Pump Chain and Sprocket

WARNING: This page is about a different car, the 2007 Lincoln MKX and 2007 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

Clean and inspect the pump chain and sprocket assembly for damage or wear and install new components as necessary.
- Check the drive chain for wear, damage, stretching or tightness of the chain links.
- Check the chain sprockets for excessive wear in the chain contact areas and thrust washer areas.

Fig 1: Checking Chain Sprockets For Excessive Wear In Chain Contact Areas & Thrust Washer Areas

Courtesy of FORD MOTOR CO.