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SERVICING AND MAINTENANCE 347 along a rib (not across) are not normal. Any belt with cracks running along a rib must be replaced. Also have the belt replaced if it has excessive wear, frayed cords or severe glazing. Accessory Belt (Serpentine Belt) Conditions that would require replacement: Rib chunking (one or more ribs has separated from belt body) Rib or belt wear Longitudinal belt cracking (cracks between two ribs) Belt slips “Groove jumping" (belt does not maintain correct position on pulley) Belt broken (note: identify and correct problem before new belt is installed) Noise (objectionable squeal, squeak, or rumble is heard or felt while drive belt is in operation) Some conditions can be caused by a faulty component such as a belt pulley. Belt pulleys should be carefully inspected for damage and proper alignment. use of special tools, we recommend having your vehicle serviced at an authorized dealer. D RAINING F UEL /W ATER S EPARATOR
F ILTER
There are two fuel filter assemblies. One is located on the driver's side of the engine. The best access to this water drain valve is from under the hood. The second one is on the under body, located in front of the rear axle above the drive shaft on pick-up models. The second filter location is on the frame behind the front axle. The best access to this water drain valve is from under the vehicle. If water is detected in the water separator while the engine is running, or while the ignition switch is in the ON position, the “Water In Fuel Indicator Light” will illuminate and an audible chime will be heard five times. At this point you should stop the engine and drain the water from both of the filters. If the “Water In Fuel Indicator Light” comes on and a single chime is heard while you are driving, or with the ignition switch in the ON position, there may be a problem with your water separator wiring or sensor. See an authorized dealer for service. filters, the “Water In Fuel Indicator Light” will remain illuminated for approximately 10 seconds. If the water was drained while the engine was running, the “Water In Fuel Indicator Light” may remain on for approximately three minutes. NOTE: Care should be taken in disposing of used fluids from your vehicle. Used fluids, indiscriminately discarded, can present a problem to the envi - ronment. Contact an authorized dealer, service CAUTION! Do not drain the fuel/water separator filter when the engine is running. Diesel fuel will damage blacktop paving surfaces. Drain the filter into an appropriate container. CAUTION! If the “Water In Fuel Indicator Light” remains on, DO NOT START the engine before you drain water from the fuel filters to avoid engine damage. 8 |