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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1993 Chevrolet Astro car and truck
repair procedures including Chevrolet engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
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We have info for following modifications of 1993 Chevrolet Astro
- 1993 Chevrolet Astro 4.3 V6 GAS, CID:262, Fuel Injection, Aspiration:262, Engine VIN:, Desg:Z
- 1993 Chevrolet Astro 4.3 V6 GAS, CID:262, Fuel Injection, Aspiration:262, Engine VIN:, Desg:W
BRAKE SERVICE PROCEDURES FOR 1993 Chevrolet Astro AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Chevrolet Astro cars and light trucks from 1990+.
Anti-lock Brakes -> Four Wheel Anti-Lock Brake System -> System Service -> 1992-95 -> 1996 -> Astro & Safari -> Brake Pressure Modulator Valve (BPMV) -> Brake System Bleed -> C & K Series -> Combination Valve -> Component Replacement -> Electro-Hydraulic Control Unit (EHCU)/Brake Pressure Modulator Valve (BPMV) Module -> Electro-Hydraulic Control Unit Brake Pressure Modulator Valve (EHCU/BPMV) Module -> Electronic Brake Control Module (EBCM) -> Except S & T Series w/VCM & VCM-A -> Front Wheel Speed Sensor -> Pressure Bleed -> Rear Wheel Speed Sensor -> S & T Series -> S & T Series w/VCM & VCM-A -> Two-Person (Manual) Bleed
Vehicle: 1993 Chevrolet Astro 4.3 V6 GAS
Brake System Bleed
1992-95
Electro-Hydraulic Control Unit Brake Pressure Modulator Valve (EHCU/BPMV) Module
The EHCU/BPMV Module should be bled after replacement or if air is trapped in the unit. If bleeding is required, the module must be bled thoroughly before the wheel cylinders and calipers.
There are two bleeders on top of the unit that appear to be normal bleeders, Fig. . These are modulator bleeders and must remain closed when the unit is not pressurized.
The internal bleeders are on either side of EHCU/BPMV module. The valves are used to open the internal passages within the E...
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BRAKE SERVICE PROCEDURES FOR 1993 Chevrolet Astro AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Chevrolet Astro cars and light trucks from 1990+.
Hydraulic Brake Systems -> Component Service -> Assemble -> Bendix Master Cylinder -> Cast Iron Type -> Composite Type -> Delco-Moraine Master Cylinder -> Disassemble -> Inspection -> Tracker Master Cylinder -> Wheel Cylinder
Vehicle: 1993 Chevrolet Astro 4.3 V6 GAS
Delco-Moraine Master Cylinder
Composite Type
When performing the following procedures, refer to Fig. for all models except Lumina APV, Silhouette & Trans Sport, noting that the composite reservoir may vary in design. Refer to Fig. for Lumina APV, Silhouette & Trans Sport models.
Disassemble
- Remove master cylinder from vehicle.
- Remove reservoir cover and diaphragm. Discard old brake fluid in reservoir.
- Inspect cover and diaphragm. Replace if cut, cracked or deformed.
- Remove fluid level switch and proportioning valve assembly, if equipped.
- Depress primary piston and remove lock ring.
- P...
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BRAKE SERVICE PROCEDURES FOR 1993 Chevrolet Astro AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Chevrolet Astro cars and light trucks from 1990+.
Drum Brakes -> General System Inspection -> Adjuster Mechanism -> Backing Plate -> Brake Drums -> Brake Linings & Springs -> Parking Brake Cable
Vehicle: 1993 Chevrolet Astro 4.3 V6 GAS
Brake Drums
Any time the brake drums are removed for brake service, the braking surface diameter should be checked with a suitable brake drum micrometer at several points to determine if they are within the safe, oversize limit stamped on the brake drum outer surface. If the braking surface diameter exceeds specifications, the drum must be replaced. If the braking surface diameter is within specifications, drums should be cleaned and inspected for cracks, scores, deep grooves, taper, out-of-roundness and heat spotting. If drums are cracked or heat spotted, they must be ...
CLICK HERE TO GET FULL ACCESS TO 1993 Chevrolet Astro BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1993 Chevrolet Astro AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Chevrolet Astro cars and light trucks from 1990+.
Anti-lock Brakes -> Four Wheel Anti-Lock Brake System -> Troubleshooting
Vehicle: 1993 Chevrolet Astro 4.3 V6 GAS
Refer to "Wirin... "
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BRAKE SERVICE PROCEDURES FOR 1993 Chevrolet Astro AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Chevrolet Astro cars and light trucks from 1990+.
Disc Brakes -> Bendix Single Piston Sliding Caliper -> Precautions -> Brake Disc Service -> Brake Lines & Linings -> Brake Roughness -> General
Vehicle: 1993 Chevrolet Astro 4.3 V6 GAS
Brake Lines & Linings
Remove one of the front wheels and inspect the brake disc, caliper and linings.
Do not allow any oil or grease on the linings. It is recommended that all linings be replaced in sets when worn or damaged.
If the caliper is cracked or fluid leakage through the casting is evident, it must be replaced as a unit.
Brake Roughness
The most common cause of brake chatter on disc brakes is a variation in thickness of the disc. If roughness or vibration is encountered during highway operation or if pedal pumping is experienced at low speeds, the disc may have excessive thickne...
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BRAKE SERVICE PROCEDURES FOR 1993 Chevrolet Astro AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1993 Chevrolet Astro cars and light trucks from 1990+.
Disc Brakes -> Delco-Moraine Single Piston Caliper -> Rotor Replacement -> 2WD Models -> 4WD Models
Vehicle: 1993 Chevrolet Astro 4.3 V6 GAS
2WD Models
- Raise and support vehicle.
- Remove tire and wheel assembly.
- Remove caliper as outlined under "Caliper Service."
- Remove grease cap from hub/rotor.
- Remove cotter pin, nut and washer.
- Remove hub/rotor from spindle, being careful not to damage spindle threads or outer bearing.
- Reverse procedure to install, noting the following:
- Apply high-temperature wheel bearing grease to inner and outer wheel bearings.
- Torque nut to 12 ft. lbs. while turning wheel assembly forward by hand, back...
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