Community Forums

tpres1700 · 02-10-2015, 04:05 PM

hello, this is my first post to this forum and im hoping some one with a
2002 holiday rambler ambassador cummins diesel can help me with a problem. I have a small black rubber hose hanging on the ground, It is attached on the intercooler 90 degree elbow where it enters the engine
on the passenger side of the engine. my problem is that I haveno idea where the other end of this hose goes. I would appreciate any help.

terry735001 · 02-10-2015, 04:29 PM

if no one here can help i would say go on ebay and look at motors for seal

i find many times the pics i need to show me how it was so post to be or what parts i have that are missing

tpres1700 · 02-10-2015, 05:30 PM

Thank you for replying , I guess Im just hoping somebody that has a ambassador will look at this and let me know where this hose goes.

Alrv · 02-10-2015, 05:36 PM

That may be what they call a puke tube on diesel motors. Some type drain tube. Maybe some else will reply

Gary RVRoamer · 02-12-2015, 08:14 AM

Re a "puke tube": Back in those years there was always a crank case "slobber tube" that vents oil gasses, but that doesn't connect to the intercooler. I can't think of any reason to vent the intercooler, but I'm no diesel mechanic either. A water drain line, maybe? To remove condensation from the air when it is cooled?

jacwjames · 02-12-2015, 08:21 AM

Could be the small hose (~1/4") hose that goes to the filter minder?

My filter minder is at the back of the engine but runs up and attaches to the air intake tubing.

twinboat · 02-12-2015, 09:33 AM

The intercooler is between the turbo and engine intake. It may be a boost sensor or gauge hose. If a gauge, just plug it for now. If a sensor, you should look for where it goes, somewhere near the injection pump. It could affect fuel injection rates.

Mack engines called it a puff limiter. It would lean out the fuel at idle, so it would`nt puff black smoke when starting out.

Good luck

**JohnRR** · 02-12-2015, 12:19 PM

Good luck with your search.

Garymac · 02-12-2015, 04:32 PM

What side of the inter cooler is it located. Is yours a rear or side radiator?

DonL · 02-12-2015, 10:21 PM

How small is small. Your air compressor likely takes its air supply from the turbo charged and cooled air inventory.

guardrail53 · 02-12-2015, 11:00 PM

Your Intercooler is a closed, charged, system. if it was hooked to the intercooler, your performance would be non-existent! You would also be seeing a lot of black smoke! All of the intercooler's I have seen have 2 hoses of 3" to 4" diameter hooked to them? Do not know of any other's that are hooked to them, but some one else may know? Rail!