LEMON Manuals: Even more car manuals for everyone
Home >> Audi >> 2019 >> Q7 Prestige >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Cylinder Head, VALVETRAIN [CYMC] (Servicing)) >> 15 Cylinder Head, VALVETRAIN >> Intake And Exhaust Valves >> Valve Guides, Checking

Valve Guides, Checking

WARNING: This page is about a different variant/trim than selected.

Special tools and workshop equipment required 

Test Sequence

Fig 1: Identifying Dial Gauge With Holder
GWWN15-10914Courtesy of AUDI OF AMERICA, LLC

-- Insert the valve into guide. The valve stem end must be flush with the guide. Due to differences in valve stem diameter, only use intake valves in intake valve guides, and exhaust valves in exhaust valve guides.

-- Determine the tilting clearance.

Wear Limit 

Intake Valve Guide Exhaust Valve Guide
0.60 mm 0.60 mm