RECONNECT the chassis vacuum line to the steel vacuum line. GO to
E25
.
No
REPLACE the chassis vacuum line. TEST the system for normal operation.
E25
BUBBLE TEST THE RUBBER/STEEL VACUUM LINE INTERFACE
WARNING: Do not use shop pressure when performing this check.
CAUTION: Do not apply more than 2 psi to the vacuum lines when performing this check.
Apply 2 psi continuous pressure to the vacuum wheel end output line.
Apply soapy water to the rubber/steel vacuum line fitting.
Are air bubbles visible at the rubber/steel vacuum line interface?
Yes
REPAIR the rubber/steel vacuum line interface. TEST the system for normal operation.
No
GO to
E26
.
E26
BUBBLE TEST THE WHEEL END KNUCKLE VACUUM LINE FITTING
WARNING: Do not use shop pressure when performing this check.
CAUTION: Do not apply more than 2 psi to the vacuum lines when performing this check.
Apply 2 psi continuous pressure to the vacuum wheel end input line.
Apply soapy water to the wheel end knuckle vacuum line fitting.
Are bubbles visible at the wheel end knuckle vacuum line fitting?
Yes
REPAIR the wheel end knuckle vacuum line fitting; REFER to
Section 204-01B
. TEST the system for normal
operation.
No
GO to
E27
.
E27
BUBBLE TEST THE HUBLOCK END AND HUBLOCK/WHEEL HUB INTERFACE
WARNING: Do not use shop pressure when performing this check.
CAUTION: Do not apply more than 2 psi to the vacuum lines when performing this check.
Apply 2 psi pressure to the vacuum wheel end input line.
Apply soapy water to the hublock and hublock/wheel hub interface.
Are bubbles visible at the hublock/wheel hub interface or at the hublock end?
Page 58 of 62
2000 Ranger Workshop Manual
1/18/2012
http://www.fordtechservice.dealerconnection.com/pubs/content/~WSYL/~MUS~LEN/21/...