1968 rear brake line/brake hose schematic needed

[Drummerboy]

So I get under my '68 1/2 ton 2wd fleetside to spray the rubber brake line fittings with penatrating oil to start soaking the fittings, only to find one rubber hose, on the passenger side. The drivers side does not have a rubber hose, it has all hard lines and nothing on the frame where the rubber hose would be, on the passengers side. What am I missing here?

[GASoline71]

Nothing. There is only one rubber line from the passenger side frame rail to a union block near the differential. Then hard lines from the union block to the wheel cylinders behind the backing plate.

Gary

[Drummerboy]

Awesome sauce!!!! Thanks!

[Drummerboy]

Originally Posted by GASoline71

Nothing. There is only one rubber line from the passenger side frame rail to a union block near the differential. Then hard lines from the union block to the wheel cylinders behind the backing plate.

Gary

Are there any on the front?

[AussieinNC]

Check out the link below to the LMC catalog...

http://www.lmctruck.com/icatalog/cb/full.aspx?Page=149

It will show you the layout and also part numbers if want to purchase parts...

[GASoline71]

Originally Posted by Drummerboy

Are there any on the front?

The front has one rubber line per side. 67-70 they will be attached to the rear of the front cross member. 71-72 they will be attached to the front of the cross member (disc brake trucks). Where they "attach" is where they meet the steel lines.

Gary

[Drummerboy]

Originally Posted by AussieinNC

Check out the link below to the LMC catalog...

http://www.lmctruck.com/icatalog/cb/full.aspx?Page=149

It will show you the layout and also part numbers if want to purchase parts...

I'm not seeing that one rubber hose in that, schematic or on their site.

[Boog]

Unfortunately those illustrations in LMC don't help you much. I did a quick search at NAPA parts and there is a real pic of the hose and for less than $20. Have a look.

https://www.napaonline.com/en/p/UBK36542

[Drummerboy]

Originally Posted by Boog

Unfortunately those illustrations in LMC don't help you much. I did a quick search at NAPA parts and there is a real pic of the hose and for less than $20. Have a look.

https://www.napaonline.com/en/p/UBK36542

Awesome, thank you! I found it at my local O'Reillys but one was for a leaf spring truck and the other for a coil spring truck but, it also asked for left or right. They only have one on the right, which is the passenger side. But the coil spring verso said it was for the left. Not sure it matters much.....

[AussieinNC]

The brake hoses are located on page 146 of the catalog...

http://www.lmctruck.com/icatalog/cb/full.aspx?Page=146

[Drummerboy]

Originally Posted by AussieinNC

The brake hoses are located on page 146 of the catalog...

http://www.lmctruck.com/icatalog/cb/full.aspx?Page=146

That's it!

[AussieinNC]

As a suggestion make sure you use flare nut tube fitting wrenches on the pipe fittings...unless you are replacing the metal pipes as well...

Check the metal brake pipes for rust or leaks.

As you will need to bleed the brakes, make sure the bleeder nipples are free and the holes are not clogged with dirt or rust.

Bleed the brakes in order, passenger rear, drivers rear, passenger front, drivers front.

Before you start bleeding, remove the brake fail warning switch from the valve block near the master cylinder...two pipes come out of the master cylinder and enter a metal block, with two pipes then going out to the front and rear brakes. The switch is in this block. It needs to be removed so the bypass valve is not tripped and held open by the switch pin.

Hope this helps...

[Drummerboy]

Originally Posted by AussieinNC

As a suggestion make sure you use flare nut tube fitting wrenches on the pipe fittings...unless you are replacing the metal pipes as well...

Check the metal brake pipes for rust or leaks.

As you will need to bleed the brakes, make sure the bleeder nipples are free and the holes are not clogged with dirt or rust.

Bleed the brakes in order, passenger rear, drivers rear, passenger front, drivers front.

Before you start bleeding, remove the brake fail warning switch from the valve block near the master cylinder...two pipes come out of the master cylinder and enter a metal block, with two pipes then going out to the front and rear brakes. The switch is in this block. It needs to be removed so the bypass valve is not tripped and held open by the switch pin.

Hope this helps...

Yes good stuff, thanks! I plan on cutting through old hose and using a deep well socket. 5/8" I believe? And I've had both ends soaking in penatrating oil.