1969 MACK R Recalls (5)
- Campaign:
- 74V002000 on 10/11/1979
- Component:
- Engine and engine cooling:engine
- Affected:
- 844
- Notes:
- Mack campaign no sco#46.models equipped with turbo unloader.mar 1969 thrunov 1973.trucks.possibility that the oil supply line to the turbo unloaderis routed too close to the turbo charger.if this condition exists, heat couldcause hose deterioration and oil leakage which could create a fire hazard.(correct by inspecting and relocating oil lines to provide adequate clearancebetween oil supply line and turbo changer).
- Campaign:
- 69V109000 on 10/11/1979
- Component:
- Visibility:defroster/defogger system:windshield:controls/wiring
- Affected:
- 87
- Notes:
- Possibility that heater relay was omitted from heater wiring circuit.absenceof heater relay could cause overload of circuit breaker and result in engineshutdown.(correct by inspecting and in- stalling relay when necessary.)
- Campaign:
- 69V088000 on 10/11/1979
- Component:
- Exterior lighting:brake lights
- Affected:
- 4,212
- Notes:
- Possibility that stop lamp switch is wired with a stop lamp oil pres- sureswitch.(correct by modifi- cation of stop lamp switch cir- cuits.)
- Campaign:
- 71V179000 on 10/11/1979
- Component:
- Fuel system, gasoline:carburetor system
- Manufactured:
- 11/30/1968 - 04/30/1971
- Affected:
- 15,002
- Notes:
- Built btwn dec.1968 and may 1971.truck tractors.possibil ity that airintake hood, which consists of metal cap attachedto perforated plastic innersection, may not securely clamp t o plastic section.if condition exists, capcan turn and cutplastic.if plastic is deeply cut, metal cap can separatecom pletely.such failure, particularly at high speeds, could cre atepotential risk to safety of other highway users.(correctby inspecting andreplacing with improved air intake hood whe re necessary.)
- Campaign:
- 75V118000 on 10/11/1979
- Component:
- Suspension:multiple axle
- Affected:
- 414
- Notes:
- Mack trucks campaign no sc060.trucks mfg'd 1967 thru jan.31, 1973.possibility that the suspension trunnion brackets may develop cracks.if suchcondition exists and cracks are not detected, continued operation couldultimately lead to trunnion tube separation from the trunnion and permit axleassembly dislocation.failure of the trunnion bracket could result in loss ofvehicle control without warning to the driver.(correct by inspecting andreplacing brackets where necessary).
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