11 53 000 Removing and installing/replacing coolant thermostat (N14)

Special tools required:

WARNING: Danger of scalding!
Only perform these tasks on an engine that has cooled down.

Recycling:

Catch and dispose of drained coolant.

Observe country-specific waste disposal regulations.

IMPORTANT:

Read and comply with GENERAL NOTES .

Protect plug connections against coolant and contamination.

Cover plug connections with suitable materials.

Necessary preliminary tasks:

Release lock (1) on coolant pipe in direction of arrow.

NOTE:

Fig 1: Releasing Lock On Coolant Pipe

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Disconnect plug connection (1) on coolant thermostat.

Fig 2: Identifying Coolant Thermostat Plug Connection

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Disconnect plug connection (1) on coolant temperature sensor.

Unfasten screws (2 and 3).

Fig 3: Identifying Coolant Temperature Sensor Plug Connection And Screws

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Installation:

Replace seal (1).

Fig 4: Identifying Seal

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Tightening torque 11 53 1AZ

Assemble engine.

FILL COOLING SYSTEM and check for tightness.