Mack Ch 1999

Model Ch made in 1999 by Mack got 1 investigation there are 7 recalls as well as 2 service bulletins. Technical service bulletines regarding engine and engine cooling. The car had one investigation (suspension). There were some recalls concerningfuel system, other, service brakes, air and steering.

Model 1999

Recalls


CampaignManufacturerManufacturing dateType# of units affectedDate Owner notified MfgRecall Initiated byManufacturers of recalled vehicles/productsReport Recieved DateRecord Creation DateRegulation Part NumberFMVSS Number
FUEL SYSTEM, OTHER - STORAGE - TANK ASSEMBLY - PRESSURE RELIEF DEVICES
04V159000MACK TRUCKS, INCfrom 04/26/1995 to 02/09/2004V (Vehicle)31704/06/2004MFRMACK TRUCKS, INC04/07/200404/10/2004
Defect SummaryOn certain chassis built with lng engines, the nexgen lng tank's primary and secondary relief valves could fail to open and relieve tank pressure.
Consequence SummaryThis could cause ice buildup on the discharge side of the primary and secondary pressure system allowing the relief system to freeze and become blocked resulting in over pressurization of the lng tanks creating the risk of catastrophic tank rupture which could cause serious injury or death.
Corrective SummaryDealers will retrofit the lng tanks with a new primary relief valve pipe away tube and a new ventilated shroud. the recall began april 6, 2004. owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact mack at 1-610-709-3337.
NotesMackrecall no sc0287.customers can contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).
SERVICE BRAKES, AIR - ANTILOCK
00V232009MACK TRUCKS, INCORPORATEDfrom 07/01/1998 to 08/15/2000V (Vehicle)65101/19/2001MFRMACK TRUCKS, INC09/13/200009/26/2000
Defect SummaryVehicle description: heavy duty trucks built with bendix air abs with an ec-17 1030r electronic control unit (ecu), there have been reports of unwanted abs activation at low speeds caused by 1) chafed abs wheel speed sensor wires on rotating parts or 2) a damaged component at the wheel end that generates a certain type of erratic sensor signal.
Consequence SummaryThis condition could cause the abs ecu to exhaust the air at the air brake modulators for one or more of the wheels. this could result in extended braking distances and a possible crash.
Corrective SummaryDealers will replace the abs ecu.
NotesOwner notification began january 19, 2001. owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact mack at 1-610-709-3011.also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).
STEERING - LINKAGES - LINK - DRAG - CONNECTION
01V044207MACK TRUCKS, INCORPORATEDfrom 07/16/1999 to 09/03/1999V (Vehicle)424708/30/2001MFRMACK TRUCKS, INC03/14/200105/02/2001
Defect SummaryVehicle description: heavy duty trucks equipped with drag link assemblies containing 24-dl model ball sockets and manufactured by trw. certain of the tie rod ball-socket bearings have a below-specification case depth and/or hardness, which can lead to premature wear of the socket.
Consequence SummaryIf this condition occurs, the driver can lose partial control of the right front wheel, possibly resulting in a crash.
Corrective SummaryDealers will replace the defective drag links. owner/distributor notification began august 30, 2001. owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact mack at 1-610-709-3011 or trw customer service at 1-866-280-3287.
NotesAlso contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).
STEERING - LINKAGES - TIE ROD ASSEMBLY
02V037006MACK TRUCKS, INCORPORATEDfrom 06/14/1999 to 10/31/2000V (Vehicle)205012/27/2002MFRMACK TRUCKS, INC08/15/200209/06/2002
Defect SummaryOn some heavy duty class 8 vehicles equipped with arvinmeritor axle assemblies which may have been manufactured with trw model 20edl ball sockets, the tie rod ball-socket bearings have a below specification case depth and/or hardness which can lead to premature wear out of the socket in some applications.
Consequence SummaryIf this condition occurs, the driver can lose steering control, possibly resulting in a vehicle crash.
Corrective SummaryDealers will replace the ball socket assemblies. this campaign will supersede nhtsa recall nos. 01v-140-005 (mack sc0270) and 00v-246-103 (mack sc0262). owner notification began december 27, 2002. owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact mack at 610-709-3337.
NotesMack truck recall no. sco276.also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).
00V246103MACK TRUCKS, INCORPORATEDfrom 07/01/1999 to 10/31/1999V (Vehicle)624412/13/2000MFRMACK TRUCKS, INC10/04/200011/08/2000
Defect SummaryVehicle description: heavy duty trucks equipped with trw tie rod ends on certain meritor axles. the tie rod and drag link ball stud ends contain bearings that are below the specified case depth and/or hardness.
Consequence SummaryThis can lead to premature wear with possible separation of the ball stud from the socket, increasing the risk of loss of control of the vehicle.
Corrective SummaryDealers will remove and replace all affected tie rods and drag links with different designed ends.
NotesOwner notification began december 13, 2000.owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact mack at 1-610-709-3011. also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).
SUSPENSION - FRONT - HUB
03V201000MACK TRUCKS, INCORPORATEDfrom 04/16/1999 to 07/15/1999V (Vehicle)99810/14/2003ODIMACK TRUCKS, INC06/03/200306/05/2003
Defect SummaryOn certain heavytrucks equipped with truck hub units manufactured by skf exclusively for use on arvinmeritor's ff98x series non-drive steer axles, the hub unit bearings can wear prematurely.
Consequence SummarySeizure of the bearings can cause wheel separation or wheel end fire.
Corrective SummaryDealers will replace all front axle hubs. owner notification began on oactober 14, 2003. customers will be informed of parts availability by october 3, 2003. owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact mack at 610-709-3337.
NotesMack recall no. sc280.customers can contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).
VEHICLE SPEED CONTROL - ACCELERATOR PEDAL
00V230003MACK TRUCKS, INCORPORATEDfrom 02/01/1999 to 08/31/2000V (Vehicle)4586612/12/2000MFRMACK TRUCKS, INC10/04/200011/01/2000
Defect SummaryVehicle description: class 8 trucks equipped with felsted electronic accelerator pedals. the return springs can break on the accelerator pedals that are equipped with stainless steel or electroplated wire return springs.
Consequence SummaryThis condition could cause the pedal to go to full throttle if both return springs break, increasing the risk of a crash.
Corrective SummaryReplacement accelerator pedals equipped with return springs manufactured of music wire with one additional coil on each spring and with an organic coating, eliminating electroplating will be installed.
NotesOwner notification began december 13, 2000.owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact mack at 1-610-709-3011. also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).

Bulletins


BulletinBulletin dateReplacement BulletinItem no.SummaryAdded
ENGINE AND ENGINE COOLING - COOLING SYSTEM - RADIATOR ASSEMBLY
SL27300109/15/20006092466Subject regarding an ambient air temperature sensor phased into production to correct an engine misfire condition that may be experienced with certain e-tech engines. *tt12/07/2000
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - EMISSION CONTROL - CRANKCASE (PCV)
SB54100202/19/1999604092Subject on installation of new-style height control valve for al suspension originally built with height control valve and separate pilot dump valve. *tt04/12/1999

Investigations


NHTSA IDManufacturerDate openDate closeSubjectRecall campaign
SUSPENSION - FRONT - HUB
PE02094MACK TRUCKS, INC12/11/200205/30/2003INTEGRAL HUB AND BEARING ASSEMBLY03V201000
 The companies involved in this matter are: skf (hub mfr), arvinmeritor (front axle mfr), and mack (manufacturer of class viiitractor/trucks).skf identified manufacturing defects for specific build dates on front axle hub and bearings (wheel bearings) supplied to arvinmeritor.as a result, arvinmeritor notified mack of axles supplied with possible defective front hub assemblies.as a result of that notification, 998 trucks are being recalled by mack for defective front axle wheel bearings which may fail in such a way that a wheel separation or wheel bearing fire occurs.see attached summary report for additional details.