Rapid,
After reading about your experience with the Turbo coolant line hose I'm thinking a preventative maintenance action might be to change them on my 03 LB7 - one near the water pump and one at the turbo. It wouldn't be fun to have one fail when towing my 5th wheel on a hot day. And I might as well replace the other hoses too. Back in the day it was common practice to replace hoses periodically to prevent failures. I was curious why modern hoses seem to last much longer and found the following info in the following Consumer Reports Article.
https://www.consumerreports.org/car-...lts-and-hoses/
“Experts recommend, however, that all hoses be replaced at least every four years or when one fails. Always use replacement hoses designed to fight ECD. Trademarks will vary among hose manufacturers. (Gates uses "ECR" for Electro-Chemical Resistant). Look for a "Type EC" label on the hose or its packaging. That is a Society of Automotive Engineers standard signifying "electrochemical." Most vehicles built after 1993 come with ECD-resistant hoses.”
And here’s another link with more detail on ECD
http://www.highwaystars.net/blog/wha...radation-mean/
Anyone have thoughts on replacing hoses as a preventative maintenance action?
Bill
03 2500HD D/A CC/SB/4WD,OilGuard, MegaFilter,LiftPump/PreFilter, Bilsteins,RetraxRollTop,J&J Boards,Coolant Filter,AlliDeepPan,FastIdle,AllHeadLightsOn,
98 K3500 6.5,SOLD