Ribbed belt, removing and installing: Installing

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Install ribbed belt in the reverse order of removal, but note the following:

NOTE: When installing a used ribbed belt, be sure that the belt runs in the correct direction and seats properly on the belt pulleys.

Install ribbed belt on crankshaft pulley and idler wheels first. Install belt on tensioning roller last.

Fig 1: Ribbed Serpentine Belt Routing

Courtesy of AUDI OF AMERICA, INC.

To tension ribbed belt, turn tensioner clockwise (arrow) with 19 mm ring wrench and remove pin 3204.
Start engine and check that belt runs correctly.

Fig 2: Removing Pin 3204 From Ribbed Belt Tensioner

Courtesy of AUDI OF AMERICA, INC.

Install viscous fan with outer ring (fan has left-hand thread).
Counter-hold fan pulley with pin wrench 3212 and tighten fan using open-end wrench 3312 and torque wrench (FAN HAS LEFT-HAND THREADS).

Fig 3: Locating Viscous Fan And Open-End Wrench 3312
Courtesy of AUDI OF AMERICA, INC.
Install noise insulation.
Install engine cover panel.

Tightening torques

TIGHTENING TORQUES: VISCOUS FAN

Component

Nm/ft lb

Viscous fan - using torque wrench 1331 and open end wrench 3312⁽¹⁾

37/27

Viscous fan - using torque wrench without open end wrench 3312⁽¹⁾

70/52

Outer ring of fan to radiator

10/7

⁽¹⁾	Fan has LEFT HAND threads.