Failure of plastic vacuum lines on Ford Bronco

Vacuum hose failure is common due to engine heat and time.  Vacuum hoses are made of plastic.

RepairPal Verified
Average mileage: 161,750 (154,000–169,500)
Exhaust & Emissions affected: 5.0L V8
1 model year affected: 1995
3 people reported this problem
2 people shared problem details
1995 Ford Bronco169,500
All vacuum lines are failing. all plastic lines are britle. starting to replace one by one. haveing trouble finding a good diagram to work off of.
1995 Ford Bronco154,000
while changig spark plugs, i had to move plastic vacuum line, and the plastic vacuum line where no longer flexable, they where very rigid and brittle, as a result they broke very easily.
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