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1990 Honda Prelude CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Honda REPAIR SHOPS DON'T WANT YOU TO KNOW
Learn how to repair a car or truck, install or remove parts, wire an engine, reset warning lights, replace fuel filter, fix auto body and more. Get Automotix DIY!Select Section
- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- 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
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1990 Honda Prelude car and truck
repair procedures including Honda engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your Honda Prelude automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR 1990 Honda Prelude AUTOMOBILES
A/C & Cooling System Maintenance -> Honda -> 1990-2002 Accord, CRX, Civic, del Sol & Prelude
Vehicle: 1990 Honda Prelude SI ALB 2.1 L4 GAS
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BRAKE SERVICE PROCEDURES FOR 1990 Honda Prelude AUTOMOBILES
HONDA, HYDRAULIC BRAKES -> MASTER CYLINDER, REPLACE
Vehicle: 1990 Honda Prelude 2.0 S 2.0 L4 GAS
- Disconnect brake lines from master cylinder, then all necessary electrical connectors.
- Remove nuts retaining master cylinder to brake booster.
- Remove mast...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 Honda Prelude AUTOMOBILES
Honda -> Fuel Filter Replacement -> del Sol, 1985-91 CR-X, 1985-01 Prelude, 1985-97 Accord, 1987-00 Civic, 1997-01 CR-V & 1995-97 Odyssey w/Fuel Injected Engines -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 1990 Honda Prelude 2.0 SI 2.0 L4 GAS
Fuel System Pressure Relief
- Obtain the vehicle owners radio theft protection code prior to disconnecting the battery ground cable, if equipped.
- Disconnect the battery ground cable.
- Remove the fuel fill cap to release fuel tank pressure.
- On models less fuel filter service bolt, place a shop towel over the banjo bolt at top of fuel filter. Slowly loosen the banjo bolt one complete turn. When loosening the banjo bolt, use a backup wrench to hold the fuel filter in position.
- On m...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 Honda Prelude AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1990 Honda Prelude 2.0 SI 2.0 L4 GAS
Replacement procedures for left and right driveshafts are the same.
- Raise and support front of vehicle, then remove front wheels.
- Drain transaxle.
- Raise locking tab on spindle nut, then remove nut.
- Remove self-locking nut and self-locking bolt. Replace self-locking bolt if you can easily thread a non-self-locking nut past their nylon locking inserts.
- Remove damper fork, then cotter pin from lower arm ball joint castle nut and remove nut.
- Install hex nut on ball joint. Ensure nut is flush with ball joint pin end, or threaded section of ball joint pin might be damaged by ball joi...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1990 Honda Prelude AUTOMOBILES
Starter, Replace
Vehicle: 1990 Honda Prelude 2.0 S 2.0 L4 GAS
- Disconnect battery ground cable, then wait at least three minutes before continuing procedure.
- Disconnect positive battery cable.
- Remove engine wire harness.
- Disconnect all electrical leads at starter.
- Loosen...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1990 Honda Prelude AUTOMOBILES
Honda -> Traction Control System (TCS) Warning Indicator ->
Vehicle: 1990 Honda Prelude 2.0 S 2.0 L4 GAS
The Traction Control System warning lamp is used to warn of a system fault. The lamp monitors the condition of the Traction Control System system. It will be lit during engine start-up, but should go off when the self-diagnostic system determines that the system is operating properly. If the lamp remains lit, a fault in the Tra...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 Honda Prelude AUTOMOBILES
Heater Hose, Replace -> Inlet -> Outlet
Vehicle: 1990 Honda Prelude SI 4WS 2.1 L4 GAS
Inlet
- Disconnect negative cable from battery terminal.
- Drain engine coolant into a suitable container.
- Reposition hose clamp with suitable tool.
- Remove hose from heater core tube.
- Reposition hose clamp with suitable tool.
- Remove hose from heater valve tube.
- Reverse procedure t...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1990 Honda Prelude AUTOMOBILES
Serpentine Drive Belt, Replace -> Alternator and Air Conditioning -> Power Steering
Vehicle: 1990 Honda Prelude SI 4WS 2.1 L4 GAS
Alternator and Air Conditioning
- Disconnect battery ground cable from battery.
- Loosen alternator pivot bolt.
- Loosen alternator adjusting nut.
- Push alternator inward toward engine.
- Remove alternator and air conditioning drive belt.
- Clean and inspect belt surfaces of all pulleys.
- Reverse procedure to install, noting the follow...
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COMPONENT LOCATION DIAGRAMS FOR 1990 Honda Prelude AUTOMOBILES
Component location diagrams for most 1990 Honda Prelude cars and light trucks sold in the U.S. from 1990+.
 Anti-Lock Brake Components Diagram for 1990 Honda Prelude 2.0 SI 2.0 L4 GASComponents on diagram: |
 Air System Components Diagram for 1990 Honda Prelude 2.0 SI 2.0 L4 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 1990 Honda Prelude AUTOMOBILES
OEM drawn wiring diagrams for most 1990 Honda Prelude cars and light trucks sold in the U.S.
 1990 Honda Prelude 2.0 SI 2.0 L4 GAS Wiring DiagramComponents on diagram: |
 1990 Honda Prelude SI 4WS 2.1 L4 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1990 Honda Prelude AUTOMOBILES
OEM TSB listings for most 1990 Honda Prelude cars and light trucks sold in the U.S. from 1985+.
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Document: ATEQ VT55 TPMS Update Information Vehicle: 1990 Honda Prelude 2.0 SI 2.0 L4 GAS Auto Systems: |
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Document: ED-18 Battery Analyzer Update Information Vehicle: 1990 Honda Prelude 2.0 SI 2.0 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1990 Honda Prelude AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 Honda Prelude 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 Honda Prelude 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 Honda Prelude 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 Honda Prelude 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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