Valve Guides, Checking: Procedure:

WARNING: This page is about a different car, the 2014 Volkswagen Touareg, 2013 Volkswagen Touareg, 2012 Volkswagen Touareg, and 2011 Volkswagen Touareg. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

If the valve is replaced during repair, use the new valve for measurement.

Due to different stem diameters, only use an intake valve in the intake guide and an exhaust valve in the exhaust guide.

-- Secure the Dial Gauge - 0-10mm:VAS6079 on the cylinder head with the Dial Gauge Holder:VW387 as shown in the illustration.

Fig 1: Determining Valve Rock (Wear Limit)

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Place the valve in the valve guide.

Valve stem tip must seal with valve guide.

-- Determine the tilting clearance.

Wear limit: 0.8 mm.

-- If the wear limit is exceeded, measure using new valves.

-- Replace the cylinder head if the wear limit is still exceeded.

NOTE:

The valve guides cannot be replaced.