Join Date: Nov 2013
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leaking coolant after oil cooler and egr cooler replaced...
I live in Atlanta. I picked up my 06 PSD from the mechanic in Atlanta after having them replace the oil cooler and install a bulletproof diesel egr cooler. I was having no problems whatsoever with the cooling system on the truck prior to this work, other than my temperatures spreads were hovering at 15 degrees on the highway. I was simply being proactive. Took the truck on Tuesday evening and drove to Knoxville Tn yesterday for the holiday. Temperature spreads stayed between 7-8 degrees at 70+ the entire way.
One thing I noticed after getting home was that an entire gallon of the cat elc coolant I provided to the mechanic was remaining in the back of the truck. This concerned me since I assumed they would use 3.5 gallons of the 4 gallons I provided. I stupidly thought," I guess they had an opened bottle in the shop they used at no charge.". Right? Once we reached Knoxville and slowed our speed I noticed that the coolant temps increased to 198 after not surpassing 191 the entire 3.5 hour drive. I credited this to the cool temps at highway speed vs lower speed after exiting the highway. Less air over the radiator = higher temps. This morning I decided to check the coolant level and found it low. Okay, there must've been an air bubble which had worked its way out, which would account for the extra coolant not being used, so I added a half gallon of the red elc coolant. Drove for a bit and noticed a coolant smell. I pulled in to a parking lot, and sat at idle. After a minute or two I notice steam under hood. Exit the truck and sho'nuff I've got coolant raining down on the ground.
Is there a hose or component in particular that might not have been tightened properly that I should be looking for, as I can't see anything obvious. Coolant everywhere, but I didn't think the water pump was being removed? Serpentine belt was also replaced in the shop, if that is relevant.
I would also add that if coolant were coming out of the truck at the rate it was coming out in the parking lot that the truck would have been empty pretty quick. Is it possible that coolant is leaking at a faster rate when the truck is idling?
Suggestions for a diesel shop if I can't figure this out near zip code 37922? There is a ford stealership not far away. Thanks much, and have a wonderful Thanksgiving!