compression Ratio

10:1

Compression Pressure

10 - 15 bar

Max. Compression Pressure Variation Between
Cylinders

25%

Stroke

90 mm

Bore

83.5 mm

Displacement

1971 cc

Firing Order

1-3-4-2

Mechanical Specifications

DESCRIPTION

ITEM

STANDARD

LIMIT

Engine Oil Pressure

Lower Idle Speed (800 ±

50 RPM)

1.2 - 1.5 bar

High Idle Speed (2000

RPM)

3.2 - 3.5 bar

High Speed (4000 RPM)

3.7 ± 0.5 bar

Engine Block Clearance

Surface Distortion

0.15 mm

Inner Diameter

83.500 - 83.510 mm

Out-Of-Round

< 0.008 mm

Taper

< 0.01 mm

Piston Ring Groove
Clearance

First Ring

0.04 - 0.08 mm

Second Ring

0.0251 - 0.01 mm

DESCRIPTION

ITEM

STANDARD

LIMIT

Piston Ring End Gap
Clearance

First Ring

0.2 - 0.4 mm

0.8 mm

Second Ring

0.4 - 0.6 mm

1.0 mm

Piston To Piston Pin
Clearance

0.002 - 0.013 mm

Piston Diameter

83.451 - 83.469 mm

Ring Groove Clearance

First Ring

0.04 - 0.08 mm

Second Ring

0.01 - 0.0251 mm

Connecting Rod Radial
Clearance

0.016 - 0.051 mm

Connecting Rod Axial
Clearance

0.002 - 0.013 mm

Diameter Of Crankshaft
Main Journals

53.981 - 54 mm

Diameter Of Crankshaft
Rod Journals

47.884 - 47.9 mm

Out-Of-Round Maximum
Of Crankshaft Main
Journals

< 0.008 mm

Axial Clearance Of
Crankshaft

0.07 - 0.265 mm

Radial Clearance Of
Crankshaft

0.0035 - 0.034 mm

Coaxality Crankshaft Main
Journal

< 0.005 mm

Thrust Washer Thickness

2.4 - 2.405 mm

Oil Clearance Of
Crankshaft Rod and Main
Journals

0.022 mm

0.058 mm

Cylinder Head Flatness

< 0.04 mm

Intake Valve Deflection

< 0.02 mm

Exhaust Valve Deflection

< 0.04 mm

Spring Height

47.7 mm

Spring Height At 620
Newtons Of Pressure

32.0 mm

Intake Cam Lobe Height

37.15 mm

Exhaust Cam Lobe Height

37.05 mm

Camshaft Journal #1 Outer
Diameter

31.934 - 31.95 mm

Camshaft Journal #2, #3,
#4, #5, Outer Diameter

23.947 - 23.96 mm

Camshaft Cam Bearing #1
Inner Diameter

32 - 32.025 mm

Camshaft Cam Bearing
#2, #3, #4, #5, Inner
Diameter

24 - 24.021 mm

Camshaft Journal #1
Clearance

0.05 - 0.091 mm

Camshaft Journal #2, #3,
#4, #5 Clearance

0.04 - 0.074 mm

GENERAL INFORMATION

DESCRIPTION

ITEM

STANDARD

LIMIT

Intake Camshaft Axial
Clearance

0.15 - 0.20 mm

Exhaust Camshaft Axial
Clearance

0.15 - 0.20 mm

Intake Valve Guide
Clearance

0.012 - 0.043 mm

Exhaust Valve Guide
Clearance

0.032 - 0.063 mm

Valve Outer Diameter

Intake Valve

5.98 ± 0.008 mm

Exhaust Valve

5.96 ± 0.008 mm

Valve Guide Inner
Diameter

Intake Valve

5.4 ± 0.1 mm

Exhaust Valve

5.4 ± 0.1 mm

Fringe Thickness On Top
Of Valve

Intake Valve

0.3 ± 0.15 mm

Exhaust Valve

0.3 ± 0.15 mm

Valve Tilt Angle

Intake Valve

65°

Exhaust Valve

68°

Valve Height

Intake Valve

107.998 mm

Exhaust Valve

106.318 mm

Torque Specifications

CAUTION:
When torquing a fastener in two steps, DO NOT use a torque wrench for the second step.

DESCRIPTION

TORQUE (N·m)

Accessory Drive Belt Tensioner Pulley Bolt

Camshaft Bearing Cap Bolts

Clutch Pressure Plate Bolts

Connecting Rod Cap Bolts

1st Step: Tighten the bolt to 25 N·m

2nd Step: Tighten the bolt an additional 90°

Crankshaft Holder

Crankshaft Main Bearing Cap Bolts

1st Step: Tighten the bolt to 45 N·m

2nd Step: Tighten the bolt an additional 180°

Crankshaft Timing Belt Pulley Bolt

1st Step: Tighten the bolt to 130 N·m

2nd Step: Tighten the bolt an additional 65°

Crankshaft Vibration Damper Bolts

Cylinder Head Cover Bolts

Cylinder Head Bolts

1st Step: Tighten the bolt to 40 ± 5 N·m

2nd Step: Tighten the bolt an additional 90 ± 5°

3rd Step: Tighten the bolt an additional 90 ± 5°

Dipstick Bracket Bolts

Drive Plate Bolts (automatic transaxle)

Engine Left Mount Bolt

Engine Right Mount Bolt

Engine Front Mount Bolt

Engine Rear Mount Bolt

GENERAL INFORMATION

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