Jeep Grand Cherokee WK. Manual - part 1490

HYDRAULIC FLOW IN DRIVE - SECOND TO FIRST GEAR TRANSITION

21 - 770

AUTOMATIC TRANSMISSION - NAG1 - SERVICE INFORMATION

WK

SPECIFICATIONS

GEAR RATIOS

1ST

3.59:1

2ND

2.19:1

3RD

1.41:1

4TH

1.00:1

5TH

0.83:1

REVERSE

3.16:1

SPECIFICATIONS

COMPONENT

METRIC (mm)

INCH (in.)

Geartrain End-play

0.3-0.5

0.012-0.020

Geartrain End-play Shim

0.2, 0.3, 0.4, and 0.5

0.008, 0.012, 0.016, 0.020

Rear Planetary Gear Set End-play

0.15-0.6

0.006-0.024

Rear Planetary Gear Set Snap-rings

3.0, 3.4, and 3.7

0.118, 0.134, 0.146

B1 Clutch Clearance -

Double Sided Friction

Discs

2 Disc

2.3-2.7

0.091-0.106

3 Disc

2.7-3.1

0.106-0.122

4 Disc

3.0-3.4

0.118-0.134

B1 Clutch Clearance -

Single Sided Friction Discs

4 Disc

2.2-2.6

0.087-0.102

6 Disc

2.4-2.8

0.095-0.110

8 Disc

2.6-3.0

0.102-0.118

B1 Clutch Snap-rings

2.6, 2.9, 3.2, 3.5, 3.8, and

4.1

0.102, 0.114, 0.126, 0.138,

0.150, 0.162

B2 Clutch Clearance

4 Disc

1.9-2.3

0.075-0.091

5 Disc

2.0-2.4

0.079-0.095

B2 Clutch Snap-rings

2.9, 3.2, 3.5, 3.8, and 4.1

0.114, 0.126, 0.138, 0.150,

0.162

B3 Clutch Clearance

1.0-1.4

0.039-0.055

B3 Clutch Snap-rings

3.2, 3.5, 3.8, 4.1, 4.4, and

4.7

0.126, 0.138, 0.150,

0.162, 0.173, 0.185

K1 Clutch Clearance -

Double Sided Friction

Discs

3 Disc

2.7-3.1

0.106-0.122

4 Disc

3.0-3.4

0.118-0.134

5 Disc

3.3-3.7

0.13-0.146

6 Disc

3.6-4.0

0.142-0.158

K1 Clutch Clearance -

Single Sided Friction Discs

6 Disc

2.4-2.8

0.095-0.110

8 Disc

2.6-3.0

0.102-0.118

10 Disc

2.8-3.2

0.110-0.126

12 Disc

2.9-3.3

0.114-0.130

K1 Clutch Snap-rings

2.6, 2.9, 3.2, 3.5, 3.8, and

4.1

0.102, 0.114, 0.126, 0.138,

0.150, 0.162

K2 Clutch Clearance

3 Disc

2.3-2.7

0.091-0.106

4 Disc

2.4-2.8

0.095-0.110

5 Disc

2.5-2.9

0.099-0.114

6 Disc

2.7-3.1

0.106-0.122

WK

AUTOMATIC TRANSMISSION - NAG1 - SERVICE INFORMATION

21 - 771

COMPONENT

METRIC (mm)

INCH (in.)

K2 Clutch Snap-rings

2.3, 2.6, 2.9, 3.2, 3.5, and

3.8

0.091, 0.102, 0.114, 0.126,

0.138, 0.150

K3 Clutch Clearance -

Double Sided Friction

Discs

3 Disc

2.3-2.7

0.091-0.106

4 Disc

2.4-2.8

0.095-0.110

5 Disc

2.5-2.9

0.099-0.114

K3 Clutch Clearance -

Single Sided Friction Discs

6 Disc

2.3-2.7

0.091-0.106

8 Disc

2.4-2.8

0.095-0.110

10 Disc

2.5-2.9

0.099-0.114

K3 Clutch Snap-rings

2.0, 2.3, 2.6, 2.9, 3.2, and

3.5

0.079, 0.091, 0.102, 0.114,

0.126, 0.138

TORQUE SPECIFICATIONS

DESCRIPTION

N·m

Ft. Lbs.

In. Lbs.

Bolt, B2 Clutch Carrier

16

-

141

Bolt, B1 Carrier to

Converter Housing

10

-

88.5

Bolt, Oil Pump

20

-

177

Nut, Propeller Flange

200

147.5

-

Nut, 4X4 Adapter Shaft

200

147.5

-

Bolt, Electrohydraulic Unit

8

-

71

Bolt, Transmission

Housing to Converter

Housing

20

-

177

Bolts, 4X4 Adapter

Housing

20

-

177

Bolts, Oil Pan

8

-

71

Screws, Valve Body/

Housing Side Cover

4

-

35

Bolt, Shift Plate

8

-

71

Bolt, Solenoid Leaf Spring

8

-

71

Nut, Shifter Mechanism to

Floor Pan

12

-

105

21 - 772

AUTOMATIC TRANSMISSION - NAG1 - SERVICE INFORMATION

WK

SPECIAL TOOLS - AUTOMATIC
TRANSMISSION - NAG1

Dial Indicator - C-3339

Handle, Universal - C-4171

Bar, Gauge - 6311

End Play Set - 8266

Adapter, Geartrain End-play - 8266-18

Compressor, Multi-use Spring - 8900

WK

AUTOMATIC TRANSMISSION - NAG1 - SERVICE INFORMATION

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