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Topic: What's my Leak? (Read 576 times) previous topic - next topic

What's my Leak?

Hello all.

We are a week out of Camp FT after a full engine/ trans/ gen service.  Now camped in Albuquerque as a break to celebrate the wife's brithday before returning to No. Ca.

Problem: After parking here for a day, I have a spot of liquid about 6x9 inch on the ground right under the rear pulley.  I can't see the source, but noted a small drip off the piping under the rear of the engine.  Consistentcy is water like, no distinctive smell, brown/pink in color, coolant? I have checked all the various caps and dip sticks, nothing lose. 

Does anyone have a clue? In 30k miles, I have never had any leaks except when I didn't
properly seat the oil dip stick.
Help!
Larry Boyd, Alice and Fritz the Cat
'03 U320 40 "Brutus" / '08 Jeep Cherokee

Re: What's my Leak?

Reply #1 –
Check all the hose clamps, sounds like one might be loose.
previous 1984 35 ft ORED 250 HP 3208 Cat       
previous 1998 40 ft U295 CAI 325 hp Cummins
previous 2003 40 Ft u320 build #6140 450 Cummins M11.                                                         
1999 Mazda Miata
Ron, Nancy, Tipper the cat, Max The dog
1997 U 270 36 ft build number 5174 8.3 Cummins

Re: What's my Leak?

Reply #2 –
Quote from: LBoyd –


Problem: After parking here for a day, I have a spot of liquid about 6x9 inch on the ground right under the rear pulley.  I can't see the source, but noted a small drip off the piping under the rear of the engine.  Consistentcy is water like, no distinctive smell, brown/pink in color, coolant?

With the consistency and color - maybe the AquaHot engine loop leaking?  On most '03s and later, the AquaHot coolant is a dark-ish pink and fairly like water in consistency.  When we have had an engine coolant leak it was noticeably red and thicker than water.
Learn every day, but especially from the experiences of others. It's cheaper!  - John C. Bogle

2000 U320 36' non-slide / WildEBeest Rescue
2003 U320

Re: What's my Leak?

Reply #3 –
Oh, when you check your AquaHot level, note the level both when the AH is fully heated and fully cold.  If it doesn't change, check/replace the overflow tubing and rad cap.  We had to replace both those last year when we noticed our overflow level wasn't changing.  As soon as Steve pulled the tubing off the AH, it crumbled in his fingers so it clearly had failed.
Learn every day, but especially from the experiences of others. It's cheaper!  - John C. Bogle

2000 U320 36' non-slide / WildEBeest Rescue
2003 U320

Re: What's my Leak?

Reply #4 –
I would look at the color. It can also be the water pump if it is coming from the bottom of the engine area. 
2025 Wanderbox Outpost 32 on F600 Expedition Motorhome
2015 Born Free Royal Splendor on Ford 550 nonslide version  for sale
Former Coaches  covering. 360,000 miles
1999 34 U270
2000 36 U320
2001 42' double slide U320
2018 Jeep Rubicon

Re: What's my Leak?

Reply #5 –
This am the spot is not a bit bigger.
Less than a pint of liquid, my guess.
Remaining liquid is bright red.  Furthur
check for source shows it trickling down a stew
Pipe on the rear left lower side of the engine. The pipe goes under
The pipe goes under the engine and ends up
In a canister forward on the right forward.
AH level is ok. 
Larry Boyd, Alice and Fritz the Cat
'03 U320 40 "Brutus" / '08 Jeep Cherokee

Re: What's my Leak?

Reply #6 –
Can you take a picture. 
2025 Wanderbox Outpost 32 on F600 Expedition Motorhome
2015 Born Free Royal Splendor on Ford 550 nonslide version  for sale
Former Coaches  covering. 360,000 miles
1999 34 U270
2000 36 U320
2001 42' double slide U320
2018 Jeep Rubicon
 

Re: What's my Leak?

Reply #7 –
I finally had time to get back on. 

It's coolant. After the initial leak, not much happened.  I had Cummins track it down.  There is a small crack in the radiator near the top.  The repair will be substantial.
Larry Boyd, Alice and Fritz the Cat
'03 U320 40 "Brutus" / '08 Jeep Cherokee