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Has anyone ever replaced their rear brake lines that run from the engine compartment, under the car and back towards the left rear wheel? The fuel lines also run along the same path under the car. As they approach the fuel tank, they are all together right near the wheel well. After 13 years of brutal winters with plenty of road salt, I have developed leaks in both one of the brake lines and one of the fuel lines. They are really corroded. I want to get all new lines and replace them but I was wondering if anyone else has had to do this and what problems I might run into.
Well, I guess most of the people here live in 'fair' weather areas. Anyhow, I ordered the parts, 2 brake lines and 2 fuel lines. About $125 worth of tubing. I also ordered Goodrich SS lines for the run to the calipers.
Yes, the lines are pre-bent and were ordered from a local dealership. I tried to get them from Courtesy Nissan in Texas where I get a lot of my parts, but they told me that they were too hard to ship because of their size and fragility, and that I should order them locally, so I did. The line that goes to the passenger rear is very long with a lot of bends.
No. The master cylinder has 2 short runs to the middle of the firewall where there is a junction block. The new lines start at the junction block in the middle of the firewall, run down and toward the driver side under the car where they run in a channel under the car, along with the fuel lines, toward the rear of the car in front of the rear wheel well, and then one line goes to the driver side wheel and the other line continues around that wheel, around the fuel tank, and then to the other rear wheel. The passenger side rear is the longest run, so that is the one that you always start with when bleeeding the brakes.
The part numbers for the metalic fuel lines from tank to engine and return from engine to tank are:
17506-70Y10 tank to engine list $41.84
17510-70Y10 return line list $44.46
There is one other fuel line, but I did not order this one. It runs from charcoal filter in the engine compartment and back to the fuel tank. It's a vent/vapor line. I wasn't that concerned about this one since it doesn't actually carry a liquid.
Update for those that may be interested. I have completed the job of replacing the lines. It took me 15 hours spread over 2 days. It's a very tedious job. The most difficult part was running the brake line to the passenger side rear. I had to drop the fuel tank in order to get the line where it was supposed to go. I originally thought I could snake the line behind the tank, but this proved to be too tough. Other problems encountered were removing all the old rusty lines and the pieces holding them and protecting them. I also had a difficult time removing the old lines and reconnecting the new lines at the firewall. There is not much room there to get a wrench on it, and I have big hands. I had my 15 year old son help me with this part.
Anyway, upon inspecting all the old lines after they were out, I can say that I am glad I did this. One of the fuel lines was so bad I squeezed it with my fingers and it collapsed. I also checked the brake lines to see if I could find where it was leaking. Found the spot and bent it there and it snapped in half. You could see that the line was thoroughly rusted through there. If I didn't mention it before, I also installed Goodrich SS brake lines at each wheel.
