![I have a 1999 Ranger electronic selective 4WD that has some missing parts/ vacuum lines and need a vacuum line diagram I have a 1999 Ranger electronic selective 4WD that has some missing parts/ vacuum lines and need a vacuum line diagram](https://www.justanswer.com/uploads/lostrider/2008-07-15_122956_1.gif)
I have a 1999 Ranger electronic selective 4WD that has some missing parts/ vacuum lines and need a vacuum line diagram
![What is the function of this hose on the 3.0? It looks mad crusty and I'd like to replace it… or is that necessary? If I should replace it, what's the part What is the function of this hose on the 3.0? It looks mad crusty and I'd like to replace it… or is that necessary? If I should replace it, what's the part](https://preview.redd.it/2ulszsurb7i81.jpg?width=640&crop=smart&auto=webp&s=be8202fcd3b50c59bebba0b1a4e38c413dbfa44b)
What is the function of this hose on the 3.0? It looks mad crusty and I'd like to replace it… or is that necessary? If I should replace it, what's the part
![China Genuine Auto Parts BK3Q 2A451 GB Vacuum Pump For Ford Ranger Everest 2.2 manufacturers and suppliers | Lichang China Genuine Auto Parts BK3Q 2A451 GB Vacuum Pump For Ford Ranger Everest 2.2 manufacturers and suppliers | Lichang](https://cdn.globalso.com/lichangautoparts/BK3Q-2A451-GB-5.jpg)
China Genuine Auto Parts BK3Q 2A451 GB Vacuum Pump For Ford Ranger Everest 2.2 manufacturers and suppliers | Lichang
![Vacuum Hose - Compatible with 1995 - 2003 Ford Ranger 1996 1997 1998 1999 2000 2001 2002 - Walmart.com Vacuum Hose - Compatible with 1995 - 2003 Ford Ranger 1996 1997 1998 1999 2000 2001 2002 - Walmart.com](https://i5.walmartimages.com/asr/2cfa18f0-d2e1-4057-8b39-2fa8ad1a44a5.11533d9ebf5d84f657dbae2cacb7edfc.png?odnHeight=768&odnWidth=768&odnBg=FFFFFF)