1991 Ford Ranger technical service bulletins
55 technical service bulletins and manufacturer communications cover the 1991 Ford Ranger.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Some vehicles equipped with an automatic transmission and a 4.0L ohv engine may exhibit a noise /...
- Some vehicles equipped with the 4.0L ohv engine may exhibit an engine noise which may be perceived by the...
- Owner notification program supplement 7 revised information - regarding replacement of wilderness at tires
- Some vehicles may exhibit heater core leaks
- Information regarding transmission fluid usage charts
- On some vehicles, engine oil may continue to leak from the engine oil pan gasket area after an engine oil...
- Subject regarding contamination from prior transmission concerns or excess wear may be trapped in the...
- Information regarding the new transmission cooler flusher- service tip
- Some vehicles equipped with manual transmission may exhibit neutral gear rollover noise (a light metallic...
- Subject on a wire harness terminal repair kit available for repairing electrical wiring harnesses
- Vehicles equipped with manual transmission may exhibit neutral gear rollover noise which occurs at idle...
- Information on identifying non-approved / alternate refrigerants which could cause safety, and performance...
- Service tip information on revised oil pan gasket replacement procedure
- Some vehicles may exhibit an engine noise which may be perceived by the customer as a piston / connecting...
- Information on the new flush and fill tool available through rotunda
- Some vehicles may exhibit an audible pinging or creaking noise that may be heard from the driveline when...
- Experiencing a whine / buzz type noise in the speakers of the entertainment radio or two-way radio on...
- Some vehicles may experience axle wind up and / or clunking, popping, ratcheting type noises when making...
- Ford motor company now recommends sae 5W-30 viscosity grade for servicing any ford gasoline-powered...
- Information on maintaining tire pressure
- Ford motor company has released a new electrical grease ( F8AZ - 19G208-AA ) to reduce the possibility of...
- Mass air flow (maf)- sensor contamination- service tip
- Information on a new transmission fluid usage chart
- Information on tire company telephone numbers for customer assistance
- Information on a buzzing or rattle noise from the exhaust system
- Recommended guidelines for towing behind recreational vehicles
- The use of petroleum-based grease as a lubricant in servicing disc brakes is no longer acceptable
- A comprehensive pull and drift diagnostic procedure has been developed to assist technicians with vehicle...
- A grabbing and/or sticking condition during the first few brake applications when the brakes are cold or...
- Announcing the ford OEM air conditioning retrofit kit availability
- Concerns with axle wind-up and / or clunking, popping, ratcheting type noises when making cornering maneuvers
- Subject regarding a new service center support that uses a thrust bearing (#3 and #4) in place of thrust...
- Information regarding comprehensive pull and drift diagnostic procedure developed to assist technicians...
- Concerns with "pinging" or "creaking" being heard from the driveline when shifting from park to drive or...
- Authorized warranty part replacement of brake pads to correct excessive brake noise
- Fuel economy- customer expectations versus vehicle usage
- Fluid- transmission fluid usage charts
- Frame- rivet replacement with bolts- service tips
- 4.0L equipped vehicles may experience temperature gauge fluctuation that may be accompanied with a...
- 4.0L equipped vehicles may experience temperature gauge fluctuation that may be accompnied with a thumping...
- Transaxle - torque converter replacement guidelines and torque converter/transaxle cooling system cleaning...
- Wiring - electrical diode identification and service replacements
- Torque converter - leak test procedure - service tip
- Noise - pinging or creaking from driveline when vehicle is put into gear
- Windshield and interior glass - fog/film
- 4X4 front axles must use hypoid 4X4 gear oil p/n F1TZ-19580-A & high temp 4X4 front axle & wheel bearing...
- The use of petroleum-based grease as a lubricant in servicing disc brakes is no longer acceptable because...
- High altitude transmission available
- Temperature gauge - fluctuating and /or inaccurate high readings
- Cooling system-pulsating coolant flow-noise-knock/thump - audible in passenger compartment
- Vehicles may have a disconnect of the ignition control module (ICM) connector or moisture buildup within...
- A knocking/thumping noise may be audible in the passenger compartment on some vehicles due to steam...
- Special field action - 94L04 - rangers equipped with 2.3L dual spark plug engines, may not have had the...
- Unknown
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