Automotive Manual PDF

This is a guide to cleaning the Mass Air Flow (MAF) sensor, infamously known to VW owners as a problem part. This problem seems to have become more widespread with the release of the Mk. IV platform, which is apparently due to a bad batch of sensors from the Bosch factory. Although most of the faulty MAFs have been weeded out after having failed on their owners, the more hardy MAFs often survive until just after the car’s warranty expires. In most cases the owner is left holding a bill for several hundred dollars for a new MAF and labor costs.
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Materials:
(1) Plastic Epoxy (fast setting type) I used Loctite Plastic Epoxy (sets in 7 minutes)
(2) 1 foot of ¾ inch (ID) radiator/heater hose. You only need about 3” but this is the minimum you could buy at the Autozone.
(3) Heater connectors (see below) I got mine from the Autozone, but you could use a similar item I guess. These fit perfectly in the existing hole on the valve which is handy… just as an fyi. (Help part number: 47065)
(4) Minimum Two hose clamps sized for the heater hose. You can get more if you want to clamp everything down, like I did.
(5) Some carburator cleaner.
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VW Golf & Jetta Mk 2 models with petrol engines, including fuel injection, catalytic converter, Formel E, 16-valve and special/limited edition models 1043 cc, 1272 cc, 1595 cc & 1781 cc Covers mechanical features of Van. Does not cover Convertible, Rallye, Caddy, diesel engine, 4 -wheel drive, Mk 1 models or new Golf range introduced in February 1992 I M Coomber and Christopher Rogers
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The Mk. II Volkswagen Golf and Jetta range of models was introduced in March 1984, revised body and trim features being the main visual difference to the earlier range of models. The engine/transmission is mounted transversely at the front of the vehicle, drive being to the front wheels. Detailed improvements have been made throughout the years of manufacture to improve power output and economy.
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Main wiring diagram, 2.8L Gas Engine, Engine Code AAA Note: For A/C system wiring information for vehicles equipped with the 2.8L Gas Engine, code AAA, see Index for correct Wiring Diagram No. Relay locations Positions of relays and multi-pin connector wiring, see also “Component Locations” sections. Load Reduction Relay Emergency Flasher Relay Wiper / Washer Intermittent Relay Seat Belt Warning System Relay Dual Horn Relay Fuel Pump Relay
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