Automotive Manual PDF

Engine may be identified by using Vehicle Identification Number (VIN) stamped on a metal pad, located near lower left corner of windshield. The sixth and seventh character identifies engine model. Engine identification number, located on left side of cylinder block below cylinder head, may be required when ordering replacement parts.
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The following diagnostic steps will help prevent overlooking a simple problem. This is also where to begin diagnosis for a no-start condition. The first step in diagnosing any drive ability problem is verifying the customer complaint with a test drive under the conditions the problem reportedly occurred. Before entering self-diagnostics, perform a careful and complete visual inspection. Most engine control problems result from mechanical breakdowns, poor electrical connections or damaged/misrouted vacuum hoses. Before condemning the computerized system, perform each test listed in this article.
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Power seat option is available for driver’s and passenger’s seat. Seats have a memory function and an integral diagnosis system. Memory function has 3 memory buttons for different seat settings. There is one control for seat cushion and one for backrest. Seat control module, which is located under seat, controls 4 motors. Three motors are under the seat and one is in the backrest. Memory-type control module takes seat position information from 4 position sensors.
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When Volvo develops a new car model, the options and accessories are designed and developed alongside it to enhance safety, style and comfort. The new Volvo 850 estate is no exception and a variety of choices enable owners to personalise the car to their own particular needs.
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Deactivate air bag system before performing any service operation. For 1995 850, see AIR BAG RESTRAINT SYSTEM, for 1996 850, see AIR BAG RESTRAINT SYSTEM article. Do not apply electrical power to any component on steering column without first deactivating air bag system. Air bag may deploy.
NOTE: Anti-theft alarm system comes in 3 different versions: basic alarm, Guard Alarm I, and Guard Alarm II. See Fig. 1.
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Transaxle is a 4-speed overdrive electronically controlled automatic transaxle. Transaxle consists of lock-up torque converter, oil pump, 3 planetary gear sets, clutch and brake units, accumulator pistons, valve body and 4 electronic valve body solenoids. Valve body with solenoids and Transaxle Control Module (TCM) are used for controlling transaxle operation. Solenoids are controlled by TCM.
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The Supplemental Restraint System (SRS) is designed to operate when vehicle strikes a rigid or heavy object with enough force to activate SRS. Activation impact area is directly in front of vehicle and 30 degrees on either side of dead center. SRS is not designed to activate during a side or rear collision, a rollover, or a frontal collision at low speed or with soft objects. In addition, the 850 is equipped with Side Impact Protection System (SIPS). SIPS are seat mounted air bags which deploy only in the event of a side impact intrusion in the front passenger compartment.
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850 models with central locking and factory installed alarm system can be equipped with a remote-controlled keyless entry system. Transmitter has a range of about 5 meters. Remote control cannot be used to lock vehicle if ignition switch is in position I or II. Upon receiving signals from transmitter, receiver unit transmits locking or unlocking signals to central locking relay. Central locking relay switches interior lighting on and off, and transmits signals to alarm relay to activate and deactivate alarm. Receiver includes a memory which can store coded radio signals from a maximum of 3 different transmitters. Information is retained in memory even if battery is disconnected.
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The Volvo 850 engine range has been extended with another engine variant B5254T. This is an engine which has been optimized for the best possible comfort. The B5254T has extremely good characteristics at low engine speeds.

Because of the engines excellent pulling power at low speed it is also used in the Volvo 850 AWD. The B5254T is also used in other 850 models and is then available with a manual transmission (M56H) or automatic transmission (AW50-42).
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