If your coolant level drops while you’re driving but comes right back when you shut the truck off, you’re NOT losing coolant.You’re being pressurized out of it.This is a critical warning sign we see on heavy-duty diesel engines—especially Detroit DD15s—and if you keep driving it, it can quickly turn into a five-figure engine repair.In this video, I explain:• Why coolant drops only while driving• What pressurization really means• How ignoring it leads to major engine damageIf you’re seeing this s
0:22
If your coolant level drops while you’re driving but comes right back when you shut the truck off, you’re NOT losing coolant.You’re being pressurized out of it.This is a critical warning sign we see on heavy-duty diesel engines—especially Detroit DD15s—and if you keep driving it, it can quickly turn into a five-figure engine repair.In this video, I explain:• Why coolant drops only while driving• What pressurization really means• How ignoring it leads to major engine damageIf you’re seeing this s
82.7K views3 months ago
FacebookTAT Express Inc
⚠️ Coolant Disappearing This Air Compressor Failure Can Look Like a Blown Head Gasket Coolant keeps going low while you’re driving… but comes back when you shut the truck off? That is NOT normal coolant loss. On modern semi-trucks (Detroit, Cummins, Volvo, PACCAR), the air compressor is liquid-cooled. When the compressor head or casting fails, compressed air gets pushed into the cooling system and forces coolant out of the engine. It looks exactly like a head gasket — but it isn’t. This is how b
3:04
⚠️ Coolant Disappearing This Air Compressor Failure Can Look Like a Blown Head Gasket Coolant keeps going low while you’re driving… but comes back when you shut the truck off? That is NOT normal coolant loss. On modern semi-trucks (Detroit, Cummins, Volvo, PACCAR), the air compressor is liquid-cooled. When the compressor head or casting fails, compressed air gets pushed into the cooling system and forces coolant out of the engine. It looks exactly like a head gasket — but it isn’t. This is how b
24.6K views3 months ago
FacebookTAT Express Inc
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