Repair when you can Engine and engine cooling
Loose or broken VANOS unit bolts can result in an engine stall, increasing the risk of a crash.
The aluminum bolts that secure the housing for the variable camshaft timing adjustment (VANOS) unit can loosen over time and possibly break.
What to do: Book it in at your next service. There is no deadline and no charge.
Free repair · 157,796 vehicles affected
Read campaign 23V707000 on NHTSA.gov ↗