components as necessary. TEST the system for normal operation. | |
Accessory drive belt incorrectly installed. | CHECK the accessory drive belt is correctly installed in the pulley grooves. INSTALL a new accessory drive belt as necessary. REFER to: Accessory Drive Belt . TEST the system for normal operation. |
Pulley(s). | CHECK the pulley(s) for damage, freedom of rotation, stone entrapment and alignment. INSTALL new components as necessary. TEST the system for normal operation. |
Lubricant or other contamination. | CHECK the accessory drive belt for contamination or damage. RECTIFY the source of the leak and INSTALL a new accessory drive belt. REFER to: Accessory Drive Belt . TEST the system for normal operation. |
CHECK that the accessory drive belt is running centrally on the flat pulleys. TEST the system for normal operation.
NOTE: Chirp is defined
CHECK the pulleys for excessive
as a twittering noise, often Pulley misalignment (usually
end float and bent flanges.
intermittent evident at idle).
With the engine running at idle, use a stethoscope to identify the source of the noise. INSTALL new
Accessory drive belt chirp
components as necessary. TEST the system for normal operation.
CHECK the components or
NOTE: Rattle is defined
Loose components or hardware for correct installation
as a metallic knocking noise
hardware. and tighten as necessary. TEST
the system for normal operation.
Accessory drive belt rattle
DIAGNOSIS AND TESTING > ACCESSORY DRIVE > COMPONENT TESTS
Accessory Drive Belt Tensioner - Static Check
Original technical text and illustrations, formatted as HTML. Follow the engine, transmission, equipment, model and year specified in the source. Import and layout checks do not establish applicability to every 2015–2017 Mustang. About this collection.