On Sep 2, 2010, at 7:07 PM, David Beierl wrote: > At 06:41 PM 9/2/2010 -0700, Rocket J Squirrel wrote: >> Well, speaking to that -- what does that thing do? And is there a >> plumbing diagram of the thing anywhere? Be nice if someone designed a >> poor man's version so the next chump doesn't need to buy a darn $200 >> part. > > It hooks two hoses together. It hooks two more hoses together. It > physically supports both hoses as they cross the firewall. I > *believe* nylon hose barbs would fit the bill. > > And it makes a restricted bleeder connection with a shutoff valve > from I forget where to I forget which one of the hoses. It bleeds between the two large hoses and thence to the heater circuit at the pipe that crosses the intake plenum. The valve opens the passage between the three hoses. Look at the web between the large hose barbs and you can see how it all ties together. The valve simply closes the interconnect. It's location is the highest position in the engine compartment. Everything goes down from there until it comes back up for the heater/radiator. They usually fail at the small hose barb to the bleeder. Brass tubing and JB Weld can put Humpty back together again. Jim |
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