1991 BMW 735I A/C & Heater Service (ONLINE REPAIR MANUALS)

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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 BMW 735I car and truck repair procedures including BMW 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 1991 BMW 735I automobile. Try the Automotix DIY solution today!
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A/C & HEATER SERVICE PROCEDURES FOR 1991 BMW 735I AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1991 BMW 735I cars and light trucks from 1990+

BMW -> Component Replacement & Adjustment -> WATER PUMP, REPLACE -> 525 -> 535
Vehicle: 1991 BMW 735I 3.5 L6 GAS

525

  • Drain coolant, then remove distributor cap and rotor.
  • Remove distributor cover and mounting bolts.
  • Remove radiator fan.
  • Remove water pump pulley and drive belt.
  • Remove protective cover, then compress spring clamp and clamp pin using compression tool No. 11-5-020 or equivalent.
  • Disconnect water pump hoses, then remove...

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A/C & HEATER SERVICE PROCEDURES FOR 1991 BMW 735I AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1991 BMW 735I cars and light trucks from 1990+

BMW -> Cooling Fans -> COMPONENT REPLACEMENT -> 325 -> 525 & 535 -> ELECTRIC COOLING FAN,
Vehicle: 1991 BMW 735I 3.5 L6 GAS

ELECTRIC COOLING FAN,

325
  • On models with SRS, disable air bag system as described under .
  • On all models, remove radiator cap.
  • On models equipped with radiator drain plug, remove plug and drain radiator into suitable container. On models not equipped with radiator drain plug, remove radiator hoses and drain radiator into suitable container.
  • Remove radiator hoses if not previously removed.
  • Remove cowl to radiator attaching clamps, then lift off cowl and suspend from fan assembly.
  • On models equipped with A/C, disconnect w...

CLICK HERE TO GET FULL ACCESS TO 1991 BMW 735I A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1991 BMW 735I AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1991 BMW 735I cars and light trucks from 1990+

Electrical Symbol & Wire Color Code Identification -> Electrical Symbol Identification -> Imported Vehicles
Vehicle: 1991 BMW 735I 3.5 L6 GAS

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CLICK HERE TO GET FULL ACCESS TO 1991 BMW 735I A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1991 BMW 735I AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1991 BMW 735I cars and light trucks from 1990+

Import Compressor Service -> Bosch Compressors -> COMPRESSOR SOLENOID, REPLACE -> EXCEPT PORSCHE 928
Vehicle: 1991 BMW 735I 3.5 L6 GAS

EXCEPT PORSCHE 928

  • Remove compressor clutch plate and pulley as previously described.
  • ...

CLICK HERE TO GET FULL ACCESS TO 1991 BMW 735I A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1991 BMW 735I AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1991 BMW 735I cars and light trucks from 1990+

Import Compressor Service -> Keihin Compressors -> SHAFT SEAL, REPLACE -> INSTALLATION -> REMOVAL
Vehicle: 1991 BMW 735I 3.5 L6 GAS

REMOVAL

Ensure suction and discharge joints are securely capped.

  • Remove pressure plate, then the 32 mm snap ring, Fig. .
  • Remove woodruff key from keyway, then the shims from shaft.
  • Remove seal seat from pulley assembly as shown, Fig. .
  • Insert shaft seal remover tool, Fig. , then rotate tool to ensure cutout is engaged with metal pawl.
  • Press remover tool until it bottoms, then rotate tool fully counterclockwise and withdraw.
  • Place compressor assembly on a suitable workbench, then clean shaft seal mating surface in a suitable solv...

CLICK HERE TO GET FULL ACCESS TO 1991 BMW 735I A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1991 BMW 735I AUTOMOBILES

Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported 1991 BMW 735I cars and light trucks from 1990+

BMW -> Component Replacement & Adjustment -> HEATER FAN SWITCH, REPLACE -> 325 -> 525 & 535
Vehicle: 1991 BMW 735I 3.5 L6 GAS

325

  • Disable air bag system as outlined under .
  • Remove screw at forward end of console under dash.
  • Open glove box and remove upper LH screw, then inner trim panel.
  • Pull off control kno...

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