Nice video. My Detroit is in 97 Freightliner century class. I’m losing coolant. No leaks but I notice my blow by hose is smoking like crazy!!! Oil stick has sweat beads on top of stick. Oil still black. Resovoir is dark colored. Adding coolant or water every day. Temp running over 200 even when I turn fan on and leave it on takes a while before temp goes down. Please help/owner operator!!!! Thx.
Quick question. I’m not experiencing any overheating on my dd15 but what I noticed when my engine is hot and I reach the bottom house the one that right under the coolant radiator so the house is cold . I would assume that it’s a thermostat but it was completely replaced 15 thousand miles from now . What that could be ? Is there any chances that those two little thermostats are not opening ?
The engine can over heat if the thermostat does not open and is in the closed position Same is true if the thermostat stay open and won’t open and close because the coolant that is normally in the radiator will not cool off and is constantly circulating. This is definitely a problem in the summer.
Mateo Perez this is probably one of the most difficult things to fix in the Cascadia. Could be the MCM (engine computer) could be as simple as a software update or a pin or plug on one of the connections. Does the fan always stay on from when you first start the truck? Or does it engage once it’s hot and then stay on all the time?
What's the normal operating temperature for that engine supposed to be? 2015 cascadia dd15 mine is right below 200 at maybe 180 190. Is that normal or is it supposed to be lower.
The thermostat will open at approximately 220-223 which is just above the RED on your gauge. When it opens, the temp will drop because the thermostat opens and the coolant inside the radiator will go to the motor and cool it off. Completely normal but it does make people nervous. You can try replacing your 2 coolant temp sensors and thermostat if you feel it is not working correctly. Also, use 50/50 antifreeze.
WALLY DESOUZA after the fan clutch kicks in and the temperature drops. The AC will stop working, when does the AC come back? What year is the truck? How many miles are on it? Have you replaced the AC compressor?
Start with the thermostat, the DD15 temp will go up to 220 before the thermostat opens and the temperature drops once the coolant circulates. When you reach 220 and the fan clutch engages, how much will the temperature drop? Do you have a manual switch for the fan
@@josemateo2622 completely normal, temp will increase to 220-223, then fan will engage and the thermostat will open dropping the temperature to 200. Especially under load, I know this I nerve racking but it is normal. You can have the dealer install a manual switch but it may require programming to the CPC. Pretty easy to do if you have or know someone who has the software to make those changes. The DDDL software needs to be the professional version not the standard.
usdpaulp I think the factory recommends every 100K miles. I don’t think you need to flush the cooling system unless there is contamination like fuel, oil or if the customer only used water. Otherwise just drain, replace the coolant filter and add new coolant. I usually use the 50/50 mixture.
2014 cascadia 536k just came out of love's truck was idling for 15/20 mins temp was up to 220s didn't hear fan running like it should but get down the road temps stayed 190s doing 70mph outside temps 60s. Do you think the solenoid is bad?
You can manually try to engage the fan solenoid. Usually fan clutch will engage when the temp reaches 220-225. I know that is high but that is pretty normal for DD15.
@@seven1productions819 220-225 is normal but the thermostat should completely open And the fan should engage. Temp should drop to about 190-200. If you are consistently at or around 215-220 then try changing the thermostat and using 50/50 antifreeze.
@@CarlosDieselElectric I did. And change the solenoid. Check it for current. Spray the front of the radiator with water. I guess I’ll check the clutch fan again. Also changed the temp sensor. Didn’t changed the oil pressure sensor cause it’s regulating fine. It’s a 2016 Cascadia evolution. With 500k an owner op had it before me. And he kept everything up. Also had the def system filters changed. I’m scratching my head.
I have a DD15 and just below the oil pressure gauge I have a red lamp and an alarm that will occasionally come on when my engine temp climbs to around 225. The check engine light comes on when this happens. No one, including freight liner can tell my that red light and alarm are warning about
This way I can get a better idea of what light you are talking about. Just to confirm, the light is on the oil pressure gauge or on the coolant temp gauge?
@@raywebb8215 I hear the buzzer but don’t see the red lamp. I did see a Check Engine Light. Have you been able to have someone plug in and see what the code is for?
Temperature is rising while idling in dd15. Fan clutch kicks on brings temp down around 200. Water pump was replaced due to weep hole. Temp is good while running even with 51,000 in container. Goimg to replace thermostat. Do I need to replace solenoid for clutch fan also?
Sounds like the solenoid is working. But I would start with the thermostat. That would be my next step. Sounds like you are on the right path. Are you using 50/50 antifreeze?
You would have to check Doser injector, Doser block, could have a DOC face plug situation or possible DPF issues and they may need to be serviced. What have you done so far?
Nice video. My Detroit is in 97 Freightliner century class. I’m losing coolant. No leaks but I notice my blow by hose is smoking like crazy!!! Oil stick has sweat beads on top of stick. Oil still black. Resovoir is dark colored. Adding coolant or water every day. Temp running over 200 even when I turn fan on and leave it on takes a while before temp goes down. Please help/owner operator!!!! Thx.
Oil cooler, or if you remove the oil pan you can pressurize the cooling system and see if there are any leaks from around the liners.
Sorry for the late reply
Quick question. I’m not experiencing any overheating on my dd15 but what I noticed when my engine is hot and I reach the bottom house the one that right under the coolant radiator so the house is cold . I would assume that it’s a thermostat but it was completely replaced 15 thousand miles from now . What that could be ? Is there any chances that those two little thermostats are not opening ?
Sorry for the late reply. But the DD engine only has 1 thermostat.
If the hose is cool or cooler on one side, then most likely it is working correctly
What damage can cause to the engine if the thermostat get stock closed and water won’t circulate true ? thanks
The engine can over heat if the thermostat does not open and is in the closed position
Same is true if the thermostat stay open and won’t open and close because the coolant that is normally in the radiator will not cool off and is constantly circulating. This is definitely a problem in the summer.
Question about coolant, my fan is staying on already replace solenoid and high pressure switch what else should I look at?
Mateo Perez this is probably one of the most difficult things to fix in the Cascadia. Could be the MCM (engine computer) could be as simple as a software update or a pin or plug on one of the connections. Does the fan always stay on from when you first start the truck? Or does it engage once it’s hot and then stay on all the time?
My truck same problem I changed the solenoid and fan clutch but still the same fan stays temperature 205' 210 and my truck 2011 Freightliner casdia
omar khelwaty I have the same problem what you did to solve this problem. Temperature stays between 200 to 210
@@amarpooni2003 my stay 200
used obove little bit idk and i dont even think my fan works
What's the normal operating temperature for that engine supposed to be? 2015 cascadia dd15 mine is right below 200 at maybe 180 190. Is that normal or is it supposed to be lower.
180-190 Sounds about right, depending on outside temperatures. It would be warmer in the summer time
I used detroit power cool,pre charged,14gallons..I changed waterpump,thermostat,upper,lower hoses,2 updated coolant lines,and new reservoir..lol,09/21
Hi Pedro,, please advise what could be the reason for water Guage suddenly goes up to red fire mark and drops to normal in next second..on dd6
The thermostat will open at approximately 220-223 which is just above the RED on your gauge. When it opens, the temp will drop because the thermostat opens and the coolant inside the radiator will go to the motor and cool it off.
Completely normal but it does make people nervous.
You can try replacing your 2 coolant temp sensors and thermostat if you feel it is not working correctly. Also, use 50/50 antifreeze.
@@CarlosDieselElectric Thanks brother 🙏
My truck runs at around 210 to 215 temperature, is this normal? Same kind of truck with DD15
NR when the fan clutch engages, how low does the temperature drop? Without using the AC
Carlos Diesel Electric my temperature gets to 220 then fan kicks in. Goes to 200 and I lose ac. What’s going on?
WALLY DESOUZA after the fan clutch kicks in and the temperature drops. The AC will stop working, when does the AC come back? What year is the truck? How many miles are on it? Have you replaced the AC compressor?
NR when the fan clutch kicks in and the temperature drops, how far or low does the temperature go?
Carlos Diesel Electric thx for reply. My cascaria is 2016 400k miles. Turns out my compressor is bad.
I have a 2015 dd15 flat roads 190/200. Up hills 220/225 and fan clutch activite when I have ac on. Do you think is that fan or thermostat???
Start with the thermostat, the DD15 temp will go up to 220 before the thermostat opens and the temperature drops once the coolant circulates.
When you reach 220 and the fan clutch engages, how much will the temperature drop?
Do you have a manual switch for the fan
@@CarlosDieselElectric it drops to 200
And I don't have a manual switch for the fan
@@josemateo2622 completely normal, temp will increase to 220-223, then fan will engage and the thermostat will open dropping the temperature to 200. Especially under load, I know this I nerve racking but it is normal.
You can have the dealer install a manual switch but it may require programming to the CPC. Pretty easy to do if you have or know someone who has the software to make those changes.
The DDDL software needs to be the professional version not the standard.
@@CarlosDieselElectric thanks for the help👍
How often should I switch the coolant in the dd15? Is it necessary to do a flush with a special product each time we replace the coolant?
usdpaulp I think the factory recommends every 100K miles. I don’t think you need to flush the cooling system unless there is contamination like fuel, oil or if the customer only used water. Otherwise just drain, replace the coolant filter and add new coolant. I usually use the 50/50 mixture.
2014 cascadia 536k just came out of love's truck was idling for 15/20 mins temp was up to 220s didn't hear fan running like it should but get down the road temps stayed 190s doing 70mph outside temps 60s. Do you think the solenoid is bad?
You can manually try to engage the fan solenoid. Usually fan clutch will engage when the temp reaches 220-225. I know that is high but that is pretty normal for DD15.
@@CarlosDieselElectric 220 to 225 pretty normal? So riding at 216-217 won’t damage the engine?
@@seven1productions819 220-225 is normal but the thermostat should completely open And the fan should engage.
Temp should drop to about 190-200.
If you are consistently at or around 215-220 then try changing the thermostat and using 50/50 antifreeze.
@@CarlosDieselElectric I did. And change the solenoid. Check it for current. Spray the front of the radiator with water. I guess I’ll check the clutch fan again. Also changed the temp sensor. Didn’t changed the oil pressure sensor cause it’s regulating fine. It’s a 2016 Cascadia evolution. With 500k an owner op had it before me. And he kept everything up. Also had the def system filters changed. I’m scratching my head.
I have a DD15 and just below the oil pressure gauge I have a red lamp and an alarm that will occasionally come on when my engine temp climbs to around 225. The check engine light comes on when this happens. No one, including freight liner can tell my that red light and alarm are warning about
Send me a picture
This way I can get a better idea of what light you are talking about. Just to confirm, the light is on the oil pressure gauge or on the coolant temp gauge?
How ‘ where do I send it… I have two 30 second videos with it happening. One at road speed and one at idle
ua-cam.com/video/YSN_06yxIKo/v-deo.html
@@raywebb8215 I hear the buzzer but don’t see the red lamp. I did see a Check Engine Light. Have you been able to have someone plug in and see what the code is for?
Temperature is rising while idling in dd15. Fan clutch kicks on brings temp down around 200. Water pump was replaced due to weep hole. Temp is good while running even with 51,000 in container. Goimg to replace thermostat. Do I need to replace solenoid for clutch fan also?
Sounds like the solenoid is working. But I would start with the thermostat. That would be my next step. Sounds like you are on the right path. Are you using 50/50 antifreeze?
A my temp isn't high enough to finish the regen. Computer says it's loosing heat... I'm in downey ca ... Down the st from montdbello
You would have to check Doser injector, Doser block, could have a DOC face plug situation or possible DPF issues and they may need to be serviced.
What have you done so far?
Is that normal oil pressure?
Oil pressure at idle when hot or normal temperature is around 15-20 psi. When running or driving, the psi will be around 50 psi.
I got thermostat but What was the first part name? I didnt get that. Anyone know pls drop the name
The seal, or oring?
Fan clutch solenoid
Where is your shop?
Southern California. Montebello
@@CarlosDieselElectric I park in commerce. Can you send me your shop address? I’m having overheating problem
Question about coolant, my fan is staying on already replace solenoid and high pressure switch what else should I look at?
Mateo Perez did u ever fix problem?
Computer
Could be the ECM, AC switch can also cause this. Check your wires coming from the solenoid, they could be grounding. Do you have a Cascadia?