not getting power to air pump

10

Asked by Nov 23, 2013 at 02:58 PM about the 2002 Mercedes-Benz S-Class

Question type: Maintenance & Repair

i replaced the front struts then had noise so changed upper control arm after that pump wouldnt work so dealer told me bad pump replaced it and new relay fuses under hood are good but still no power to pump

8 Answers

you've got to get in there with an ohm meter to see if the pump has electrical continuity~ if it does, measure the connector for the presence of 12 volts~

4 of 4 people found this helpful.

kink or break in the wire...traverse it's length to find the kink~

2 of 2 people found this helpful.
Best Answer
68,655

Yup, sounds like a wire got broken during the repairs. Just like The Judge said. HTH. -Jim

1 of 1 people found this helpful.
10

Thanks alot found the break in the line. Got the pump running. If you wouldnt mind got another issue the passenger side is to high. What would be the problem there.

1 of 1 people found this helpful.

check for a restriction in the piping...crimped during repairs?

...the "manifold" as it were is not distributing the pressures correctly...see if you can spot an obstruction...perhaps a bolt that is too long mountin' the thing~

10

i took the lines off of the block not sure if they are in the right places

68,655

There should be a height sensor under there. Check for a restricted line to the driver's side, as The Judge said. Sounds like the height sensor is on that side as well. This sensor "reads" vehicle trim height and adds or removes air accordingly to maintain proper vehicle standing height. HTH. -Jim

1 of 1 people found this helpful.

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