Vacuum Pump: Service and Repair
WM 477619 Removing and installing vacuum pumpInformation
A vacuum pump is used to create the vacuum for the brake booster.
Vacuum pump up to 2008 model (tandem pump)
Up to 2008 model,, this vacuum pump, together with the oil suction pump on the right cylinder head, is designed as a tandem pump -3-. It is driven by the outlet camshaft on the right cylinder bank.
Tandem pump on right side of cylinder head - up to 2008 model
Vacuum pump as of 2009 model (solo pump)
As of 2009 model, the vacuum pump -1- is designed as a solo pump.
Solo pump on right side of cylinder head - as of 2009 model (view from below)
It is driven by the outlet camshaft on the right cylinder bank.
Removing and installing vacuum pump
Removing vacuum pump - up to 2008 model
Information
When you loosen the fastening screws, engine oil will run out of the vacuum pump. Place a suitable container underneath to collect the emerging engine oil. The engine-oil level must be checked and topped up afterwards (following installation).
1. Remove tandem pump -3- on the right side of the cylinder head.
1.1. Loosen the vacuum line -2- (unscrew two internal Torx screws at the top -1-).
Tandem pump on right side of cylinder head
Pull the vacuum line -2- out of the joining socket on the pump.
1.2. Unscrew lower fastening screws -1- and remove the tandem pump -3-.
Installing vacuum pump - up to 2008 model
1. Clean contact surfaces on the tandem pump and cylinder head.
2. Replace the sealing ring -3- and grease it before fitting.
Sealing ring on tandem pump
Grease sealing ring with "Kluber Syntheso Glep 1 " (Porsche Part No. 000.043.204.68).
3. Install the tandem pump -3-.
Tandem pump on right side of cylinder head
3.1. Align and insert driver for the tandem pump.
3.2. Connect the vacuum line -2-.
Tighten screws on the tandem pump -1-.
Tightening torque: 9 Nm (6.5 ftlb.).
Subsequent work
Subsequent work
1. Start the engine to allow it to warm up and carry out leak test.
2. Check engine-oil level and top up engine oil if necessary.