1994 BMW 840CI A/C & Heater Service (ONLINE REPAIR MANUALS)

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A/C & HEATER SERVICE PROCEDURES FOR 1994 BMW 840CI 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 1994 BMW 840CI cars and light trucks from 1990+

BMW -> Component Replacement & Adjustment -> COMPRESSOR, REPLACE -> 325 -> 525 & 535
Vehicle: 1994 BMW 840CI 4.0 V8 GAS

325

  • Disconnect battery ground cable and evacuate A/C system.
  • Disconnect wiring harness to compressor at connector on frame rail.
  • Disconnect refrigerant lines at compressor, then plug lines and open ports.
  • Remove 2 bolts securing adjusting bracket to top of compressor.
  • Raise and support front of vehicle, then remove splash pan.
  • Remove bolts (1-2) securing muffler assembly to compressor, loosen pivot bolt (3), Fig. , then remove drive belt.
  • Remove pivot bolts and lower compressor from vehicle.
  • Reverse procedure to install, n...

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A/C & HEATER SERVICE PROCEDURES FOR 1994 BMW 840CI 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 1994 BMW 840CI cars and light trucks from 1990+

Import Compressor Service -> Keihin Compressor -> SHAFT SEAL, REPLACE -> INSTALLATION -> REMOVAL
Vehicle: 1994 BMW 840CI 4.0 V8 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 or equivalent, 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...

CLICK HERE TO GET FULL ACCESS TO 1994 BMW 840CI A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1994 BMW 840CI 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 1994 BMW 840CI cars and light trucks from 1990+

Air Bag System Precautions -> BMW -> Arming
Vehicle: 1994 BMW 840CI 4.0 V8 GAS

  • Ensure nobody is in vehicle, then connect battery positive cable, then ground cable.
  • From a safe position to the side of or below air bag modules, turn ignition On and observe air bag indicator lamp. Lamp s...

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A/C & HEATER SERVICE PROCEDURES FOR 1994 BMW 840CI 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 1994 BMW 840CI cars and light trucks from 1990+

BMW -> Wiring Diagrams -> Compressor Controls
Vehicle: 1994 BMW 840CI 4.0 V8 GAS

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CLICK HERE TO GET FULL ACCESS TO 1994 BMW 840CI A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1994 BMW 840CI 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 1994 BMW 840CI cars and light trucks from 1990+

BMW -> Component Replacement & Adjustment -> THERMOSTAT, REPLACE
Vehicle: 1994 BMW 840CI 4.0 V8 GAS

  • Partially drain cooling system.
  • Remove thermostat cover mounting bolts, then the cover.
  • Remove thermostat and gasket.
  • ...

CLICK HERE TO GET FULL ACCESS TO 1994 BMW 840CI A/C & HEATER SERVICE PROCEDURES

A/C & HEATER SERVICE PROCEDURES FOR 1994 BMW 840CI 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 1994 BMW 840CI cars and light trucks from 1990+

Air Bag System Precautions -> BMW -> Disarming
Vehicle: 1994 BMW 840CI 4.0 V8 GAS

Prior to disconnecting any air bag/Supplemental Restraint System (SRS) electrical connectors, servicing any system components or other components located near an SRS electrical connector, the system must be disarmed. The connectors and components are identified by their orange color.

  • Obtain radio theft protection code prior to disconnecting battery.
  • Disconnect grou...

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