How to change water pump & timing belt kit on AUDI A3 Sportback (8PA) – replacement guide
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Recommended replacement interval for the part category Water pump and timing belt kit : 70000km
Important!
This replacement procedure can be used for:
AUDI A3 Sportback (8PA) S3 quattro,
AUDI A3 Sportback (8PA) S3 quattro,
AUDI A3 Sportback (8PA) 2.0 TFSI quattro,
AUDI A3 Sportback (8PA) 2.0 TFSI
…
View more
The steps may slightly vary depending on the car design.
This video shows the replacement procedure of a similar car part on another vehicle
All the parts you need to replace – Water Pump + Timing Belt Kit for A3 Sportback (8PA) and other AUDI models
Replacement: water pump & timing belt kit – AUDI A3 Sportback (8PA). Tip from AUTODOC experts:
Follow the terms, recommendations and requirements of the part operation provided by the manufacturer.
Warning! Shut down the engine before starting any work – AUDI A3 Sportback (8PA).
Carry out replacement in the following order:
Step 1
Open the bonnet.
Step 2
Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
Step 3
Unscrew the fasteners of the car battery terminals. Use a drive socket #10. Use a ratchet wrench.
Step 4
Remove the battery terminals.
Step 5
Unscrew the coolant reservoir cap.
Step 6
Loosen the bumper upper fasteners. Use Torx T27. Use a drive socket #10. Use a ratchet wrench.
Step 7
Lift the car using a jack or place it over an inspection pit.
Step 8
Unscrew the wheel bolts. Use wheel impact socket #17.
AUTODOC recommends:
Warning! To avoid injury, hold the wheel while unscrewing the fastening bolts. AUDI A3 Sportback (8PA)
Step 9
Remove the wheel.
Step 10
Unscrew and remove the wheel arch cover fasteners. Use Torx T25. Use a ratchet wrench.
Step 11
Remove the wheel arch cover.
Step 12
Unscrew the fastener of the spacer under the bumper reinforcement bar. Use Torx T25. Use a drive socket #10. Use a ratchet wrench.
Step 13
Unscrew the fastener connecting the bumper to the fenders. Use a drive socket #10. Use a ratchet wrench.
Step 14
Release the side clips of the bumper. Carefully release the bumper from the fasteners.
Step 15
Lower the car.
Step 16
Unscrew the upper fasteners of the bumper and remove it. Use Torx T27. Use a drive socket #10. Use a ratchet wrench.
Step 17
Detach the connectors of the fog lights.
Step 18
Detach the headlamp washer hose.
Step 19
Unscrew the headlight fasteners. Use Torx T27. Use a ratchet wrench.
Step 20
Remove the headlight.
Replacement: water pump & timing belt kit – AUDI A3 Sportback (8PA). Tip from AUTODOC:
Do not apply excessive force when removing the part. Otherwise you may damage it.
Step 21
Unplug the connectors of the headlight bulbs. Use a clip removal tool.
Step 22
Unscrew the headlight fasteners. Use Torx T27. Use a ratchet wrench.
Step 23
Remove the headlight.
Replacement: water pump & timing belt kit – AUDI A3 Sportback (8PA). AUTODOC recommends:
Do not apply excessive force when removing the part. Otherwise you may damage it.
Step 24
Unplug the connectors of the headlight bulbs. Use a clip removal tool.
Step 25
Unplug the horn connector.
Step 26
Detach the air duct.
Step 27
Unplug the horn connector.
Step 28
Remove the air duct.
Replacement: water pump & timing belt kit – AUDI A3 Sportback (8PA). Tip:
Do not apply excessive force when removing the part. Otherwise you may damage it.
Step 29
Unplug the connector of the coolant temperature sensor.
Step 30
Detach the wiring of the coolant temperature sensor. Use a flat screwdriver.
Step 31
Unscrew the fasteners of the bumper reinforcement bar. Use a drive socket #13. Use a ratchet wrench.
Step 32
Remove the bumper reinforcement bar.
Step 33
Unscrew the fasteners of the radiator air guides. Use Torx T20. Use a ratchet wrench.
Step 34
Remove the radiator air guides.
Step 35
Unscrew the fasteners of the hydraulic power steering hoses. Use Torx T20. Use Torx T27. Use a ratchet wrench.
Step 36
Detach the hydraulic power steering hoses.
Step 37
Prepare a container for fluids.
Step 38
Open the coolant drain tap. Use water pump pliers.
Step 39
Drain the coolant from the engine.
Replacement: water pump & timing belt kit – AUDI A3 Sportback (8PA). Professionals recommend:
Caution! The coolant can be very hot.Wear gloves to prevent contact with hot liquid.All work should be done with the engine stopped.
Step 40
Close the coolant drain tap.
Step 41
Detach the clip of the lower coolant hose. Use a clip removal tool.
Step 42
Detach the lower coolant pipe. Use a crowbar.
Step 43
Detach the air intake hose clamp. Use a drive socket #7. Use a ratchet wrench.
Step 44
Remove the air intake pipe.
Step 45
Cover the intercooler air guide with a microfibre cloth to prevent dirt and foreign objects from getting into the system.
Step 46
Detach the air intake hose clamp. Use a drive socket #7. Use a ratchet wrench.
Step 47
Clean the air hose fastener. Use all-purpose cleaning spray.
Step 48
Detach the air intake hose clamp. Use a drive socket #7. Use a ratchet wrench.
Step 49
Remove the air intake pipe.
Step 50
Cover the intercooler air guide with a microfibre cloth to prevent dirt and foreign objects from getting into the system.
Step 51
Prepare a container for fluids.
Step 52
Loosen the fastener of the hose of the automatic transmission fluid cooling line. Use a combination spanner #19. Use a combination spanner #22.
Step 53
Detach the hose of the automatic transmission fluid cooling line.
Step 54
Clean the hose of the automatic transmission fluid cooling line. Use a wire brush. Use all-purpose cleaning spray.
Step 55
Detach the clamps of the pipes of the automatic transmission fluid cooling line. Use a flat screwdriver.
Step 56
Remove the pipes of the automatic transmission fluid cooling line.
Step 57
Close the pipes of the automatic transmission fluid cooling line with caps.
Step 58
Clean the pipes of the automatic transmission fluid cooling line. Use all-purpose cleaning spray.
Step 59
Unscrew the fasteners of the air intake duct. Use a Phillips screwdriver.
Step 60
Remove the air intake duct.
Step 61
Unplug the connector of the engine cooling fans.
Step 62
Remove the wiring harness holder.
Step 63
Unplug the connector of the engine cooling fans.
Step 64
Detach the clip of the upper coolant hose. Use round-nose pliers.
Step 65
Detach the upper coolant hose.
Step 66
Remove the bonnet weather strip.
Step 67
Unscrew the fasteners of the air conditioning radiator. Use Torx T27. Use a ratchet wrench.
Step 68
Remove the air conditioning radiator.
Step 69
Unscrew the fasteners of the engine cooling radiator support panel. Use Torx T27. Use a ratchet wrench.
Step 70
Remove the bonnet latch cable.
Step 71
Support the engine in the oil pan area. Use a jack.
Step 72
Remove the support panel together with the engine cooling radiator.
AUTODOC recommends:
Replacement: water pump & timing belt kit – AUDI A3 Sportback (8PA). Do not use excessive force when removing the part as this may damage it.
Step 73
Remove the support from under the engine.
Step 74
Remove the engine cover.
Replacement: water pump & timing belt kit – AUDI A3 Sportback (8PA). AUTODOC recommends:
Raise the engine cover, holding it on two sides simultaneously.Do not apply excessive force when removing the part. Otherwise you may damage it.
Step 75
Unscrew the fasteners of the front upper timing belt cover. Use a flat screwdriver.
Step 76
Remove the front upper timing belt cover.
Step 77
Pull aside the V-ribbed belt tensioner pulley. Use a combination spanner #17.
Step 78
Remove the V-ribbed belt.
Step 79
Return the tensioner pulley to its initial position. Use a combination spanner #17.
Step 80
Unscrew the fastener of the serpentine belt tensioner pulley. Use a drive socket #13. Use a ratchet wrench.
Step 81
Remove the serpentine belt tensioner pulley.
Step 82
Unscrew the fastener of the coolant hose clamp. Use HEX No.H6. Use a ratchet wrench.
Step 83
Loosen the coolant hose clamp. Use clic-R collar pliers.
Step 84
Detach the coolant hose.
Step 85
Unscrew the fasteners of the timing belt cover. Use a drive socket #10. Use Torx T27. Use a ratchet wrench.
Step 86
Remove the timing belt cover.
Step 87
Clean the crankshaft pulley fasteners. Use a wire brush. Use WD-40 spray.
Step 88
Unscrew the crankshaft pulley fastener. Use HEX No.H6. Use a ratchet wrench.
Step 89
Turn the crankshaft gear. Use 12-point socket No.19. Use a tap wrench.
Step 90
Lock the crankshaft. Use a crowbar.
Step 91
Remove the crankshaft pulley.
Step 92
Unscrew the fasteners of the lower timing cover. Use a drive socket #10. Use a ratchet wrench.
Step 93
Remove the lower timing cover.
Step 94
Make a mark on the crankshaft gear.
Step 95
Make a mark on the camshaft gear.
Step 96
Make a mark on the timing belt.
Step 97
Loosen the fastener of the timing belt tensioner pulley. Use a combination spanner #13. Use HEX No.H8.
Step 98
Unscrew the fastener of the timing belt idler pulley. Use a drive socket #13. Use a ratchet wrench.
Step 99
Remove the timing belt idler pulley from its mounting seat.
Step 100
Unscrew the fastener of the timing belt idler pulley. Use a drive socket #12. Use a ratchet wrench.
Step 101
Remove the timing belt idler pulley from its mounting seat.
Step 102
Remove the timing belt tensioner pulley.
Step 103
Remove the timing belt.
Step 104
Clean the water pump fasteners. Use a wire brush. Use all-purpose cleaning spray.
Step 105
Unscrew the water pump fasteners. Use a drive socket #10. Use a ratchet wrench.
Step 106
Remove the water pump.
Replacement: water pump & timing belt kit – AUDI A3 Sportback (8PA). AUTODOC experts recommend:
Caution! Coolant may come out from the water pump channels and body.
Step 107
Clean the water pump mounting seat. Use a seal scraper. Use all-purpose cleaning spray.
Step 108
Clean the water pump. Use all-purpose cleaning spray.
Step 109
Treat the water pump mounting seat. Use a sealant.
Step 110
Install the new water pump.
Step 111
Screw in the water pump fasteners. Use a drive socket #10. Use a ratchet wrench.
Step 112
Tighten the water pump fasteners. Use a drive socket #10. Use a torque wrench. Tighten it to 15 Nm torque.
Step 113
Install the new timing belt according to the factory marks.
Replacement: water pump & timing belt kit – AUDI A3 Sportback (8PA). Tip:
Be careful not to damage the timing belt.
Step 114
Install the timing belt tensioner pulley.
Step 115
Treat the fastening bolt. Use a sealant.
Step 116
Screw in the fastener of the timing belt tensioner pulley. Use a drive socket #13. Use a ratchet wrench.
Step 117
Treat the fastening bolt. Use a sealant.
Step 118
Install the timing belt idler pulley.
Step 119
Screw in the fastener of the timing belt idler pulley. Use a drive socket #12. Use a ratchet wrench.
Step 120
Treat the fastening bolt. Use a sealant.
Step 121
Install the timing belt idler pulley.
Step 122
Screw in the fastener of the timing belt idler pulley. Use a drive socket #13. Use a ratchet wrench.
Step 123
Tighten the fastener of the timing belt idler pulley. Use a drive socket #13. Use a torque wrench. Tighten it to 25 Nm torque.
Step 124
Tighten the fastener of the timing belt idler pulley. Use a drive socket #12. Use a torque wrench. Tighten it to 25 Nm torque.
Step 125
Adjust the timing belt tension by moving the tensioner pulley. Use a combination spanner #13. Use HEX No.H6.
Replacement: water pump & timing belt kit – AUDI A3 Sportback (8PA). Tip from AUTODOC:
Make sure that the timing belt is properly tensioned.
Step 126
Remove the crankshaft locking tool.
Step 127
Turn the crankshaft gear. Use 12-point socket No.19. Use a ratchet wrench.
Replacement: water pump & timing belt kit – AUDI A3 Sportback (8PA). AUTODOC recommends:
Make sure all the timing belt components are mounted correctly.
Step 128
Tighten the fastener of the timing belt tensioner pulley. Use a drive socket #13. Use a torque wrench. Tighten it to 27 Nm torque.
Step 129
Install the lower timing cover.
Step 130
Tighten the fasteners of the lower timing cover. Use a drive socket #10. Use a torque wrench. Tighten it to 10 Nm torque.
Step 131
Install the timing belt cover.
Step 132
Tighten the timing belt cover fasteners. Use a drive socket #10. Use Torx T27. Use a torque wrench. Tighten it to 10 Nm torque.
Step 133
Attach the coolant hose.
Step 134
Secure the coolant hose clamp. Use clic-R collar pliers.
Step 135
Screw in the fastener of the coolant hose clamp. Use HEX No.H6. Use a ratchet wrench.
Step 136
Treat the fastening bolts. Use a sealant.
Step 137
Install the crankshaft pulley according to the factory marks.
Step 138
Tighten the crankshaft pulley fastener. Use HEX No.H6. Use a torque wrench. Tighten it to 10 Nm torque.+90°
AUTODOC recommends:
Important! Be sure to use new fasteners.
Step 139
Treat the fastening bolts. Use a sealant.
Step 140
Install the serpentine belt tensioner pulley.
Step 141
Tighten the fastener of the serpentine belt tensioner pulley. Use a drive socket #13. Use a torque wrench. Tighten it to 23 Nm torque.
Step 142
Pull aside the V-ribbed belt tensioner pulley. Use a combination spanner #17.
Step 143
Install the V-ribbed belt.
Replacement: water pump & timing belt kit – AUDI A3 Sportback (8PA). Tip:
Make sure that the V-ribbed belt fits all pulleys snugly.
Step 144
Return the tensioner pulley to its initial position. Use a combination spanner #17.
Step 145
Support the engine in the oil pan area. Use a jack.
Step 146
Install the support panel together with the engine cooling radiator.
AUTODOC recommends:
Replacement: water pump & timing belt kit – AUDI A3 Sportback (8PA). Do not use excessive force during installation. This may damage the fasteners.
Step 147
Screw in the fasteners of the engine cooling radiator support panel. Use Torx T27. Use a ratchet wrench.
Step 148
Install the air conditioning radiator.
Step 149
Tighten the fasteners of the air conditioning radiator. Use Torx T27. Use a torque wrench. Tighten it to 13 Nm torque.
Step 150
Remove the support from under the engine.
Step 151
Attach the lower coolant pipe.
Step 152
Attach the clip of the lower coolant hose.
Step 153
Install the pipes of the automatic transmission fluid cooling line.
Step 154
Attach the clamps of the pipes of the automatic transmission fluid cooling line.
Step 155
Prepare a container for fluids.
Step 156
Remove the caps from the pipes of the automatic transmission fluid cooling line.
Step 157
Attach the hydraulic power steering hoses.
Step 158
Screw in the fasteners of the hydraulic power steering hoses. Use Torx T20. Use Torx T27. Use a ratchet wrench.
Step 159
Remove the microfibre cloth from the intercooler air guide.
Step 160
Install the air intake pipe and secure it.
Step 161
Fasten the clamp on the air intake hose. Use a drive socket #7. Use a ratchet wrench.
Step 162
Clean the pipes of the automatic transmission fluid cooling line. Use all-purpose cleaning spray.
Step 163
Attach the hose of the automatic transmission fluid cooling line.
Step 164
Tighten the fastener of the hose of the automatic transmission fluid cooling line. Use a combination spanner #19. Use a combination spanner #22. Use a torque wrench. Observe the recommended tightening torque.
Step 165
Remove the microfibre cloth from the intercooler air guide.
Step 166
Install the air intake pipe and secure it.
Step 167
Fasten the clamp on the air intake hose. Use a drive socket #7. Use a ratchet wrench.
Step 168
Plug in the connector of the engine cooling fans.
Step 169
Fasten the clamp on the air intake hose. Use a drive socket #7. Use a ratchet wrench.
Step 170
Install the bonnet latch cable.
Step 171
Install the wiring harness holder.
Step 172
Attach the upper coolant hose.
Step 173
Attach the clip of the upper coolant hose.
Step 174
Plug in the connector of the engine cooling fans.
Step 175
Install the radiator air guides.
Step 176
Screw in the fasteners of the radiator air guides. Use Torx T20. Use a ratchet wrench.
Step 177
Install the bonnet weather strip.
Step 178
Install the bumper reinforcement bar.
Step 179
Screw in the fasteners of the bumper reinforcement bar. Use a drive socket #13. Use a ratchet wrench.
Step 180
Lift the car using a jack or place it over an inspection pit.
Step 181
Support the bumper reinforcement bar. Use a hydraulic transmission jack.
Step 182
Tighten the fastener of the bumper reinforcement bar. Use a drive socket #13. Use a torque wrench. Observe the recommended tightening torque.
Step 183
Remove the support from under the bumper reinforcement bar.
AUTODOC recommends:
Replacement: water pump & timing belt kit – AUDI A3 Sportback (8PA). Lower the transmission jack smoothly, without jerks, to avoid damaging components and mechanisms.
Step 184
Plug in the horn connector.
Step 185
Attach the air duct.
Step 186
Plug in the horn connector.
Step 187
Install the air duct.
Step 188
Plug in the connector of the coolant temperature sensor.
Step 189
Attach the wiring of the coolant temperature sensor.
Step 190
Plug in the connectors of the headlight bulbs.
Step 191
Install the headlamp.
Step 192
Screw in the headlight fasteners. Use Torx T27. Use a ratchet wrench.
Step 193
Plug in the connectors of the headlight bulbs.
Step 194
Install the headlamp.
Step 195
Screw in the headlight fasteners. Use Torx T27. Use a ratchet wrench.
Step 196
Tighten the headlamp fasteners. Use Torx T27. Use a torque wrench. Observe the recommended tightening torque.
Step 197
Install the front upper timing belt cover.
Step 198
Screw in the fasteners of the front upper timing belt cover. Use a flat screwdriver.
Step 199
Install the air intake duct.
Step 200
Screw in the fasteners of the air intake duct. Use a Phillips screwdriver.
Step 201
Stick painter's tape to the car fenders to protect the paintwork from damage when demounting the bumper.
Step 202
Attach the connectors of the fog lights.
Step 203
Attach the headlamp washer hose.
Step 204
Install the bumper to the mounting seat. Make sure you hear a click indicating that it is locked in place.
Step 205
Screw in the bumper upper fasteners. Use Torx T27. Use a drive socket #10. Use a ratchet wrench.
Replacement: water pump & timing belt kit – AUDI A3 Sportback (8PA). Tip:
To prevent damage to the components, hold the bumper when screwing in the upper fasteners.
Step 206
Snap the bumper side clips into place. Make sure you hear a click indicating that it is locked in place.
Step 207
Remove the masking tape.
Step 208
Screw in the fasteners connecting the bumper to the wings. Use a drive socket #10. Use a ratchet wrench.
Step 209
Screw in the fastener of the spacer under the bumper reinforcement bar. Use Torx T25. Use a drive socket #10. Use a ratchet wrench.
Step 210
Install the wheel arch cover to its mounting seat.
Step 211
Install and tighten the wheel arch cover fasteners. Use Torx T25. Use a ratchet wrench.
Step 212
Install the wheel.
AUTODOC recommends:
Important! Hold the wheel while screwing in the fastening bolts. AUDI A3 Sportback (8PA)
Step 213
Screw in the wheel bolts. Use wheel impact socket #17.
Step 214
Lower the car.
Step 215
Secure the wheels with chocks.
Step 216
Tighten the wheel bolts using a criss-cross pattern. Use wheel impact socket #17. Use a torque wrench. Tighten it to 120 Nm torque.
Step 217
Remove the jacks and chocks.
Step 218
Remove the coolant reservoir cap.
Step 219
Insert the funnel.
Step 220
Pour coolant in the coolant reservoir.
Replacement: water pump & timing belt kit – AUDI A3 Sportback (8PA). Professionals recommend:
Only use the coolant recommended by the manufacturer.The coolant level should be at the MAX mark.Wait until the air goes out of the system.
Step 221
Open the coolant system bleed screw. Use a drive socket #10. Use a ratchet wrench. Wait until the air goes out of the system.
Step 222
Unscrew the cap of the hydraulic power steering reservoir. Remove the cap from the hydraulic power steering reservoir.
Step 223
Fill the hydraulic power steering reservoir with fluid.
Replacement: water pump & timing belt kit – AUDI A3 Sportback (8PA). Tip from AUTODOC:
Use the hydraulic power steering fluid recommended by the car manufacturer.The hydraulic power steering fluid level should be at the MAX mark on the reservoir.
Step 224
Attach the terminals to the battery.
Replacement: water pump & timing belt kit – AUDI A3 Sportback (8PA). AUTODOC recommends:
Be careful! Do not mix up the positive and the negative terminals of the car battery.
Step 225
Screw in the fasteners of the battery terminals. Use a drive socket #10. Use a ratchet wrench.
Step 226
Run the engine for a few minutes. This should be done in order to remove residual air from the cooling system and to check if the components are operating correctly.
Step 227
Shut off the engine.
Step 228
Check the coolant level. If necessary, top up to the required level.
Please note!
The coolant level should be at the MAX mark.
Step 229
Close the coolant system bleed screw. Use a drive socket #10. Use a ratchet wrench.
Step 230
Place the cap on the hydraulic power steering reservoir.
Step 231
Screw on the cap of the hydraulic power steering reservoir.
Step 232
Install the coolant reservoir cap.
Step 233
Screw on the coolant reservoir cap.
Step 234
Install the engine cover and secure it.
AUTODOC recommends:
Replacement: water pump & timing belt kit – AUDI A3 Sportback (8PA). Do not use excessive force during installation. This may damage the part.Make sure the engine cover is properly seated. It should not be displaced with respect to the guiding fasteners.
Step 235
Remove the fender protection cover.
Step 236
Close the hood.
Replacement: water pump & timing belt kit – AUDI A3 Sportback (8PA). AUTODOC experts recommend:
Be sure to record the mileage at which you replaced the timing belt and water pump kits.
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