MY POWER BRAKE VACUUM PUMP WONT SHUT OFF

2001 Chevrolet S-10

Tiny

jimelginjr

March, 28, 2013 AT 12:46 AM

My power brake vacuum pump won't shut off. Even if I shut pickup off. Is the power source to pump constant hot? Trying to figure out if I have a short or pump has a stuck switch.

4 Answers

Tiny

ASEMaster6371

March, 28, 2013 AT 12:48 AM

It may be the relay for the hydravac pump.

Roy

Tiny

jimelginjr

March, 28, 2013 AT 12:50 AM

In the fuse box

Tiny

jimelginjr

March, 28, 2013 AT 1:00 AM

If I pull the abs fuse it shuts off

Tiny

ASEMaster6371

March, 28, 2013 AT 2:03 AM

Ok, not a hydrovac. It is an electric pump for the abs. The unit is most likely the issue. Have someone look in the system with a scanner to see if it is commanded on

Roy

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