Monday, October 30, 2023

Coolant connection failure

2015 ML350 4-Matic 6 cyl. I just had a coolant line break off the firewall in front of the driver (Left side). The bead end of the plastic barb remained in the hose. I tried to pull it out with a small diameter metal rod with a 90 on the end, it was not moving. I squeezed the hose (very little force) and the plastic end that remained inside the hose just crumbled. I was able to push the hose back on about 1/2" and clamp it with a standard worm gear hose clamp just to get the vehicle... Coolant connection failure
2015 ML350 4-Matic 6 cyl.

I just had a coolant line break off the firewall in front of the driver (Left side). The bead end of the plastic barb remained in the hose. I tried to pull it out with a small diameter metal rod with a 90 on the end, it was not moving. I squeezed the hose (very little force) and the plastic end that remained inside the hose just crumbled.

I was able to push the hose back on about 1/2" and clamp it with a standard worm gear hose clamp just to get the vehicle...

Coolant connection failure

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