NOTES ON FUEL PRESSURE CHECK (REFERENCE PRESSURE: ENVIRONMENT)
Feature of this version with ambient pressure:
The connection for the vacuum hose of the fuel pressure regulator is located
between the
REPLACING COMPLETE INJECTION PIPE (N52/ N52K)
Special tools required:
13 5 281
Necessary preliminary tasks:
Read out fault memory of DME control unit
Switch off ignition
Remove clean air pipe
Dimensions in mm.
Measurement tolerances:
< or = 1000 mm +- 1.5 mm
> or = 1000 mm +- 2.5 mm
The control points shown serve to check the body and the straightening
attachment.
The specified dimensions/measurements always refer to the centerpoint of the
bore/screw.
Underbody view 1
Fig.
1.0 Recommended tools
Only use those tools designed for steel repairs.
2.0 Straightening outer shell
"Cold" straightening: Press dents out from their center and smooth in an
inwards direction with
gentle taps.
In the case of small, soft dents (hail and parking damage), this is also
possible