Removing and installing alternator: Audi R8

🧭 Before you start

Fits: Audi R8 (4S, 2015–)

• Opens: coolant
• Renewed: o-rings

Don't miss

• The installation position is shown with the engine removed for greater clarity.
• If alternator sticks in bracket, apply a 1/2 inch socket (19 mm) (item 1) at sliding bush.Screw a bolt (M8x45) into sliding bush and then pull bush out of alternator slightly by screwing in bolt (2).

📋 Procedure

1. Disconnect earth cable from battery with ignition switched off .
2. Slacken off poly V-belt and detach from alternator pulley 13Cylinder block (pulley end); Removing and installing poly V-belt.
3. Drain off coolant in engine 19Cooling system/coolant; Draining and filling cooling system.
4. Unplug electrical connector (5).
5. Detach protective cap (1) and unscrew nut.

6. Detach B+ wire.
7. Unscrew bolt (4) and detach retainer (3).
8. Disconnect coolant lines (2) at alternator. [Note: The installation position is shown with the engine removed for greater clarity.]
9. Remove bolts (arrows). [Note: If alternator sticks in bracket, apply a 1/2 inch socket (19 mm) (item 1) at sliding bush.Screw a bolt (M8x45) into sliding bush and then pull bush out of alternator slightly by screwing in bolt (2).]
10. Detach alternator.
11. To facilitate positioning of alternator, drive back bushes for securing bolts slightly. [Note: Stiff alternator mount bushes must be freed; otherwise the clamping force of the bush will not be adequate even when the bolts are tightened to the correct torque.Renew O-rings after removal.Secure all hose connections with the correct type of hose clips (same as original equipment) Electronic parts catalogue]
12. Connect battery. Steps required .
13. Start engine and check that belt runs properly.

Other AUDI procedures

• Removing and installing toothed belt – Audi · 56 torque figures
• Removing engine – Audi A8 D3 · 41 torque figures
• Removing camshaft timing chain from camshafts – Audi A6/A7 C7 · 38 torque figures
• Installing engine – Audi A8 D4 · 36 torque figures
• Removing and installing camshaft timing chain · 29 torque figures
• Exploded view of rear axle (four-wheel drive vehicles)
• Exploded view - input shaft, output shafts, differential and selector rods (front-wheel drive)
• Removing and installing exhaust gas temperature sender 2 for bank 2 G449
• Checking fuel pump G23 (right-side) - electrical test
• Removing and installing rear left vehicle level sender G76 and rear right vehicle level sender G77