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1990 Mazda Miata CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Mazda REPAIR SHOPS DON'T WANT YOU TO KNOW
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- 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
A/C & HEATER SERVICE PROCEDURES FOR 1990 Mazda Miata AUTOMOBILES
A/C & Cooling System Maintenance -> Mazda -> 1990-2002 Miata, Millenia, Protege, 323, MX-3, MX-6, 626, RX-7 & 929
Vehicle: 1990 Mazda Miata 1.6 L4 GAS
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BRAKE SERVICE PROCEDURES FOR 1990 Mazda Miata AUTOMOBILES
HYDRAULIC BRAKES -> DIAGNOSIS & TESTING -> PROPORTIONING VALVE
Vehicle: 1990 Mazda Miata 1.6 L4 GAS
PROPORTIONING VALVE
Connect pressure tester as shown in the appropriate figure for the particular vehicle b...
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FUEL FILTER REPLACEMENT PROCEDURES FOR 1990 Mazda Miata AUTOMOBILES
Mazda -> Fuel Filter Replacement -> 1990-00 Miata -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 1990 Mazda Miata 1.6 L4 GAS
Fuel System Pressure Relief
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.
Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental spray of fuel.
The anti-theft function is available as an option for the audio system. Before removing the battery ground cable or disconnecting the audio system power source, obtain the code number to reset the system when repairs are complete.
After the battery has be...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 1990 Mazda Miata AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 1990 Mazda Miata 1.6 L4 GAS
- Raise and support vehicle, then remove tire and wheel assembly.
- Remove driveshaft locknut.
- Mark position of output shaft of differential and driveshaft for installation reference.
- Remove driveshaft to differential carrier output shaft attach...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 1990 Mazda Miata AUTOMOBILES
Starter, Replace
Vehicle: 1990 Mazda Miata 1.6 L4 GAS
- Disconnect battery ground cable.
- Disconnect battery ground cable from battery, then raise and support vehicle.
- Remove starter motor bracket and different...
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MAINTENANCE LAMP RESET PROCEDURES FOR 1990 Mazda Miata AUTOMOBILES
Mazda -> Automatic Transaxle Warning Lamp ->
Vehicle: 1990 Mazda Miata 1.6 L4 GAS
This lamp should light for approximately 6-8 seconds when the ignition is turned to On position as a bulb check. If the warning lamp flashes or lights, the tran...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 1990 Mazda Miata AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 1990 Mazda Miata 1.6 L4 GAS
Lower
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at radiator outlet.
- Remove hose from radiator.
- Reposition hose clamp at water inlet.
- Remove hose from water inlet.
- Remove hose from vehicle.
- Reverse procedure t...
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SERPENTINE BELT SERVICE PROCEDURES FOR 1990 Mazda Miata AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 1990 Mazda Miata 1.6 L4 GAS
- Loosen alternator pivot bolt.
- Loosen adjuster lock bolt.
- Loosen alt...
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COMPONENT LOCATION DIAGRAMS FOR 1990 Mazda Miata AUTOMOBILES
Component location diagrams for most 1990 Mazda Miata cars and light trucks sold in the U.S. from 1990+.
Airbag System Components Diagram for 1990 Mazda Miata 1.6 L4 GAS Components on diagram: |
Automatic Transmission Components Diagram for 1990 Mazda Miata 1.6 L4 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 1990 Mazda Miata AUTOMOBILES
OEM drawn wiring diagrams for most 1990 Mazda Miata cars and light trucks sold in the U.S.
1990 Mazda Miata 1.6 L4 GAS Wiring Diagram Components on diagram: |
1990 Mazda Miata 1.6 L4 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 1990 Mazda Miata AUTOMOBILES
OEM TSB listings for most 1990 Mazda Miata cars and light trucks sold in the U.S. from 1985+.
Document: STAINS APPEAR ON WHEELS Vehicle: 1990 Mazda Miata 1.6 L4 GAS Auto Systems: |
Document: NON GENUINE ACCESSORIES AFFECT AIR BAG OPERATION - REVISED Vehicle: 1990 Mazda Miata 1.6 L4 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 1990 Mazda Miata AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 1990 Mazda Miata 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 Mazda Miata 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 Mazda Miata 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 Mazda Miata 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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