![]() ![]() Take a look at the three pictures below and you can see where the three hoses go. DV = turbo diverter valve, aka deceleration shut-off valve.N249 = recirculating solenoid valve for turbocharger.Combi Valve = valve on discharge side of SAIP pump.N112 = secondary air injection solenoid valve.Get new hose before messing with the old ones! But if you're doing the fourth hose you'll need more, and 3' might be too short for that hose-but more on it below.įirst, don't go disconnecting these hoses to see how they are! They are invariably hard and crack like plaster, so you'll then have a vacuum leak-no good. I bought my hose from ECS in two 3' lengths, which was plenty. I replaced the three hoses on my 2001.5 Passat with AWM engine with 3.5 x 2mm blue silicone hose-blue, because it looks nice and costs the same as black, silicone because it will outlast the car. Three of the four are an easy DIY job the fourth is slightly more work, since one end is accessed from under the car. Replace the cover and reinstall the control unit.There are four vacuum hoses on the 1.8T engine that become hard as a rock over time and should be replaced. Press down and full secure the chip, double-checking that all pins are properly seated. Install one row of pins in the socket, and push gently on the other side of the chip until the other row of pins lines up with the socket. If the chip is installed backwards, damage to the control unit could result. There is also a small notch on the chip socket illustrating the correct orientation. Install the performance chip by again noting the orientation of the small notch on the end of the chip, and installing it in the same direction of the original chip. Place the chip you just removed on the metal cover to protect it from possible static damage. (CAUTION: MAKE SURE YOU ARE NOT PRYING UP ON THE CHIP SOCKET WHICH IS SOLDERED TO THE CIRCUIT BOARD) As you handle the chip, try to handle it by the black body, and not the metal pins. To remove the chip, slide a small screwdriver under the chip and carefully pry upwards, alternating ends frequently to avoid bending or damaging the pins. Your performance chip must be installed with its notch facing in the same direction as the original one was. If your car has the stock factory chip currently installed, it will have a silver foil sticker on it with a sequence of numbers going something like 1267358xxx.īefore removing the chip, observe its orientation by locating the small notch at the end of the chip. Do the same for the other slot and set the retaining clip aside. Use a small screwdriver and insert into one of the small slots in the plastic clip to pop that side up. It will be raised off the board a bit more than the other chips, and has a plastic “H” shaped retaining clip covering it, locking it into the socket. Locate the memory chip on the board that you just unfolded. When reinstalling, remember that the plastic hook at the end of the connector is installed first.Īt your workbench, using a small screwdriver, straighten the ten metal tabs on the bottom of the box remove the cover and set it aside. Disconnect the box from the wiring plug by rotating the box out so that it pivots away from the retaining tab. Holding the Motronic box in one hand, flip back the steel-retaining tab that holds the electrical connector. Using a 10mm socket and ratchet, remove the four 10mm nuts and bolts that fasten the control unit to the floor. ![]() Remove the floor matt that covers the control unit. Slide the left front seat all the way back adjust all the way upward. It has the word ‘MOTRONIC’ either on a decal on top of the box or stamped on the metal cover. The Motronic DME control unit is a silver metal box approximately 6”x5”x2” located under the left front seat. ![]() REMOVING THE DME CONTROL UNIT FROM VEHICLE: ![]() An extended 10 mm socket (about 2” long), socket wrench.Motronic M2.10.1 (Porsche 993 3.6L 94-98)īefore beginning, you will need the following tools: ![]()
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