Having problems with your 1999 Ford Explorer ?
Hissing sound under hood when engine is hot. Not radiator
\015 When engine is hot and i turn it off, I can hear a hissing sound under the hood. Popping hood shows sound is not radiator. It is coming from somewhere on engine block or hoses roughly behind the radiator. A little steam is noticed.\015
Repair Help & Product Troubleshooting for 1999 Ford Explorer
Tips for a great answer:- Provide details, support with references or personal experience .
- If you need clarification, ask it in the comment box .
- It's 100% free, no registration required.