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1990 Ford F-350 Pickup CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Ford REPAIR SHOPS DON'T WANT YOU TO KNOW
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- A/C & Heater Service
- Brake Service
- Fuel Filter Replacement
- Driveline, U-Joint & CV Axles Replacement
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

A/C & HEATER SERVICE PROCEDURES FOR 1990 Ford F-350 Pickup AUTOMOBILES
A/C & Cooling System Maintenance -> Ford Motor Co. -> 1990-93 Ford Bronco, E-Series, Expedition, F-Series & F-Super Duty
Vehicle: 1990 Ford F-350 Pickup 4.9 L6 GAS
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BRAKE SERVICE PROCEDURES FOR 1990 Ford F-350 Pickup AUTOMOBILES
POWER BRAKE UNITS, FORD -> Bendix Hydro-Boost Brake Booster -> DIAGNOSIS & TESTING -> HYDRA-BOOST LEAK TEST -> PERFORMANCE CHECK -> RESERVE RETENTION CHECK
Vehicle: 1990 Ford F-350 Pickup Super CAB 7.3 V8 DIESEL
Normal hydro-boost units will produce certain noises that current technology cannot correct. These noises occur when brake pedal is manipulated in a manner not associated with everyday braking habits. Normal operating noise can be a hissing, clunk, click or a chatter.
If above normal pedal efforts are applied, the hydra-boost unit will emit hissing noises. These noises will be particularly noticeable with the vehicle motionless and will increase in intensity as pedal efforts increase and system operating temperatures increase. Loud hissing noises at or below normal pedal effo...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 Ford F-350 Pickup AUTOMOBILES
Ford Motor Co. Light Trucks, SUVs & Vans -> Fuel Pressure Relief -> Gasoline Fuel Injected Engines Except Escape, Freestar, Mariner, Monterey, Villager, 2005-06 Aviator, Explorer & Mountaineer, 2005-06 Expedition & Navigator & 2004-06 F150 & Mark LT
Vehicle: 1990 Ford F-350 Pickup 5.8 V8 GAS
The fuel system remains under high pressure even when the engine is not running. This residual pressure must be relieved before servicing the fuel system. To avoid injury or fire, release pressure from the fuel system before disconnecting any fuel line.
The fuel system pressure must be relieved prior to disconnecting fuel lines to prevent accidental spray of fuel.
After the battery ...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 Ford F-350 Pickup AUTOMOBILES
DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble -> Double Cardan -> Single Cardan, Flange Yoke -> Single Cardan, Slip Yoke
Vehicle: 1990 Ford F-350 Pickup 7.3 V8 DIESEL
Single Cardan, Slip Yoke
Disassemble
Do not, under any circumstance, clamp the shaft in the jaws of a vise or similar holding fixture. Denting or localizing fracture can result, causing shaft failure during vehicle operation. Place the shaft on a suitable workbench. Do not damage the tube. If components are not marked and installed incorrectly, driveline imbalance can occur.
- Index-mark the shaft components.
- Remove and discard all four snap rings.
- Clamp bearing cup removal tool No. 205-086 or equivalent in a vise.
- If necessary, use a pair of pliers to remove a bearing cup t...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1990 Ford F-350 Pickup AUTOMOBILES
Starter, Replace
Vehicle: 1990 Ford F-350 Pickup 5.8 V8 GAS
- Disconnect battery ground cable.
- Raise and support vehicle, if required.
- Disconnect electrical connector or solenoid relay wire from starter motor.
- Remove starter motor attach...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1990 Ford F-350 Pickup AUTOMOBILES
Ford Motor Co. Trucks -> Fuel Reset ->
Vehicle: 1990 Ford F-350 Pickup 7.3 V8 DIESEL
The FUEL RESET indicator is grounded through the inertia switch whenever vehicle is in a high force situation. The Inertia F...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 Ford F-350 Pickup AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1990 Ford F-350 Pickup 5.8 V8 GAS
Inlet
- Drain cooling system into a suitable container.
- Reposition hose clamp at heater core and remove hose.
- Reposition hose clamp at coolant tube and remove hose.
- Remove hose from vehicle.
- Reverse procedure t...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1990 Ford F-350 Pickup AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1990 Ford F-350 Pickup 7.3 V8 DIESEL
- Loosen accessory adjustment bolt and pivot bolt.
- Remove belt.
- Reverse procedure to install, adjust belt tension as follows:
- Loosen adjustment bolts then install a suitable belt tension gauge.
- Tighten pivot bolt enough to remove freeplay from pivot area.
- To adjust all belts except alternator, install square drive ratchet wrench or breaker bar to square hole in accessory bracket and tighte...
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COMPONENT LOCATION DIAGRAMS FOR 1990 Ford F-350 Pickup AUTOMOBILES
Component location diagrams for most 1990 Ford F-350 Pickup cars and light trucks sold in the U.S. from 1990+.
![]() Components on diagram: |
![]() Components on diagram: |
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WIRING DIAGRAMS FOR 1990 Ford F-350 Pickup AUTOMOBILES
OEM drawn wiring diagrams for most 1990 Ford F-350 Pickup cars and light trucks sold in the U.S.
![]() Components on diagram: |
![]() Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1990 Ford F-350 Pickup AUTOMOBILES
OEM TSB listings for most 1990 Ford F-350 Pickup cars and light trucks sold in the U.S. from 1985+.
Document: WHINING / BUZZING NOISE COMES THROUGH ENTERTAINMENT OR TWO-WAY RADIO SPEAKER Vehicle: 1990 Ford F-350 Pickup 4.9 L6 GAS Symptoms: |
Document: FORD MOTOR COMPANY POSITION ON PROPYLENE GLYCOL-BASED ENGINE COOLANTS Vehicle: 1990 Ford F-350 Pickup 4.9 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1990 Ford F-350 Pickup AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 Ford F-350 Pickup cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most 1990 Ford F-350 Pickup cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most 1990 Ford F-350 Pickup cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most 1990 Ford F-350 Pickup cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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