E-Box in plenum chamber, removing and installing

WARNING: This page is about a different car, the 2002 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.

Removing

NOTE: All cable ties opened or cut during removal must be reinstalled at the same locations during installation.

Remove rubber seal for plenum chamber cover.

Fig 1: Identifying Plenum Chamber Cover & Removing Rubber Seal

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove plenum chamber cover -1- toward front -arrows-.

Fig 2: Removing Securing Clips And Cowl

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Pry off both caps using a screwdriver -3-.
Loosen hex nuts -4- by several turns.
Loosen wiper arm -2- from wiper shaft by lightly tilting.
Remove hex nuts completely and remove wiper arms.

Disconnect securing clips -1- and remove cowl panel grill -5-.

Fig 3: Removing Screws And Cover From E-Box In Plenum Chamber

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove cover for E-box, plenum chamber -arrows-.

Fig 4: Using Screwdriver To Remove Retainer Bar And Engine Control Module (ECM) J623

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Using a screwdriver, pry off retaining bar -arrow-.

Fig 5: Releasing Connector Latches And Pulling Off Connectors On Engine Control Module

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Disengage connector catches -arrows- and disconnect harness connectors -1- and -2- from Engine Control Module (ECM).
If present, unclip Transmission Control Module (TCM) retaining bracket.

Fig 6: Disengaging Harness Connector And Disconnecting It From Transmission Control Module (TCM)

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Release harness connector -arrow- and disconnect it from Transmission Control Module (TCM).
If present, cut through cable tie.

Fig 7: Connector At Connector Rail And Wire

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Pull off connectors -2- at rear of connector strip.
Unscrew wire connection -1-.

Fig 8: Locating Auxiliary Relay Carrier Catches

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Release catches s -arrows- and remove auxiliary relay carrier in E-Box toward top.
Detach engine wiring harness at E-box and at bulkhead and move it free.

Fig 9: Identifying Securing Nuts

GW00021798

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove securing nuts -arrows-.
Lift E-Box and remove upward.

Installing

Installation is reverse of removal, paying attention to the following:

NOTE: All cable ties opened or cut during engine removal must be reinstalled at the same locations during installation.

Tightening torque

Component	Nm
E-box plenum chamber to body	3