Volkswagen Golf / Golf GTI / Golf Variant. Service manual - part 559

 

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Volkswagen Golf / Golf GTI / Golf Variant. Service manual - part 559

 

 

Fasteners

♦ Replace the circlips.
♦ Do not overstretch the circlips.
♦ The circlips must fit completely inside the groove.
♦ Replace the adapter sleeves. Installed position: slot is length‐

wise to line of force.

Bolts and Nuts
♦ Always loosen or tighten bolts and nuts on covers and hous‐

ings diagonally.

♦ Especially delicate parts, such as clutch pressure plates, must

not be distorted. Loosen and tighten bolts and nuts in stages

in a diagonal sequence.

♦ The tightening specifications stated apply to non-oiled nuts

and bolts.

♦ Replace self-locking bolts and nuts after removing them.
♦ Make sure the contact surfaces and visible surfaces on the

nuts and bolts are waxed after assembling.

♦ Use a thread cutter to clean all threaded holes containing self-

locking bolts to remove any locking compound residue. Oth‐

erwise the bolts could shear the next time they are removed.

♦ Please make sure that the thread pitch is correct so that the

proper thread cutter is used during cleaning, and the thread

does not get damaged.

Bearings
♦ Insert the bearings with transmission fluid.
♦ Install the new tapered roller bearings. It is not necessary to

oil them.

♦ Install needle bearings with lettered side (thicker metal) racing

the fitting tool.

♦ Replace all the tapered roller bearings that are on the same

shaft. Use tapered roller bearings from the same manufactur‐

er.

♦ To install, warm the inner races/tapered roller bearing to ap‐

proximately 100 °C (212 °F) with Inductive Heater -

VAS6414- .

♦ Do not interchange outer and inner bearing races with those

from other bearing of the same size. The bearings are paired.

Adjusting Shims
♦ Measure the shims at several locations with a micrometer cal‐

iper. It is possible to measure the necessary shim thickness

by the different tolerances.

♦ Check for burrs and damage.
♦ Only install perfect shims.

Synchronizer Rings
♦ Do not interchange them. When reusing synchronizer rings,

always install to the same gear wheel.

♦ Check for wear and replace if necessary.
♦ Check the grooves -arrow 1- on the synchronizer ring -A- and

the inner race for flat areas (grooves are worn).

♦ The coating on the synchronizer rings must not be damaged.
♦ If an intermediate ring -B- is installed, check this intermediate

ring on the outer friction surface -arrow 2- and inner friction

surface -arrow 3- for »grooves«, »wear grooves« and »blue

coloring (from overheating)«.

♦ Check taper of drive gear for »grooves« and »scoring«.
♦ Coat the synchronizing with transmission fluid and then install.
Toothed Gears, Synchronizer Hubs
♦ Clean and warm to maximum 100 °C (212 °F) using the In‐

ductive Heat Unit - VAS6414- before installing.

♦ Pay attention to the installed location.
Selector Gears
♦ After assembling, check the selector gears for minimum axial

clearance and ease of movement.

Clutch
♦ Do not tilt the clutch pressure plate. Loosen and tighten it di‐

agonally and in small steps.

♦ To reduce odor caused by a burnt clutch, thoroughly clean the

clutch housing and the flywheel running surface with a clean

cloth.

4

Technical Data

⇒ “4.1 Transmission/Engine Allocation”, page 6
⇒ “4.2 Capacities”, page 6
⇒ “4.3 Gear Ratio Calculation”, page 7

4.1

Transmission/Engine Allocation

⇒ “4.1.1 Transmission/Engine Allocation, Golf”, page 6
⇒ “4.1.2 Transmission/Engine Allocation, Golf Wagon”,

page 6

4.1.1

Transmission/Engine Allocation, Golf

Manual Transmission

5-Speed Manual Transmission 0A4

Codes

NZA

 

Manufactured

from

through

06/2013

 

Allocation

Engine

1.8L - 125 kW

 

Ratio

Z1 : Z2

Final Drive

61 : 18 = 3.389

Drive axle flange diameter

100 mm

 

Refer to the Parts Catalog for the following information:
♦ The individual gear ratios
♦ Transmission fluid
♦ Clutch allocation

4.1.2

Transmission/Engine Allocation, Golf Wagon

Manual Transmission

5-Speed Manual Transmission 0A4

Codes

QSY

 

Manufactured

from

through

11/2014

 

Allocation

Engine

1.8L - 125 kW

 

Ratio

Z1 : Z2

Final Drive

61 : 18 = 3.389

Drive Axle flange diameter

100 mm

 

Refer to the Parts Catalog for the following information:
♦ The individual gear ratios
♦ Transmission fluid
♦ Clutch allocation

4.2

Capacities

Manual transmission capacity

(transmission completely disas‐

sembled)

Refer to ⇒  Fluid Capacity Tables; Rep. Gr.  03

Manual transmission capacity

(transmission partly disassembled)

Refer to ⇒  Fluid Capacity Tables; Rep. Gr.  03

4.3

Gear Ratio Calculation

Example:

 

6th Gear

Final Drive

Drive gear

ZG1 = 47

ZA1 = 18

Driven gear

ZG2 = 31

ZA2 = 61

i = Z2 : Z1 (Z1 = number of teeth drive gear, Z2 = number of teeth

driven gear)
iG = gear ratio = ZG2 : ZG1 = 31 : 47 = 0.660
iA= axle ratio= ZA2 : ZA1= 61 : 18= 3.389
itotal = total ratio = iG x iA = 0.660 x 3.389 = 2.237

 

 

 

 

 

 

 

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