RDX AWD L4-2.3L Turbo (2010)
Drive Belt Tensioner: Testing and Inspection
Drive Belt Auto-Tensioner Inspection
Special Tools Required
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Belt Tension Release Tool Snap-on YA9317 or equivalent, commercially available
*Available through the Acura Tool and Equipment program, 888-424-6857.
1. Turn the ignition switch to ON (II), and make sure to turn the A/C switch OFF, then turn the ignition switch to LOCK (0).
2. Check the position of the drive belt auto-tensioner indicator's pointer (A). Start the engine, then check the position again with the engine idling. If
the position of the indicator moves or fluctuates a lot, replace the drive belt auto-tensioner See: Service and Repair/Drive Belt Auto-Tensioner
Removal/Installation.
3. Check for abnormal noise from the tensioner pulley. If you hear any abnormal noise, replace the drive belt auto-tensioner pulley See: Service and
Repair/Drive Belt Auto-Tensioner Pulley Replacement.
4. Remove the drive belt See: Drive Belt/Service and Repair.
5. Move the drive belt auto-tensioner within its limit using the belt tension release tool in the direction shown. Check that the tensioner moves
smoothly and without any abnormal noise. If the tensioner does not move smoothly, or you hear abnormal noise, replace the drive belt
auto-tensioner See: Service and Repair/Drive Belt Auto-Tensioner Removal/Installation.
6. Remove the drive belt auto-tensioner See: Service and Repair/Drive Belt Auto-Tensioner Removal/Installation.
7. Clamp the drive belt auto-tensioner (A) by using two 8 mm bolts (B) and a vise (C) as shown. Do not clamp the drive belt auto-tensioner itself.
