Adjusting Shims Available for and

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Shim thickness (mm)
0.45	0.81	1.17	1.53	1.89
0.49	0.85	1.21	1.57	1.93
0.53	0.89	1.25	1.61	1.97
0.57	0.93	1.29	1.65	2.01
0.61	0.97	1.33	1.69	2.05
0.65	1.01	1.37	1.73	2.09
0.69	1.05	1.41	1.77	2.13
0.73	1.09	1.45	1.81
0.77	1.13	1.49	1.85

Tolerance variations make it possible to find the exact shim thickness required.

-- Remove the pinion with the old shims "S ₃ *" and "S ₄ *". Refer to PINION, REMOVING AND INSTALLING .

Warm the transmission housing with the Hot Air Blower in the area of the bearing seat -arrows- to approximately 100 °C (212 °F).

Courtesy of AUDI
If necessary slightly cool the double angular contact ball bearing on the pinion for example with commercially available cooling spray.

-- Insert the determined shim "S ₃ *" -1- for example 0.97 mm in the transmission housing.

-- Then insert the pinion -3- quickly without tilting all the way in the transmission housing.

Courtesy of AUDI

Determining the Thickness of the Shim "S ₄ "

Formula: "S ₄ " = 2.54 mm - "S ₃ "

Example:
	Constant value	2.54 mm
-	Shim thickness "S ₃ "	0.97 mm
=	Thickness of the Shim "S ₄ "	1.57 mm

Determine the shim "S ₄ " according to the table. Refer to Adjusting Shims Available for and .

-- Place the determined shim "S ₄ " -2- of for example 1.57 mm on the double angular contact ball bearing.

Installation position of the circlip -1- : the bevel -arrow- points upward and the flat side points to the double angular contact ball bearing.

-- Install the circlip -1- in the transmission housing groove all around.

Performing the measurement check, checking dimension "R"

-- Pinion installed with shims "S ₃ " and "S ₄ ".

-- Install the Universal Mandrel and perform measurement check.

Fig 1: Turning Measuring Mandrel Until Dial Gauge Plunger Tip Touches End Gauge On Pinion Shaft Head And Measure Maximum Runout

Courtesy of AUDI

-- Read out the measured value.

If adjustment shims were determined correctly, dimension "R" must have a clearance of ± 0.05 mm.

TIP:

Check one more time after removing the Universal Mandrel if the dial gauge, with the 2 mm pre-tension, is at "0" with the Measuring Set - Adjustable Master Gauge:VW 385/30 installed.