Recent Posts

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1
Cooling System / Re: ECU Coolant level sensor
« Last post by Brett Wolfe on Today at 08:02:28 AM »
That part would be chosen and installed by your chassis maker.  Contact them for the correct PN.
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Cooling System / ECU Coolant level sensor
« Last post by ual147870 on Today at 07:48:46 AM »
On a recent trip, got and "ECU Coolant Low" warning and engine went to derate.  Engine temp remained normal, so I exited to a safe location and verified coolant level normal.  Pulled rear bed to access the coolant level sensor on the surge tank, and after testing, verified it was a bad sensor.  Jumpered the connector and completed my trip.  Now I am having difficulty locating the correct part number replacement.

2006 Cat C7 serial WAX25XXX

ANY HELP WOULD BE APPREICATED
3
Engine Specifications / Source for Diesel Engine Manuals
« Last post by Ken Carpenter on Today at 07:05:19 AM »
Here's a source for diesel engine manuals.  Have not tried it but it looks promising. https://barringtondieselclub.co.za/
4
Gentleman, like to add little more information on this subject. With your engine there
is what is called a ( Cold Mode that is programmed into the engine ECM that will reduce
Power on engine startup to prevent injector and engine damage ) which depending on how
cold outside 15 minutes to start moving and sometimes takes about 30 minutes running
maker light to go off going down the road. This is a very common question asked owner
thinking he has a problem which he does not, just let Engine and Transmission warn up.
Ask Dave, Dave Atherton Retired Cat Mechanic
5
Other Systems / Re: ISB 6.7 "short" belt.
« Last post by David.e.atherton on January 17, 2019, 06:43:15 AM »
ZiggyH and Oscar, think I can come up with belt number for you because I just made
That change 2 weeks ago but will be later today when I return back. Cummins has been
aware of the problem and add on pulley to fan hub for a vee belt setup to AC compressor.
Ask Dave Dave Atherton Retired Cat Mechanic
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Other Systems / Re: ISB 6.7 "short" belt.
« Last post by ziggyh on January 16, 2019, 07:20:06 PM »
Oscar.
Serpentine Belts are usually measured by their circumstances, so use a string or a cloth measuring tape around your pulleys the way the belt is to be routed. Then measure the length of the string, get one that is the next size smaller so the tensioner can tension the belt 

I am assuming you have a serpentine belt with an automatic tensioner. The tensioner usually will have two marks on it to indicate it's range of operation. Target in the middle of those marks if they are present

If your old belt has a pk number on it you can also use that. If for example the number is 8pk1500 it indicates it has 8 ribs on it and is a metric belt 1500 mm in length.

V belts are measured much the same way but at the top of the pulley groove.
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Other Systems / ISB 6.7 "short" belt.
« Last post by oscar on January 16, 2019, 10:45:11 AM »
Greetings,

New to this forum, not new to forums.

I have a 2017 Berkshire 38A which has the 6.7L ISB engine, mine a 340.

I carry a spare belt, just in case. But, it appears a large number of belt failures (and the resulting stop on the side of the road) are due to the AC compressors seizing. You CAN mount a shorter belt and take the AC compressor out of the loop.

Does anyone here know the size/part # of the shorter belt?

Thanks.
8
David,

Welcome to the Diesel RV Club.

The engine heater is 120 VAC-- it will have a "regular" 15 amp male plug that should be plugged into an outlet on the coach.

But, this ASSUMES you have 120 VAC available.  Could be shore power OR could be that you start and run the generator.

This does not address your "stop engine light", but if a low coolant indicator came on, check level in the coolant overflow reservoir .  This is a common issue with Freightliner chassis.

The on-board charger or inverter-charger usually only charges the house battery bank (when 120 VAC is available-- see above).
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Just purchased a 2008 Winnebago Journey 39Z last week in Colorado. Drove it home here in Iowa and placed it into an RV storage lot. Spending time now reading manuals and purchasing supplies needed.  Coach was winterized before we left Colorado.  Before leaving the coach, I turned off the batteries with the battery switch to not drain the batteries.

So it has been in the Storage yard a few weeks and I decided to go out and check on it and take out items I had purchased.  I was told that even though the batteries were turned off, that they will still drain. 

When I started the engine up just fine but I soon got a orange check engine light and then I got the red stop check engine light and so I turned it off and this occurred within 4-5 minutes.   I checked all of the dash gauges and oil, air pressure and battery was fine. But engine temperature was all the way down to cold. I can understand that though since it was 11 degrees.

I checked the batteries and the Engine batteries showed 12.5, but the house was 6.7.  With all of the snow and cold and not having the correct tools I was unable to disconnect the batteries to stop the draining either...  Appears I will have to replace those house batteries now....

Was doing some research and saw mention of an engine heater that should have been turned on and left on for a few hours in cold weather.  Is this right? I saw the switch on my control panel. What powers that? if batteries are low, will this work? 

The dash indicator also showed engine coolant low. So I believe I need to get some diesel engine coolant and fill.

Wonder what could go wrong next. Any other harm will I cause leaving the batteries connected? I can see now the benefit of inside storage.

Obviously I have a lot to learn about this motor coach and diesel's in particular.

Thank you in advance for any assistance.
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Other Systems / Re: Ground problem
« Last post by Ken Carpenter on January 13, 2019, 06:16:05 AM »
Here’s a photo showing location of serial number and emissions sticker:

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