1972 MACK FL Recalls (4)
- Campaign:
- 77V173000 on 10/11/1979
- Component:
- Engine and engine cooling:cooling system:fan
- Affected:
- 48,000
- Defect:
- The flex blade fans on the involved vehicles may develop cracks in the laminated stiffener as a result of fatigue during operation. if such a condition exists and the cracks go undetected, continued operation could cause pieces of the stiffener to break off.
- Correction:
- Dealer will replace the original fan with a steel fixed blade fan, free of charge.
- Notes:
- Vehicle description: trucks equipped with six-cylinder engines.system: engine cooling; fan.consequences of defect: broken pieces can be propelled outside of the fanshroud and will present an immediate danger and possible injury to personsstanding nearby.note: prior to correction, vehicle should not be serviced with the hood raisedand the engine running.
- Campaign:
- 72V310000 on 10/11/1979
- Component:
- Suspension:front:shock absorber
- Manufactured:
- 06/30/1969 - 07/31/1972
- Affected:
- 132
- Notes:
- Mack truck campaign no sco 38.manfd 7/22/1972 thru 8/21/72.trucks.possibility that front shock absorber mounting bracket may fail.if conditionexists, it could allow shock absorber to interfere with steering linkage.(correct by inspecting and installing improved lower shock absorber mountingbrackets where necessary).models equipped with 1200 and 1400 sq in radiators.
- Campaign:
- 74V032000 on 10/11/1979
- Component:
- Power train:axle assembly:banjo housing
- Affected:
- 9,019
- Notes:
- Mack trucks campaign no n/a.with sn56 and sw57 bogie housings.built mar1971 thru jun 1972.trucks.possibility that the bogie housing wall thicknessat the left inner wheel bearing race may not meet specific dimensionalrequirements.if this condition exists, it could lead to spindle failure,resulting in loss of a rear wheel assembly.(correct by inspecting andreplacing brgie housing where necessary).
- Campaign:
- 72V259000 on 10/11/1979
- Component:
- Suspension:rear
- Manufactured:
- 03/31/1966 - 08/31/1972
- Affected:
- 1,755
- Notes:
- Mack truck campaign no sco37.trucks equipped w/radl 5281 or r170 rear axle.possibility that rear spring clamp plate may develop cracks which could lead toclamp failure.if clamp fails it would permit the axle to shift on spring andcould interfere with vehicle control.(correct by inspecting and replacingspring clamp plates with improved types.)
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