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2018 Ram 1500 Laramie coolant leak

skulls2025

skulls2025

New Member
Jun 28, 2025
1
0
Truck Year
2018
I have a 2018 ram 1500 Laramie V6 diesel. The coolant reservoir empties out but I do not see any coolant leaking anywhere when I refill it. The hose on the bottom has some bubbles. The dealer service dept could find no leak, but recently the the overheating lamp came on still no apparent leaks detected, but there must be a leak somewhere. The turbo was recently replaced by the dealer. Anybody got any suggestions?
 
B

BTdriver

Active Member
Aug 30, 2018
111
47
Truck Year
2015
Likely suspects: Turbo coolant tube under intake or EGR cooler.
The turbo coolant tube is two metal tube connected by a clamped rubber hose and is prone to failure. If you end up replacing it, there is an upgraded one-piece line with steel braid over the rubber section available.
 
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