1st Gen. Ram - All Topics Discussion for all Dodge Rams prior to 1994. This includes engine, drivetrain and non-drivetrain discussions. Anything prior to 1994 should go in here.

Need pic of combination valve location!

Old Oct 18, 2010 | 08:04 PM
  #1  
Murf's Avatar
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From: Joplin MO
Need pic of combination valve location!

Title says it all really.
Now, here's the explanation if you're interested.

When I bought my truck, I knew it had it's share of problems....blah blah blah. I found out recently that someone, somewhere yanked the combination valve, and replaced it for a proportioning valve and residual valve set up. So now I'm obviously going back to the C/V set up to hopefully eliminate my sinking brake pedal affliction.

If you gotta pic of the C/V handy I'd appreciate it. I can't find any holes in the frame rail that match up to the mounting holes in my C/V, so I'm assuming it has a mounting bracket as well?

Thanks all!

Murf
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Old Oct 18, 2010 | 09:14 PM
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From: Phoenix AZ
Originally Posted by Murf
Title says it all really.
Now, here's the explanation if you're interested.

When I bought my truck, I knew it had it's share of problems....blah blah blah. I found out recently that someone, somewhere yanked the combination valve, and replaced it for a proportioning valve and residual valve set up. So now I'm obviously going back to the C/V set up to hopefully eliminate my sinking brake pedal affliction.

If you gotta pic of the C/V handy I'd appreciate it. I can't find any holes in the frame rail that match up to the mounting holes in my C/V, so I'm assuming it has a mounting bracket as well?

Thanks all!

Murf
If you follow the brake lines down from the master cylinder, the first thing that they connect to is the combination vale. On my 90, it is tucked inside the frame rail, below the MC. With my getrag, it is just forward of the clutch fork. There is a mount separate from the valve. New valves are available from wermopar.com , but I don't think they come with the bracket, It's too dark to take a pic right now, but if no one else posts one, I'll take one in the morning....Mark
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Old Oct 18, 2010 | 09:52 PM
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From: Joplin MO
Originally Posted by maybe368
If you follow the brake lines down from the master cylinder, the first thing that they connect to is the combination vale. On my 90, it is tucked inside the frame rail, below the MC.
Thanks Mark, That's kinda where I had it figured to be. But like I said, someone before me ripped the original out so I'm kinda flying blind.
Mine's an auto, not sure if that'll make a difference or not. The FSM assumes you're replacing a factory part, so it doesn't go into exact placement. and it doesn't differentiate between auto and manual.

Don't kill yourself with the pic, but the help is appreciated!

Thanks again

Murf
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