P.A.S. Power Steering Pump, Vehicles With High Mounted Power Steering Pump, Removing and Installing
P.A.S. power steering pump, vehicles with high mounted power steering pump, removing and installing
Special tools, testers and auxiliary items required:
^ Hose clamps 3094
^ Torque wrench V.A.G. 1331
^ Assembly tool for spring-type clip pliers VAS 5024
Power steering pump is not serviceable. If complaints are received, determine cause with the help of pressure tests, leak test and Guided Fault Finding. If a malfunction is present, the pump must be replaced.
Note:
^ Pumps supplied as replacement parts are not filled with oil. They must be filled with hydraulic fluid G 002 000 and turned by hand before installation, otherwise pump noise or damage can result in operation.
^ Type of fluid. Hydraulic fluid G 002 000
^ System oil capacity. 0.7 to 0.9 l
Removing
- Remove noise insulation.
- Loosen belt pulley hex socket head bolt.
Counter-hold with a hex key if necessary.
- Turn tightening device in direction of - arrow - to relieve tension on ribbed belt.
For ease of illustration, relieving belt pulley tension is shown without charge air line.
^ Identify direction of rotation of ribbed belt
^ Remove ribbed belt.
^ Remove belt pulley hex. socket head bolt.
Removing intake line and intake hose
Removing intake hose
- Open spring-type clamps - 1-, -2 - and - 3
- Remove intake hose - A-.
Removing intake line
We recommend that the flexible pliers from tool set VAS 5024 be used to remove the intake line lower spring-type clip.
- Disconnect all electrical cables and hoses.
- Open spring-type clamps - 1 - with flexible pliers.
- Remove intake line - B -.
- Clamp off intake hose with hose clamps 3094.
- Open spring clamp - 3 - and remove intake hose
Use assembly tool for spring-type clip pliers VAS 5024 for this.
- Clamp return hose with hose clamp 3094.
- Remove banjo bolt - 2 -.
- Close off the pressure line with a plastic bag or similar.
- Remove hex bolts - 1 - and - 2 -.
- Remove pump.
Installing
- Fill power steering pump with hydraulic fluid.
Fill pump with fluid through intake line.
- Turn hub by hand until oil runs out of pressure side.
- Install power steering pump on bracket and tighten bolts to 25 Nm.
- Install intake hose and spring-type clip.
The mark - arrow A - must align with casting seam - arrow -.
The spring-type clip must close off mark - arrow B -.
- Install new sealing rings onto banjo bolt.
- Tighten banjo bolt to 38 Nm
Installation is in reverse sequence