Water pump - remove and install — VW
Water pump - remove and install on VW: 32 steps, 11 torque figures, engines BJY, BMD, CHF, CHFA. What to remove, what to tighten and to how many Nm, what.
Workshop procedure for VW — the exact step sequence and torque figures, straight from real workshop data.
🧭 Before you start
Fits: platform codes 6A1, 6A5
- Opens: coolant
- Timing position: the crankshaft or camshaft is set and locked during this job
- Special tools named: torque wrench
Don't miss
- Ensure proper gasket seating (arrows).
- The following water pump installation sequence must be followed.This ensures proper tension of the toothed belt.An additional mechanic is required to execute the following operations. — Place the cylinder 1 in TDC position .
- Keep the Torque wrench - 3 to 60 NmVAS 6583 constantly pressed under this torque. The torque wrench must not be supported with the other hand during the operation.
🔩 Torque settings
Values can differ between engine variants — check the code stamped on your block.
| Torque | Fastener / step |
|---|---|
| 10 Nm (7.4 lb-ft) | First tighten the fastening bolts in the indicated sequence of (1) to (5) |
| 10 Nm (7.4 lb-ft) | Tighten the fastening bolts (2), (1) and (5) to an initial torque |
| 12 Nm (8.9 lb-ft) | Tighten the fastening bolts in the indicated sequence (3), (4), (5), (1) and (2) to a… |
| 20 Nm (15 lb-ft) | Tighten the fastening screws of the water pump pulley |
| 25 Nm (18 lb-ft) | Tighten the fastening screws |
| 30 Nm (22 lb-ft) | An additional mechanic must pre-tighten the coolant pump |
| 30 Nm (22 lb-ft) | Pre tension the water pump |
| 30 Nm (22 lb-ft) | The water pump must receive a preload |
| 60 Nm (44 lb-ft) | In order to facilitate handling, place the Torque wrench - 3 to 60 NmVAS 6583 vertically |
| 60 Nm (44 lb-ft) | Install the Torque wrench - 3 to 60 NmVAS 6583 with a 10 mm internal hex bolt (6) in the… |
| 60 Nm (44 lb-ft) | Keep the Torque wrench - 3 to 60 NmVAS 6583 constantly pressed under this torque |
ℹ️ Always cross-check the exact figure against your vehicle's factory manual before final tightening — a wrong torque can damage the engine. These values are extracted from workshop data and may not cover every variant or revision.
📋 Procedure
- Drain cooling system .
- Remove the air filter line (1).
- Remove the air filter fastening bolt.
- Move the air filter upwards (2) and slide the filter towards the front of the vehicle, in points (3).
- Press the air filter with nozzle in the direction of the (arrow), removing it from the support (4).
- Remove the air filter from the engine compartment.
- Disconnect the BatteryAVehicle electrics27 Starter motor, alternator, battery.
- Remove the BatteryAVehicle electrics27Starter, alternator, battery.
- Remove the fastening bolts (arrows) from the water pump toothed belt cover (1)
- Remove the fastening bolt (arrow) of the inlet camshaft cover (2).
- Release the cover cable guide.
- Remove the cover (1).
- Remove the water pump lines (1).
- Remove the water pump fastening bolts in the indicated sequence (1) to (5).
- Remove the water pump and cover.
- Remove the thermostat valve .
- If the water pump is replaced, install the thermostat valve .
- Ensure proper gasket seating (arrows).
- Drench the gasket in coolant.
- ⚠ The following water pump installation sequence must be followed.This ensures proper tension of the toothed belt.An additional mechanic is required to execute the following operations. — Place the cylinder 1 in TDC position .
- Install the toothed belt centred in the respective water pump and exhaust camshaft gear.
- Support the water pump in the engine cylinder head using the fastening bolts.
- First tighten the fastening bolts in the indicated sequence of (1) to (5), to 10 Nm. — 10 Nm (7.4 lb-ft)
- Next, unscrew all bolts by one lap (360°).
- Pre tension the water pump to 30 Nm through the internal hex bolt, with a 10 mm socket, position (6), clockwise, with an extension and Torque wrench - 3 to 60 NmVAS 6583. — 30 Nm (22 lb-ft)
- In order to facilitate handling, place the Torque wrench - 3 to 60 NmVAS 6583 vertically. — 60 Nm (44 lb-ft)
- Keep the Torque wrench - 3 to 60 NmVAS 6583 constantly pressed under this torque. The torque wrench must not be supported with the other hand during the operation. — 60 Nm (44 lb-ft)
- Tighten the fastening bolts (2), (1) and (5) to an initial torque of 10 Nm. — 10 Nm (7.4 lb-ft)
- Tighten the fastening bolts in the indicated sequence (3), (4), (5), (1) and (2) to a final torque of 12 Nm. — 12 Nm (8.9 lb-ft)
- Replenish cooling system .
- Install the BatteryAElectrical equipment27Starter, alternator, battery.
- Install the air filter .
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Who makes these pages, and how
TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.
The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.
Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.
Seen a figure that does not match your manual? Write to us — we correct it and note when. support@torqfix.com
The story behind TorqFix →Workshop data on this page last updated 20 Sep 2026.