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Rear fuel line

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fc227

1986 Grand National
Joined
May 28, 2001
Messages
1,569
Does anyone have a layout diagram of the rear fuel line (Pressure side) from the filter to the tank hoses?

I am only seeing "2" one low where the brake line also runs and one on top between the frame and body.
The one between the frame and body looks like a real pain to get at.

Are there any other clamps holding that line ?
 
I am referring to the line between the frame and body, that runs down to the fuel filter
 
I am referring to the line between the frame and body, that runs down to the fuel filter
You'll have to follow it from the filter, up the frame back. Believe there's a clamp on the top of the wheel arch on the frame.

You'll have to follow it back from there to see if there's any other clamps.
 
2 on top , 1 lower closer to the fuel filter.

I spent close to a hour trying to get a wrench or something on there I got a Offset 13mm wrench coming that should fit in there. I hope.

Otherwise I'll have to get it tow to my buddies garage and have them do it . They have a lift and all the tools.
 
Not sure what it looks like but if it is rusty you might want to just by pass it with new. I'm guessing this is hard line?
 
Yes, hard line. I have the stainless steel replacement already .

To bad they didn't put knock outs in the trunk over those bolts. Must be a safety issue.
 
It's not bad, I used a small 1/4 ratchet and socket to get the one above the drivers side control arm. I replaced the main brake line which uses the same clip to hold the fuel line in that spot.
 
and if you decide to lift the body off the frame a bit for access, some new mounts and the addition of the one the factory left out can be done "while you are there".
 
I just used braided rubber fuel injection hose and double clamped it at the metal pipes up top and you can either get a filter with a barb on the back end and GM fitting on the front, or else just cut the stock line a couple of inches behind the fitting and double clamp it there.
Plenty of places to tie it off with 1/4" thick real zip ties.
Dorman 800-233 has the GM fitting to a piece of 3/8" pipe just cut off the right angle part and double clamp on the new hose if the end is shot where the line goes into the filter now.
All but a couple of my fuel, brake, and transmission line leaks were at the stupid clamps, and I've had many..... :rolleyes:
 
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