1971 MACK RD Recalls (5)
- Campaign:
- 73V102000 on 10/11/1979
- Component:
- Service brakes, air
- Manufactured:
- 12/31/1970 - 02/28/1973
- Affected:
- 2,481
- Notes:
- Equipped with anchorlok spring brake chambers.manf'd jan.1971 thru march1973.trucks.possibility that the clamp ringbolts on the anchorlok springbrake chamber were incorrectly positioned at time of installation.in thisposition the end of the bolt may contact rear axle housing during brakeactuation.due to bracket deflection, the clamp ring or bolt may failpermitting the spring brake section to separate from the service chamber.(correct by inspecting and repositioning clamp and bolts).
- 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:
- 72V127000 on 10/11/1979
- Component:
- Fuel system, gasoline:fuel injection system
- Manufactured:
- 07/31/1970 - 08/31/1971
- Affected:
- 1,410
- Notes:
- Mack service bulletin no g1003.equipped with american-bosch ape-8vbb fuelinjection pump.manfd 9-70 thru 10-16 1971.trucks.possibility that linkconnecting governor fulcrum lever to fuel injection pump control racks canbreak and cause loss of fuel delivery controlto engine.should this conditionoccur, it could impair vehicle control.(correct by inspecting and installingspring clip on fulcrum lever to prevent engine overspeed.)
- Campaign:
- 73V153000 on 10/11/1979
- Component:
- Communications:horn assembly
- Manufactured:
- 01/31/1971 - 05/31/1973
- Affected:
- 1,285
- Notes:
- Mack trucks campaign no n/a.manuf'd feb.1971 thru june 1973.trucks.possibility that the electric horn mounting bracket could crack and fail.ifthis condition exists the horn could interfere with steering shaft universaljoint and cause steering lockup in a left hand turn situation.(correct byinspecting and replacing horn assembly with improved type bracket).
- Campaign:
- 72V041000 on 10/11/1979
- Component:
- Steering:linkages
- Manufactured:
- 07/31/1970 - 11/30/1971
- Affected:
- 538
- Notes:
- Mack campaign no r1005.equipped w/sgp48.trucks.possibility that if pitmanarm is not relocated and steering linkage readjusted, possible toggle conditionwill result in extreme right turn.(correct by inspecting and making necessaryadjustments.).
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