5 Series E39 530d (M57) SAL
H.P. pump and pressure regulator
Connect special tool 13 5 410
between high-pressure pump and
pressure sensor of pressure
accumulator,
refer to 13 51 542 .
Actuate starter and read off "actual
rail pressure value".
If actual value = specified value,
check injectors.
If "actual rail pressure value" is too
low, check pressure regulator.
-
Pressure regulator
Remove pressure regulator.
Refer to 13 53 570
.
Replace pressure regulator,
refer to 13 53 570 .
Actuate starter and read off "actual
rail pressure value".
If "actual rail pressure value" is too
low, check high-pressure pump.
If actual value = specified value,
read out fault memory. Check stored
fault messages. Rectify faults. Now
clear the fault memory.
-
H.P. pump
-
Remove H.P. pump.
Refer to 13 51 004
.
-
Read fault memory. Check
stored fault messages. Rectify
faults. Now clear the fault
memory.
Remove and install/replace high-
pressure pump,
refer to 13 51 004 .
Injectors
-
Reinstall pressure line between
high-pressure pump and
pressure accumulator.
-
Reconnect pressure sensor of
pressure accumulator.
-
Check injectors,
refer to 13 51 544 .
Remove and install injectors,
refer to 13 53 315 .
RA Troubleshooting on common rail system at excessively low pressure (engine does n
BMW AG - TIS
20.02.2013 12:29
Issue status (12/2007) Valid only until next DVD is issued
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