ALLDATA 1751001 Removing and Installing Replacing Left Charge Air cooler
2009 BMW 750i {F0l) V8-4.4L Turbo {N63)
Vehicle > Powertrain Management > Fuel Delivery and Air Induction > Turbocharger > lntercooler > Service and Repair> Removal and Replacement
17 51 001 REMOVING AND INSTALLING/REPLACING LEFT CHARGE AIR COOLER
17 51 001 Removing and installing/replacing left charge air cooler (N63)
Warning!
Risk of scalding!
Only perform this repair work after engine has cooled down!
Necessary preliminary work
- Remove acoustic cover
- Remove front underbody protection.
- Remove fan cowl.
- Drain coolant for charge air cooler.
Release clamp (1 ).
Tightening torque 13 71 8AZ.
INSTALLATION
Release clamp (2).
Replace clamp (2).
Remove left charge-air duct (3).
Installation note:
Check the gasket on the exhaust turbocharger. replacing if necessary.
Important!
When loosening the coolant hoses from the charge air cooler, make sure that the connector remains connected to the throttle body. Coolant may not penetrate the plug connection at the throttle body.
Release and disconnect coolant hoses (1 ).
Remove tank vent valve (2) from charge air cooler (3).
Unlock connector (1) and remove. Release screw (2).
Tightening torque 13 71 6AZ.
Installation note:
Screw (2) is longer than screws (3) Release screws (3).
Tightening torque 13 71 6AZ.
Release clamp (4) on throttle valve unit. Tightening torque 13 71 7 AZ.
Lift out charge air cooler.
Replace faulty hose clamps.
Reassemble the vehicle.
After completing all repair work, bleed the cooling system for the charge air cooler.
13 71 Air intake system
| Type | Thread | Tightening specification | Measure | |
| 1AZ Clean-air pipe to turbocharger | N63 | M6 | 10 Nm | |
| 2AZ Intake filter housing to clean-air pipe | N63 | Hose clamp | 3Nm | |
| 3AZ Carrier plate, cylinder 1-4 to cylinder head cover | N63 | M6 | 10 Nm | |
| 4AZ Carrier plate, cylinder 5-8 to cylinder head cover | N63 | M6 | 10 Nm | |
| 5AZ Carrier plate for acoustic cover | N63 | M6 Snaploc bolt | 10 Nm | |
| 6AZ lntercooler to engine | N63 | M6 | 10 Nm | |
| 7AZ Hose to throttle valve | N63 | Screw clamp | 3.5 Nm | |
| 8AZ Hose to turbocharger | N63 | V-band clamp | 3.5 Nm |
13 71 Intake muffler
| Type | Thread | Tightening specification | Measure | |
| 1AZ Charge-air duct to compressor outlet | N54 | V-band clamp | 3.5 Nm | |
| 2AZ Clean air Y-pipe to intake muffler | N54 | L89-96 | Clamp | 3Nm |
| 3AZ Clean air duct to clean air Y- pipe | N54 | L53-60 | Clamp | 3Nm |
| 4AZ Clean air duct to EPPC bracket | N54 | K50x30 | 3.5 Nm | |
| 5AZ Charge-air duct, cold (body- fixed to engine-fixed) | N54 | L65-72 | Clamp | 3Nm |
| 6AZ Rubber mount to electric fan cowl | N54 | K60x45 | 5Nm | |
| 7AZ Raw air diversion to lock support | N54 | K50x20 | 6Nm |
https://my.alldata.com/repair/#/repair / article/ 454 7 5/ component/364/type/ 401 /nonstandard/516811 /selfie link/false
