Replacement: water pump – BMW E36. Tip from AUTODOC:
Follow the terms, recommendations and requirements of the part operation provided by the manufacturer.
Check the coolant condition and replace it if necessary.
Inspect the thermostat and the thermostat housing. Replace if necessary.
Please note: all work on the car – BMW E36 – should be done with the engine switched off.
Carry out replacement in the following order:
Step 1
Open the hood.
Step 2
Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
Step 3
Remove the fasteners of the air duct housing. Use a clip removal tool.
Step 4
Remove the air distribution housing assembly.
Step 5
Unscrew the coolant reservoir cap.
Step 6
Prepare a container for fluids.
Step 7
Open the coolant drain tap.
Step 8
Drain the coolant from the engine.
Replacement: water pump – BMW E36. Tip from AUTODOC:
Caution! The coolant can be very hot.Wear gloves to prevent contact with hot liquid.Please note: all work on the car – BMW E36 – should be done with the engine switched off.Wait until the coolant has completely flowed out of the drain hole.
Step 9
Close the coolant drain tap.
Step 10
Loosen the clamps of the coolant hoses. Use a drive socket #7. Use a ratchet wrench.
Step 11
Detach the coolant hose.
Step 12
Loosen the coolant hose clamp. Use a drive socket #7. Use a ratchet wrench.
Step 13
Detach the coolant hose.
Step 14
Detach the coolant pipe bracket. Use a drive socket #13. Use a ratchet wrench.
Step 15
Unscrew the thermostat housing fasteners. Use a drive socket #10. Use a ratchet wrench.
Step 16
Clean the thermostat housing fasteners. Use all-purpose cleaning spray.
Step 17
Unscrew the thermostat housing fasteners. Use a drive socket #10. Use a ratchet wrench.
Step 18
Remove the thermostat housing.
AUTODOC recommends:
Replacement: water pump – BMW E36. To avoid damaging the part when removing it, do not use excessive force.Caution! Coolant may leak out of the coolant lines and thermostat housing.
Step 19
Unscrew the water pump pulley fastener. Use a drive socket #10. Use a ratchet wrench.
Step 20
Pull aside the V-ribbed belt tensioner pulley. Use a drive socket #16. Use a ratchet wrench.
Step 21
Remove the V-ribbed belt.
Replacement: water pump – BMW E36. AUTODOC experts recommend:
Check the condition of the tensioner pulley and idler pulley. Replace them if necessary.
Step 22
Return the tensioner pulley to its initial position.
Step 23
Remove the water pump pulley.
Step 24
Clean the water pump mounting seat. Use a wire brush. Use all-purpose cleaning spray.
Step 25
Unscrew the water pump fasteners. Use a drive socket #10. Use a ratchet wrench.
Step 26
Remove the water pump.
Replacement: water pump – BMW E36. Tip:
Caution! Coolant may come out from the water pump channels and body.
Step 27
Clean the water pump mounting seat. Use a seal scraper. Use all-purpose cleaning spray.
Step 28
Treat the water pump mounting seat. Use a sealant.
Step 29
Install the new water pump.
Step 30
Tighten the water pump fasteners. Use a drive socket #10. Use a torque wrench. Tighten it to 9 nm torque.
Step 31
Install the water pump pulley.
Step 32
Screw in the fasteners of the water pump pulley. Use a drive socket #10. Use a ratchet wrench.
Step 33
Pull aside the V-ribbed belt tensioner pulley. Use a drive socket #16. Use a ratchet wrench.
Step 34
Install the V-ribbed belt.
Replacement: water pump – BMW E36. AUTODOC recommends:
Make sure that the V-ribbed belt fits all pulleys snugly.
Step 35
Return the tensioner pulley to its initial position. Use a drive socket #16. Use a ratchet wrench.
Step 36
Tighten the water pump pulley fastener. Use a drive socket #10. Use a torque wrench. Tighten it to 17 nm torque.
Step 37
Treat the thermostat housing mounting seat. Use a sealant.
Step 38
Install the thermostat housing.
AUTODOC recommends:
Replacement: water pump – BMW E36. To avoid damaging the part during installation, do not use excessive force.
Step 39
Attach the coolant pipe bracket. Use a drive socket #13. Use a torque wrench. Tighten it to 11 nm torque.
Step 40
Tighten the thermostat housing fasteners. Use a drive socket #10. Use a torque wrench. Tighten it to 7 nm torque.
Step 41
Clean the thermostat housing fasteners. Use all-purpose cleaning spray.
Step 42
Connect the coolant hoses to the thermostat housing.
Step 43
Fasten the clamps of the coolant hoses. Use a drive socket #7. Use a ratchet wrench.
Step 44
Remove the coolant reservoir cap.
Step 45
Insert the funnel.
Step 46
Pour coolant in the coolant reservoir.
Replacement: water pump – BMW E36. AUTODOC experts 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 47
Open the coolant system bleed screw. Use a flat screwdriver.
Replacement: water pump – BMW E36. Tip from AUTODOC experts:
This should be done in order to remove residual air from the cooling system and to check if the components are operating correctly.
Step 48
Check the coolant level. If necessary, top up to the required level.
Step 49
Install the coolant reservoir cap.
Step 50
Screw on the coolant reservoir cap.
Step 51
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 52
Close the coolant system bleed screw. Use a flat screwdriver.
Step 53
Shut off the engine.
Step 54
Reinstall the air distribution housing assembly.
Step 55
Install the air duct housing fasteners.
Step 56
Remove the fender protection cover.
Step 57
Close the hood.
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