Crankshaft, Measuring Radial Clearance: Procedure
WARNING: This page is about a different car, the 2018 Audi Q3 Quattro, 2018 Audi Q3, 2017 Audi Q3 Quattro, and 2017 Audi Q3. However, it is still accessible from the selected car via links, so may be relevant.
- Use the old bolts for radial clearance measurement.
- Replace any worn bearing shells
-- Remove the crankshaft bearing cap and clean the bearing cap and pin.
-- Place the Plastigage® over the entire bearing width on the pin or in the bearing shells.
- Plastigage® must rest in center of bearing shell.
-- Mount the crankshaft bearing cap and tighten with the old bolts -1 to 10-. Refer to Figure. Do not turn the crankshaft while doing so.
-- Remove the crankshaft bearing cap again.
-- Compare the width of Plastigage® with the measuring scale.
Radial clearance:
- New: 0.017 to 0.037 mm.
- Wear limit: 0.15 mm.
-- Replace the bolts for the final assembly.