Volkswagen Golf Variant / Jetta. Manual - part 497

 

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Volkswagen Golf Variant / Jetta. Manual - part 497

 

 

Overview - Transmission

Name
-Arrows- point in the direction of travel

1 - Engine
2 - Clutch
3 - Manual Transmission
4 - Input Shaft
5 - Output Shaft
6 - Differential

Ratio
-Arrows- point in the direction of travel

4

2. Overview - Transmission    

5

Transmission Ratio “i”, Calculating

Example:

 

5th Gear

Final Drive

Drive gear

ZG1 = 37

ZA1 = 14

Driven gear

ZG2 = 50

ZG2 = 69

i = Z2 : Z1. Refer to 

1)

iG = gear ratio = ZG2 : ZG1 = 37 : 50 = 0.740
iA = axle ratio = ZA2 : ZA1 = 69 : 14 = 4.929
itotal = total ratio = i G x iA = 0.740 x 4.929 = 3.647

1) Z1 = Number of teeth on the drive gear, Z2 = Number of teeth on the driven

gear

6

General Repair Information

⇒ “4.1 General Information”, page 7
⇒ “4.2 Components”, page 7

4.1

General Information

The highest level of care and cleanliness along with tools that

function properly are required to ensure a proper and successful

transmission repair. Of course the general safety precautions also

apply when carrying out repair work.
A list of general instructions that apply to multiple repair proce‐

dures throughout the repair manual are summarized once here

under the “Components” section. Refer to

⇒ “4.2 Components”, page 7

 . They apply to this repair manual.

4.2

Components

⇒ “4.2.1 Transmission”, page 7
⇒ “4.2.2 O-Rings, Gaskets, Seals and Sealant”, page 8
⇒ “4.2.3 Circlips”, page 8
⇒ “4.2.4 Bolts and Nuts”, page 9
⇒ “4.2.5 Bearings”, page 9
⇒ “4.2.6 Shims”, page 9
⇒ “4.2.7 Synchronizer Rings”, page 10
⇒ “4.2.8 Gear Wheels, Synchronizer Hubs and Needle Bearing

Sleeve”, page 10
⇒ “4.2.9 Selector Gears”, page 10
⇒ “4.2.10 Clutch”, page 10

4.2.1

Transmission

♦ Make sure that the alignment bushings between the engine

and transmission are positioned correctly when installing the

manual transmission.

♦ Clean the contact surfaces when installing brackets and

waxed components. Contact surfaces must be free of wax and

grease.

♦ Allocate the bolts and other components. Refer to the Parts

Catalog.

♦ Check the transmission fluid level after installation. Refer to

⇒ “5 Transmission Fluid, Checking”, page 111

 .

♦ Capacities. Refer to

⇒ “1.2 Codes, Transmission Allocation and Capacities”, page

2

 .

4. General Repair Information    

7

 

 

 

 

 

 

 

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