Auto Repair Manual Free Download and ReviewsFree download ebook pdf files automotive manual

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13 90 500 REPLACING TANK VENTING VALVE (S62) Interrogate fault memory of DME control unit. Switch off ignition. Location: Under intake air manifold at rear. Remove and install intake air manifold, refer to 11 61 050 REMOVING AND INSTALLING INTAKE AIR MANIFOLD (S62) . Disconnect plug connection (1) on tank venting valve. Pull off tank venting valve together with rubber retainer from retainer. Press locking bracket (1). Remove hose (2). Pull off molded hose (3) from tank venting valve towards bottom. Remove tank venting valve. Installation: Apply a thin anti-friction rubber coating (e.g. petroleum jelly) to sealing surface of molded hose (3).

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Here is one idea that will let you utilize the Surbo system to the maximum. Attaching a boost gauge, you will be able to get the most power per throttle travel (->press less, get more power). It’s not for measuring a boost output, but as a means of consistently commanding the Surbo, especially under low-torque situations at very low rpm and/or in a very high gear. If you do not wish to install a gauge, just reading this page will help you understand the Surbo system better. Note: “gauge” and “meter” refer to the same thing. Please also refer to How The Surbo System Works to see how the boost gauge (white circle) is positioned within and related to the Surbo system. Why A Boost Gauge? When you have your gauge installed and you drive normally, you will realize that it is always pointing up and down. This means that supply of air (from the air intake) is not equal to demand for air (by the engine), especially during acceleration, or after gearchanges, or driving under different loads or terrain, or a combination of the above. When the demand for air is not met by the air intake (indicated by a falling needle on the meter), this can reduce engine power. With the meter attached to and reading from the air manifold (the holding area between the throttle and engine), once you balance the needle at any point by moving your right foot, supply=demand and the airflow will be optimized. By moving your foot, the Surbo is activated automatically! Background The boost gauge had found a new use as a Surbo trigger on our test car. While we wanted our customers to have the same fun, problems resulted as customers could not choose or find suitable gauges or supervise the job as stated; almost always, based on user feedback and our own checks, unknown installers did poor jobs that caused leaks to the vacuum and resulted in Surbo failure as well. So we have to write a clear guide to prevent failure during installation, for you to use in supervising the job. You can’t just leave it to the installers as they won’t care about giving you a perfect seal.

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Refer to Instructions For Disconnecting And Connecting Battery. Disconnect negative battery lead. E46 Only Disconnect battery positive lead from battery connection point. Remove microfilter. Open cable duct on lower section of microfilter housing (2) and feed out cable(s). Release screws (1) and remove lower section of microfilter housing (2). Remove cover from fuel injectors. Caution: Do not mix up oxygen monitor sensors for cylinders 1 to 3 and 4 to 6 at plug connection to wiring harness. Mark plug connections. Unclip plug connections (1) from holder. Detach retainer (2) from battery positive lead. E46 Only Pull off complete rubber strip (1). Disconnect plug connection (2) on solenoid valve.

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Removing and Installing/Replacing Heater and Air Conditioning Fan (M50, S50, M52) Additional work on 2-door model: Remove console for the windshield wiper system. Position windscreen wiper, left, vertically. Note: The air conditioning system remains installed. Illustration shows air conditioning unit removed. Installation note:Install fan motor and fan gears individually in air manifold box and assemble there. Install blower wheel on shaft of blower motor os that colours match. The arrow on the blower indicates the correct installation position of the blower wheels.