Impossible To Get To Hydraulic Brake Line


really awful
Typical Repair Cost:
No data
Average Mileage:
136,000 miles
Total Complaints:
1 complaints

Most Common Solutions:

  1. not sure (1 reports)
2001 Pontiac Grand Prix brakes problems

brakes problem

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2001 Pontiac Grand Prix Owner Comments

problem #1

Sep 012014

Grand Prix 4D GT 3.8L V6

  • Automatic transmission
  • 136,000 miles


The problem started when the brake lines started to get really "spongy." Aside from that, the brake light was staying on for the e-brake. I decided to fill the master cylinder with brake fluid and everything seemed OK for about a mile when the brakes started feeling spongy again. The problem with the brakes being weak actually caused me to have a small fender-bender, but luckily no one was hurt! The worse part of the damage was to my front bumper cover.

With me not being too much of a mechanic, I brought the issue up to a friend of mine who is a pretty decent "shade-tree mechanic." He suggested that we bleed the brakes, and that's when we noticed the REAL problem! As I pumped the brakes from the inside, he started to see smoke from under the hood. Upon further investigation, we noticed that the steel brake line that goes to the front right (passenger caliper) was corroded. The worst part of it is, it's corroded right next to the firewall where the line enters the plastic mount near the bottom front left-hand side.

My biggest issue with this problem is that it doesn't appear to be easily fixed, without taking out the entire engine to get to all the brackets and mounts! One would think that GM would've discovered this issue early on in the manufacturing process and would've either rerouted the brake line, or used something that would not corrode easily (i.e.: stainless steel, copper, Teflon, aluminum, etc.).

Now I am stuck trying to figure out how to replace the small section of bad line with some sort compression fitting, rerouting the line, or finding someone who can pull the engine to replace the line back to the original factory configuration.

I love my Grand Prix, and most of GM's products, but I am HIGHLY dissatisfied with this issue!

- , Columbus, OH, USA

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