Valve Guides, Checking

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2017 Audi Q5, 2016 Audi Q5, 2015 Audi Q5, 2014 Audi Q5, and 2013 Audi Q5. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Dial Gauge Holder VW387
Dial Gauge - 0-10mm VAS6079

Test Sequence

Fig 1: Identifying Dial Gauge With Holder

Courtesy of AUDI OF AMERICA, LLC

-- Insert the valve into guide. Valve stem end must be flush with the guide. Due to differences in valve stem diameter, make sure that only intake valves are used to check intake valve guides, and only exhaust valves are used to check exhaust valve guides.

-- Determine tip clearance.

Wear Limit

Intake Valve Guide	Exhaust Valve Guide
0.80 mm	0.80 mm

NOTE:

If wear limit is exceeded, measure again using new valves. If wear limit is still exceeded, replace cylinder head.

If the valve in the frame is to be replaced as part of a repair, use a new valve for the measurement.