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Driver
 
Join Date: Jan 2004
Location: Gahanna, Ohio
Posts: 543
Garage
Everything is back together but...

Hi All,

So, after removing and replacing/refurbishing the following:


  • Front Left & Right Strut assembly (rebuilt)
  • Front Left & Right brake caliper (Rebuilt by Goldline Brakes)
  • Rebuilt wheel bubs with new bushings and races inside and outside.
  • Front brake hoses left & right
  • Hard brake line right side
  • New brake pads, all new hardware, new brake line sensors.
  • Sway bar stripped & powder coated to match struts, all new hardware, and bushings.


I got the car started up and saw the dreaded brake pad warning light was on.

I took the car for a very short (+ - 1 mile) drive around the neighborhood to seat the pads a bit. I plan to do more but the 1st thing I need to do before any significant driving is to get the car to the alignment shop.

Any idea why my brake pad light would be on? Perhaps after everything gets broken in a bit the light will go off? Wishful thinking?

GHEN

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'87 944
Old 11-04-2018, 05:52 AM
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Join Date: Jul 2004
Location: Upstate New York
Posts: 2,288
The brake pad light is an indicator that there is a break in one of the four wheel circuits. Check the connections and try jumpering the connection at each of the connectors.

IIRC, a paper clip works as a pretty good jumper.
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Good luck, George Beuselinck
www.944ecology.com
Porsche Deconstructor (tm)
We buy 944s and sell 944 parts (845-379-1944)
We rebuild torque tubes and instrument clusters for 944/968/928
Old 11-04-2018, 06:27 AM
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Driver
 
Join Date: Jan 2004
Location: Gahanna, Ohio
Posts: 543
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Quote:
Originally Posted by 944 Ecology View Post
The brake pad light is an indicator that there is a break in one of the four wheel circuits. Check the connections and try jumpering the connection at each of the connectors.

IIRC, a paper clip works as a pretty good jumper.
Hi George,

Thanks for the tip. When you write "jumper the connections" should I do this where the brake pad sensors plug into their housing as shown below?





As always I appreciate the help.

GHEN
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'87 944
Old 11-04-2018, 06:40 AM
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Was the brake pad sensor light on before you changed the brake pads?
Did you install new brake pad sensor wires?

The sensors are nothing more than a plastic block with a thin piece of wire where the sensor touches the rotor and they wear through and have to be replaced.

If one, or more, of the brake pad sensors were worn down, they become permanently open and you will have to install new ones to get the light to go out.
Old 11-04-2018, 09:52 AM
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Driver
 
Join Date: Jan 2004
Location: Gahanna, Ohio
Posts: 543
Garage
Quote:
Originally Posted by Pauld_94S2 View Post
Was the brake pad sensor light on before you changed the brake pads?
Did you install new brake pad sensor wires?
.
Sorry for the lack of clarity on my part. The brake pad sensor light was not on before I changed the brake pads.

I did install two new brake pad sensor wires up front. No work was done to the rear brakes at all.

GHEN
Old 11-04-2018, 10:20 AM
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Quote:
Originally Posted by GHEN View Post
Hi George,

Thanks for the tip. When you write "jumper the connections" should I do this where the brake pad sensors plug into their housing as shown below?





As always I appreciate the help.

GHEN
That is where I would do it. Remove the sensor side from the connector and jumper the connector.
__________________
Good luck, George Beuselinck
www.944ecology.com
Porsche Deconstructor (tm)
We buy 944s and sell 944 parts (845-379-1944)
We rebuild torque tubes and instrument clusters for 944/968/928
Old 11-04-2018, 11:24 AM
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944 S2
 
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Location: Middle of Ohio
Posts: 330
Had the exact same issue after I replaced disks, pads and sensors. Turn out to be a bad ground in the back. It was the harness from the rear brakes to the first junction on both sides of the trans. Sure enough after I cleaned it the light went out.
Old 11-04-2018, 05:45 PM
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944 S2
 
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Location: Middle of Ohio
Posts: 330
Try this thread

Brake sensors

Old 11-04-2018, 05:56 PM
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