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Audi 4.2L 5valve Twin Screw

Supercharger system

ME2-R INSTALLATION MANUAL

FOR RACING OR OFF ROAD USE ONLY

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INTRODUCTION

Thank you for purchasing the MotodyneME2 supercharger system for the 5 valve4.2L . We have gone to great length toengineer this system to be a true bolt-onsystem. Please read the entire instructionmanual thoroughly before proceeding. Ifthere is any part of the installationprocedure that you are not comfortablewith, please have a professionalmechanic install the system. This systemhas an average install time of 8hrs.

PLEASE NOTE:• The photos used in this manual

were taken during the installation ona 2001 S8 and a 97 a8. There willbe a special “NOTE” listed whenthere is a variation in the installationprocedure.

• New Motodyne supplied parts willbe underlined in this manual.

PRE-INSTALLATION STEPS

Prior to installing the Motodyne ME2supercharger system there are a few stepsthat are recommended to make theinstallation as safe and easy as possible.

• Make sure that the engine iscompletely cool.

• The car should not have beenstarted for at least 2 hours tominimize any residual fuel pressure.This will reduce the fuel leakage thatoccurs while removing the fuelinjector rail.

• Remove the negative battery cablefrom the battery terminal before andduring the installation procedure.

• Please save all parts and fastenersyou remove from the car duringinstallation. The system has beenengineered so that the car may bereturned to its stock configuration ifso desired.

INSTALLATION

1) Disconnect the negative battery terminalin the trunk of you’re A8/S8.

2) Remove all plastic engine covers.

3) Remove ECU and TCM (transmissioncontrol module). (See picture 1-3)

Remove the drip rail cover from thepassenger side of the enginecompartment to expose the ECMEngine Control Module and TCMtransmission control module.

Picture 1

2) ECM Engine Control Module shownin picture 2



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Picture 2

3) TCM transmission control moduleshown in picture 3

Picture 3

Remove the ECM and TCM carefullyand package them in the FEDEX boxsupplied with the kit.Insure the two for a total value of 3,000dollars and send to motodyne.com

Note: the car can not be driven untilthe TCM and ECM are returned

4) Remove air box intake ducts. (See picture 4-6)

Picture 4

5) Disconnect air intake tube frompassenger side airbox picture 4. andopposite side shown in picture 5

THIS AIR INDUCTION HOSE IS NOTCHEDFOR ALIGNMENT. TAKE NOTE FOR RE-INSTALLATION.

Picture 5

6) NOTE: On early 1997 A8 models thecrossover tube looks slightly different,and connects at the top front corner ofeach valve cover. Remove and setaside for now



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Picture 6

Shown above in picture 6 is a 2001 S8crossover tube

Picture 7

7) Remove air pump hose from antibackfire valve in rear of intake manifold.(See above picture 7 )

8) Disconnect 2 vacuum lines from theright side solenoid. (See picture 8)

Remove the 2 screws that hold thesolenoid to the plastic mount, and move tothe side.

9) Disconnect the intake air temp. Sensorelectrical connector. (See picture )REATTACH THIS CONNECTORWHEN FINISHED WITH INSTALL.

Picture 8Remove the brown plug in harness from thesolenoid (see above and below picture 8)

Picture 810) Remove the vacuum line from the stock

fuel regulator (See picture 9)

Picture 9

11) Locate dual knock sensor disconnectsattach to fuel rail. (See picture 10)



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Picture 10

12) Disconnect green plug from dual knocksensors. (See picture 11)

Picture 11

13) Disconnect black hose from the “T”connector on the manifold. (See picture11)

Picture 12

14) Unclip the (8) fuel injector electricalconnectors. (See pictures 13 to 20)

Picture 13

14) Remove the (4) 10mm screws that holdthe fuel rail in place. (See picture 14)

Picture 14

15) Pull up on the fuel rail to dis-engage itfrom the intake manifold. (See picture15)



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Picture 15

16) Remove the injector-retaining clips asshown, and pull injectors out of fuel rail.(See picture 16)

Picture 16

17) Move fuel rail aside while still connectedto fuel lines.

18) Disconnect electrical connector from thethrottle body. (See picture 17)

Picture 17

18) Unplug the PCV tube from the intaketube. (See picture 18)

NOTE: On early 98 models this connectordoes not exist as pictured. You will need todisconnect a 5/16” hose as well as a smaller1/8” hose at the bottom of the intake tube.The 1/8” hose barb on the intake tube will becapped..

Picture 18

19) Remove the screw holding the intaketube onto the throttle body with a hexwrench. Use a 10mm open-end wrenchto prevent the center section fromrotating. (See picture 19)



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Picture 19

20) Remove the intake throttle body. (Seepicture 20)

NOTE: On early 1998 models whenremoving the intake tube, you will also beunplugging the PCV tube. This plastic tubeis plugged into the intake tube and retainedwith a clip.First, remove the o-ring from the exposedend. Next, remove the retaining clip fromthe intake tube and pull out the plastic tuberevealing another o-ring. Put this o-ring ontothe PCV adapter and install it back into theintake tube with the retaining clip. The othero-ring will be used in a later step. (Seepicture 21A)

21) Disconnect (2) rubber hoses from therear of the intake manifold. One hose islow on the driver’s side rear of themanifold (See picture 21). The brakebooster hose is on the top rear of themanifold (See picture 22)

NOTE: Pre 2000 cars will only have the (top)brake booster hose. (See picture 21)

Picture 21

Picture 22

22) Disconnect throttle cable Move thecable housing to full open throttle toallow slack in the cable to remove it.

23) Remove the (2) 10 mm screws that holdthe cruise control pot in position andmove it aside.

24) Remove the intake manifold byremoving the (12) screws that hold it inplace, and lift it straight up. BECAREFUL NOT TO SNAP OFF THEPLASTIC ALIGNMENT PINS WHENLIFTING STRAIGHT UP OR YOU WILLHAVE TO USE A DRILL AT LOWSPEED TO GET THEM OUT.(Seepicture 29)



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Picture 23

At this time exercise extremecaution not to let any objects dropinto intake ports! 25) Remove 2 nylon manifold alignment

pins. (See picture 26)

Picture 24

26) Remove the (2) rubber seals from thebottom of the intake manifold and setaside for later use. (See picture 25)

Picture 25NOTE

Picture 26

27) Remove (6) bolts that hold the powersteering pump/bracket to the engineblock. (See picture 34)

Picture 27

28) Motodyne intake fuel pressure regulatorvacuum line port in rear of intake manifold.(See picture 28)

Picture 28



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2300 ax and 2300AX and R outlet portshown in picture 29

Picture 292300AX and R outlet port gasket

Picture 30

Picture 31

Motodyne 7psi pulley

Picture 32

28) 3 5/8th drive for 2300 ax and 2300AXand R-

Picture 33

29) Take the rubber seals that wereremoved from the stock intake manifoldin step 35 and insert them into thegrooves on the new manifold. NOTE: Inorder to keep the seals from falling outduring assy., put a small dab of greasein the grooves. (See picture 41)

Picture 34



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NOTE: Before proceeding to step 48, besure that the mating surfaces are clean andunobstructed.

30) Lower the supercharger/manifoldassembly down onto the engine andsecure it with (14) M6X30 socket headcap screws and washers. Tightenevenly in a crisscross pattern. Avoidover tightening. (See picture 35)

Picture 35

31) Bolt the throttle body in position usingthe factory screws and a small amountof sealant on 2000-on (drive by wire)models use the factory spacer betweenthe throttle body and manifold, usingsealant on the side without the rubberseal. Do not over tighten. (See picture36)

Picture 3632) Attach brake booster hose onto the

brass hose barb. (See picture 37)

Picture 37

Picture 38

Picture 39

33) Attach the cruise control pot onto thenew cruise control mount bracket. (Seepicture )

Picture 40B

34) Re-attach the intake tube onto thethrottle body. (See picture 39)

NOTE: Early 1998 models will install PCVconnector hose at this time using (2)supplied hose clamps. (See picture C)



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Picture 41

35) Lubricate the o-rings of the (8) new fuelinjectors using petroleum jelly. (Seepicture 42)

Picture 42

36) Seat all 8 fuel injectors into manifold.Simply push down while twisting untilfully engaged. (See picture 43)

Picture 43

37) Carefully line up the fuel rail with thetops of the (8) injectors. It is veryimportant that all (8) cups on the fuel railare lined up with the injectors. Makesure to position electrical connectors outwards for harness attachment. .Misalignment can cause the o-ring tobe pinched and cut. A fuel leak willresult. Push down on the fuel rail until itis fully engaged with the injectors.

38) Position (4) 2” long spacers between thefuel rail tabs and the bosses on themanifold. Line up with the top of the fuelrail and secure them into place using (4)M6X70 hex head cap screws andwashers. (See picture 49) The bolts willgo through the support, fuel rail tabs,and the spacer and screw into themanifold.

39) Plug the (8) injector electricalconnectors back in, as well as thethrottle body electrical connector, intakeair temp. Sensor and the left sidesolenoid electrical connector.

40) Lubricate the o-rings on the Motodynefuel pressure



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regulator

With petroleum jelly. Insert it into the fuelrail and replace the retaining clip.41) DON’T FORGET TO TIGHTEN FUEL

LINES (SHOW IN PICTURE 44)

Picture 44

42) Attach the fuel pressure regulatorvacuum hose coming from the suppliedhose on the left side of thesupercharger.

Picture 45

43) Re-attach the crankcase vent tube topassenger side valve cover. On oldermodels re-attach the crossover tube.

44) Replace flexible intake duct.

Picture 46

45) Install new belt. The belt configuration isthe same as stock, except it runs overthe supercharger pulley.

46) Re-install the air box intake ducts.47) Tie wrap the left side solenoid to the fuel

rail.48) Replace the plastic engine valve covers.

The center cover will need extensivetrimming to fit. .

Picture 47

49) Re-install the ECU.50) Re-connect the negative battery

terminal.51) Do a final inspection of all hoses,

fittings, screws, and connectors.52) Be sure all tools have been removed

from the engine compartment.



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STARTING THE CAR

• First turn the key to the on positionto verify that the “check engine” lightcomes on. In the rare instance thatthere is no “check engine” lightpresent, do not attempt to start thecar. Call Motodyne if this occurs.

• When starting the car for the firsttime, you should have anotherperson looking under the hood forfuel leaks or any other unforeseenproblems.

• As a precaution, the observershould have a fire extinguishernearby.

• Never touch the accelerator pedalbefore or during cranking theengine.

MAINTAINENCE• USE ONLY SUPER UNLEADED

FUEL (Minimum octane 92)• Race fuel (100+octane) should be

used on track days.• The Lysholm supercharger is

internally lubricated with syntheticlubricant. The Supercharger oil levelshould be checked every 10,000miles. To check the oil level, simplyremove the oil plug on the front ofthe SC unit. The oil should be just atthe bottom of the oil fillhole.

USE ONLY MOTODYNE/LYSHOLM LUBRICANT WHENADDING OIL.

• OTHER OILS WILL DAMAGE THEUNIT AND VOID THE WARRANTY.

• SEE MOTODYNE. COM FORPROPER WEIGHT OIL

• Change your engine oil every 3000miles.

• Regularly inspect the fasteners fortightness.

• Periodically inspect the serpentinebelt for wear.

• MPT recommends using a sparkplug one(1) heat range colder thanstock in geographic areas with veryhigh temperatures, or when the carwill be driven on the track ( Astested in Arizona).

CONCLUSION

We hope that you enjoy your newMOTODYNE ME2 superchargersystem. If you have anyquestions please call us at:856-988-8477

We greatly appreciate yourbusiness!

MPT LIMITED WARRANTY

THE WARRANTY



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The original purchaser of the MPT ME2Racing & off Road supercharger system iswarranted against defective materials andworkmanship for one year from date ofpurchase with unlimited mileage.

WHAT VOIDS THE WARRANTY

• Incorrect installation and/ormaintenance: The MPT ME2supercharger system must beinstalled and maintained as per theprescribed routine maintenanceprocedure as outlined in theinstallation guide.

• No proof of purchase: At the time ofa warranty claim, buyer mustprovide proof of purchase (originalreceipt or invoice).

• Incorrect use: Any damaged,abused, or modified superchargerunits or system parts will not bewarranted this includes pulleyswaps.

EXTENT OF WARRANTY

any defective part properly returned to MPTwill be replaced by MOTODYNE.COM.

MPT will not be responsible for any otherexpenses incurred by the customer underthe terms of this warranty, nor shall it beresponsible for any damages consequential,special, contingent, or otherwise; orexpenses or injury from the installation oruse of the supercharger system. Any partsreturned to MPT shall be sent at thecustomer's expense along with a proof ofpurchase. MPT reserves the right todetermine whether the terms of thewarranty, set out above, have been properlycomplied with. In the event that the termsare not complied with, MPT shall be underno obligation to honor this warranty.



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