Discussion:
DEF contamination

I have a Hyster H155FT with a Kubota 3.8L engine with a DEF system. The DEF system may have been contaminated. Test trips say no, but waiting on lab report. Does anyone know of a way to clean out the DEF system? everything I have heard is to replace everything and that is big bucks.
  • Posted 24 Aug 2018 05:42
  • By Forklift1
  • joined 24 Aug'18 - 1 message
  • New Jersey, United States
Showing items 1 - 1 of 1 results.
I would say if you have no fault codes coming up you could simply flush the tank with water then refill. There are also filters that you may want to change.
  • Posted 29 Aug 2018 02:40
  • Modified 29 Aug 2018 03:44 by poster
  • By BREWSKI
  • joined 10 Jan'12 - 1,699 messages
  • Nebraska, United States

Post your Reply

Forkliftaction accepts no responsibility for forum content and requires forum participants to adhere to our rules of conduct. Click here for more information.

If you are having trouble using the Discussion Forums, please contact us for help.

Crown SX3030TT4250
Braeside, Melbourne, Victoria, Australia
Hire
SMV (Konecranes) SL37-1200A
Morgantown, Pennsylvania, United States
Used - Sale & Hire
Latest job alerts …
New York Staten Island, United States
Oxford Ct, United States
Editorial calendar - planned features
CONSTRUCTION FORKLIFTS
HANDLING GOODS IN THE COLD
LOADING/UNLOADING FREIGHT
BROWNFIELD AUTOMATION
FORKLIFT ATTACHMENTS
BATTERY AFFORDABILITY AND LIFETIME
FORKLIFT SAFETY
Latest job alerts …
New York Staten Island, United States
Oxford Ct, United States
Upcoming industry events …
November 27, 2025 - Jakarta, Indonesia
December 9-11, 2025 - Aktau, Kazakhstan
June 22-25, 2026 - Chicago, Illinois, United States
Movers & Shakers
Esie Cortez Esie Cortez
Vice president - IT & EP OEM parts, Big Joe Forklifts
Vice president of finance, Exotec
President - business area industrial equipment, Konecranes
Board chair, Equipment Leasing & Finance Association