How often should these hoses be replaced? I was thinking about replacing them.. Do I replace them all?
How many are there? I seem to have found 4...
LOWER HOSE:
ACDELCO Part # 26354X {#88909051} 1 9/32" x 1 17/32" x 16 5/16"
HOSE,MOLDED 2 DOORS; LWR
HOSE,MOLDED 4 DOORS; LWR
UPPER HOSE:
ACDELCO Part # 26346X {#88909043} 1 1/4" x 21 3/16"
HOSE,MOLDED 2 DOORS; UPR
HOSE,MOLDED 4 DOORS; UPR
Then what are these hoses?
ACDELCO Part # 18287L {#88920912} 19/32" x 24 29/32"
HOSE,MOLDED 4 DOORS; HTR TO ENG, UPR
HOSE,MOLDED 2 DOORS; HTR TO ENG, UPR
ACDELCO Part # 18251L {#88920876} 5/8" x 23/32" x 22 19/32"
HOSE,MOLDED 4 DOORS; HTR TO ENG, LWR
HOSE,MOLDED 2 DOORS; HTR TO ENG, LWR
