1991 Ford F-150 technical service bulletins
45 technical service bulletins and manufacturer communications cover the 1991 Ford F-150.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Some vehicles may exhibit heater core leaks
- Information regarding transmission fluid usage charts
- Subject regarding contamination from prior transmission concerns or excess wear may be trapped in the...
- TRANSMISSION-E40D-NO 2-3 upshift
- Transmission- E40D/4R100-1989-99-MAIN controls, separator plates and separator plate gaskets usage chart
- Vehicles may experience solid particle contaminants from prior transmission concerns or excess wear, may...
- Information regarding the new transmission cooler flusher- service tip
- Subject on a wire harness terminal repair kit available for repairing electrical wiring harnesses
- Information on identifying non-approved / alternate refrigerants which could cause safety, and performance...
- 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...
- Ford motor company has released a new electrical grease ( F8AZ - 19G208-AA ) to reduce the possibility of...
- 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
- Some vehicles may exhibit a drift or pull to the left while braking
- Announcing the ford OEM air conditioning retrofit kit availability
- Some vehicles may exhibit a flashing transmission control indicator lamp (TCIL) and diagnostic trouble...
- Concerns with axle wind-up and / or clunking, popping, ratcheting type noises when making cornering maneuvers
- Some vehicles may exhibit a flashing transmission control indicator lamp (TCIL) and diagnostic trouble...
- Fuel economy- customer expectations versus vehicle usage
- Fluid- transmission fluid usage charts
- Frame- rivet replacement with bolts- service tips
- Accessory drive belts- fead belt comes off- vehicles with 4.9L engine
- Noise- "popping/creaking"- front frame or suspension brackets- frame- "popping/creaking"- fastener replacement
- 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
- Windshield and interior glass - fog/film
- Service tip information regarding the reverse clutch piston and piston seal usage
- 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...
- Vehicles experiencing occasional harsh reverse engagement concerns
- Steering gear-replacement of bendix, steering gear with new ross steeering gear
- Revised design transmission rear case bushing
- Delayed forward engagement and/or heat stained forward clutch plates after installing center support service
- Unknown
- Knocking noise on initial start-up
- Revised oil pan gasket
- New design transmission range sensor
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