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Old 11-02-2014, 07:26 AM   #1
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Help! Can't Add Engine Coolant

Hello Everyone!

We just traded in our 01 Damon Intruder and bought a 2004 Damon Ultrasport. It is riding on a Freightliner Chassis (not sure of the model chassis) and has a Caterpillar engine (C7 I think).

The "low coolant" signal came on and I tried to add coolant, alas, I could not get it to go in. The top of the radiator is so tight that an 8 year old could not add it. I bought some of the coolant at Pilot and it was Cat Approved, but it does not do me any good sitting in the original bottle. (I attached a pic).

Where can I add it? Is there a trick? I would really like to know.

Also, while your reading this, can you provide me with any information on quantity of oil & fuel & air filters and their model numbers? And, is there any quirk that the C7 will need me to do to keep it happy?

Thanks
Scott
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Old 11-02-2014, 07:39 AM   #2
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Need to put a hose/tubing on a funnel. When cold, remove cap, stick tube in, pour antifreeze in funnel. NOW, why did you lose coolant? Leak ? find it. or did it go into the overflow tank and not get sucked back in when cool?? Check overflow tank for rust and sediment.
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Old 11-02-2014, 07:41 AM   #3
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Need to put a hose/tubing on a funnel. When cold, remove cap, stick tube in, pour antifreeze in funnel. NOW, why did you lose coolant? Leak ? find it. or did it go into the overflow tank and not get sucked back in when cool?? Check overflow tank for rust and sediment.
Thank You, good idea. Pain in the behind. I'll try that here shortly. I can't find the overflow tank. Any ideas?
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Old 11-02-2014, 07:51 AM   #4
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adding engine coolant

It is the small plastic tank sitting on top of the radiator.
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Old 11-02-2014, 08:01 AM   #5
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It is the small plastic tank sitting on top of the radiator.
The same one the cap is sitting on?
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Old 11-02-2014, 08:42 AM   #6
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soneil422, yep, same tank. Most,if not, C 7's will hold 19 quarts of oil. Look at the dipstick and see if has different markings on it other than those from the factory. If it does then it has been calibrated. When you change the oil put in 19 quarts and crank the engine so the oil will get to flowing. Shut it down and walk away for about an hour, may be a little long, but, all the oil will have had time to drain back into the pan. Pull the dipstick out and check oil level. If it is where the new markings are then you are good to go. Make sure you keep the radiator clean. Make sure you use only coolant made for Cat engines. It already has the additives in it so you don't have to add them.
I service mine once a year whether it needs it or not but that is just me.

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Old 11-02-2014, 08:46 AM   #7
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soneil422, yep, same tank. Most,if not, C 7's will hold 19 quarts of oil. Look at the dipstick and see if has different markings on it other than those from the factory. If it does then it has been calibrated. When you change the oil put in 19 quarts and crank the engine so the oil will get to flowing. Shut it down and walk away for about an hour, may be a little long, but, all the oil will have had time to drain back into the pan. Pull the dipstick out and check oil level. If it is where the new markings are then you are good to go. Make sure you keep the radiator clean. Make sure you use only coolant made for Cat engines. It already has the additives in it so you don't have to add them.
I service mine once a year whether it needs it or not but that is just me.

Jerry
Thanks for the tips. I will change it within about a week. I like the Shell Rotella 5w40 synthetic. Any problems with that?
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Old 11-02-2014, 08:56 AM   #8
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I use Rotella 15w40 in mine. What you're using shouldn't be a problem.

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Old 11-02-2014, 09:22 AM   #9
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I use Rotella 15w40 in mine. What you're using shouldn't be a problem.

Jerry
I have used the Dino 15w40 Rotella. No problems. I just feel better using synthetic and and we do drive in the cold. Thinner 5w40 sounds better.
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Old 11-02-2014, 09:35 AM   #10
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Yep, I understand we live and mainly drive in Texas. We do get cold weather though. But, I have always used 15w40 in all of the diesel vehicles that I have owned through the years.

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Old 11-02-2014, 04:55 PM   #11
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Need to put a hose/tubing on a funnel. When cold, remove cap, stick tube in, pour antifreeze in funnel. NOW, why did you lose coolant? Leak ? find it. or did it go into the overflow tank and not get sucked back in when cool?? Check overflow tank for rust and sediment.
I used your trick! Worked great, but I had help. Would be near impossible by yourself. We just bought the unit 11/01/14. Not sure why it was low, but I am going to keep an eye on it. I have seen nothing leaking out and no milky oil. So maybe someone tried to drain and never filled it correctly? No idea.

Thank You for your tip. How about changing the belt? Got any tips on that?
I also found (2) fuel filters and (1) oil filter. Is that all I need to change?

Thanks
Scott
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Old 11-03-2014, 12:08 PM   #12
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Thanks for the tips. I will change it within about a week. I like the Shell Rotella 5w40 synthetic. Any problems with that?
Good choice. I run Mobil 1 5-40 Turbo Diesel Truck but wouldn't hesitate to run the Shell 5-40.
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Old 11-03-2014, 05:50 PM   #13
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One thing about your expansion tank, it is part of your pressurized system. The plastic tanks tend to determinate and crack causing leaks from sunlight exposure. I have made a cardboard cover to protect it from sunlight when parked.
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Old 11-03-2014, 08:09 PM   #14
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I had a leaking water pump. I found a nearby hardware store where I bought a drill operated pump, some hose and fittings. Then I went to an auto parts store and bought 2 gallons of the appropriate antifreeze in a 50/50 mix. Then went back to the CG and filled the overflow tank using the pump to pump antifreeze from the bottle into the tank. Then headed to the Cummins Atlantic in Kenly NC. I had to stop once and refill the overflow tank. Thankfully, Freightliner gives a warning when the fluid level in the overflow tank gets low. Fortunately I discovered the leak while we were parked in a CG and were not in the middle of nowhere. Also fortunately, the Cummins warranty covered the repair costs. I still carry the 2nd gallon of antifreeze and the pump.
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