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BMW 5-Series (E39) Repair Manual 525i, 528i, 530i, 540i, Sedan, Sport Wagon 1997-2002


Filed Under (BMW) by admin on 07-09-2009

Comprehensive, single source of service information and specifications available specifically for BMW 5 Series from 1997 to 2002. The aim throughout this manual has been simplicity, clarity and completeness, with practical explanations, step-by-step procedures and accurate specifications. Whether you are a professional or a do-it-yourself BMW owner, this manual will help you understand, care for and repair your E39 5 Series. Though the do-it-yourself BMW owner will find this manual indispensable as a source of detailed maintenance and repair information, the BMW owner who has no intention of working on his or her car will find that reading and owning this manual will make it possible to discuss repairs more intelligently with a professional technician.
Engines covered in this BMW repair manual:
* 6-cylinder engines: M52, M52 TU, M54
* V-8 engines: M62, M62 TU
Fuel injection systems covered in this BMW repair manual:
* Bosch M 5.2, M 5.2.1, ME 7.2
* Siemens MS 41.0, MS 42.0, MS 43.0
Manual transmissions covered in this BMW repair manual:
* Getrag S5D 250G, S6S 420G
* ZF S5D 320Z
Automatic transmissions covered in this BMW repair manual:
* A4S 270R, A4S 310R
* A5S 360R, A5S 390R
* A5S 325Z
*A5S 560Z, A5S 440Z

2000 BMW 528i (E39) Replacing Front Wheel Bearing (Wheel Hub)(Basis)


Filed Under (BMW) by admin on 22-10-2010

Caution! Bearing cannot be dismantled. Do not wash out bearings.Remove brake disk (brake line remains connected), refer to Brakes and Traction Control; Disc Brake System. Remove ABS impulse sensor. Remove stabilizer link from stabilizer, Steering and Suspension. Unfasten nut. Installation: Use washer (1). Tapered spigot and bore both free of grease. Replace self-locking nut. Brace on hexagon socket if necessary. Tightening Torque, refer to Steering Specifications. Press off track rod with special tool 31 2 240. Mark the installation position of the spring strut tube (1) in the swivel bearing (2) with paint – never mark with scribing tool. Marking is not required if the factory mark is still identifiable. R installation position of right spring strut tube L installation position of left spring strut tube

2001 Dodge Durango BLOWER MOTOR RELAYS test


Filed Under (Dodge) by admin on 07-12-2010

1. Disconnect negative battery cable. On 2000 Dakota, blower motor relay is located behind instrument panel, inboard of glove box. See Fig. 1 . On 2000 Durango, Ram Pickup, Ram Van/Wagon, front blower motor relay is located in Power Distribution Center (PDC). 2. On Ram Van/Wagon, front high speed blower motor relay is located in engine compartment, on top cover of on inboard side of heater housing assembly. See Fig. 2 . Rear blower motor relay and rear high speed blower motor relay are located in a connector bracket that is secured to back of rear A/C-heater unit cover. See Fig. 3 . 3. On all models, remove suspect blower motor relay or high speed blower motor relay. Using DVOM, check for continuity between terminals No. 87A and 30 of relay. See Fig. 4 . If continuity does not exist, replace relay. If continuity exists, go to next step. 4. Using DVOM, check for continuity between terminals No. 30 and 87 of relay. See Fig. 4 . If continuity exists, replace relay. If continuity does not exist, go to next step. 5. Measure resistance between terminals No. 85 and 86 of relay. See Fig. 4 . Reading should be 70-80 ohms. If reading is not as specified, replace relay. If reading is as specified, go to next step. 6. Using jumper wires, connect battery voltage to terminal No. 86 and ground terminal No. 85. See Fig. 4 . Check that continuity exists between terminals No. 30 and 87. Check that continuity does not exist between terminals No. 87A and 30. If continuity is not as specified, replace blower motor relay. If continuity is as specified, relay is okay.

1994 Cadillac DeVille Alarm Module Description and Operation Universal Theft Deterrent UTD (RPO UA6)


Filed Under (Cadillac) by admin on 12-08-2010

The Universal Theft Deterrent (UTD) System is designed to sound the horns and flash the exterior lights when the system is armed and entry is gained forcibly through the doors or trunk. Alarms Operation of the exterior lights and horns when activated, is controlled by the Theft Deterrent Module via the Theft Deterrent Relay. Fuse B3 applies voltage to the Theft Deterrent Relay’s coil at all times. When the alarm is active the Theft Deterrent Module cycles the alarm system control driver (terminal F) on and off once per second. During this cycle ground is applied to the Theft Deterrent Relay coil and then removed. This causes the relay to energize and de-energize. The relay contacts will now cycle open and closed at the same rate as the alarm system control driver. When the Theft Deterrent Relay’s contacts are closed, the Horn, Park Lights, and Headlight Relays are grounded through the Diode Pack, and CKT 624. The relays now energize and the relays respective circuits will turn on. The Diode Pack is installed in the circuit to provide circuit isolation. If the diode pack were to short some unusual symptoms might occur such as the headlights light when the horn is sounded. Arming Arming the Theft Deterrent System is a four step procedure. The arming sequence begins when the ignition is turned OFF. This removes battery voltage at module terminal K, the ignition 1 input. Step 2 occurs when a door is opened and ground is applied to module terminal J, the tamper input. The system is still not armed so grounding the tamper input at this time does not set off the alarms. The SECURITY indicator flashes to alert the operator the system is not armed. Step 3 occurs when the doors are locked electrically, this applies battery voltage to the module’s terminal G, the system arm input. The SECURITY indicator is on steady to indicate that the system is armed. The arming sequence is completed when all doors are closed, removing ground from the module’s terminal J, the tamper input. The system is now armed. The SECURITY indicator will remain on for a few seconds. The Remote Keyless Entry (RKE) System can also arm the Universal Theft Deterrent



Filed Under (Toyota) by admin on 03-07-2010

1. SYMPTOM SIMULATION HINT: The most difficult case in troubleshooting is when no problem symptoms occur. In such a case, a thorough problem analysis must be carried out. A simulation of the same or similar conditions and environment in which the problem occurred in the customer’s vehicle should be carried out. No matter how much skill or experience a technician has, troubleshooting without confirming the problem symptoms will lead to important repairs being overlooked and mistakes or delays. (a) Vibration method: When vibration seems to be the major cause. HINT: Perform the simulation method only during the primary check period (for approximately 6 seconds) after the ignition switch is turned ON. (1) Slightly vibrate the part of the sensor considered to be the problem cause with your fingers and check whether the malfunction occurs. NOTE: Shaking the relays too strongly may result in open relays. (2) Slightly shake the connector vertically and horizontally. (3) Slightly shake the wire harness vertically and horizontally.