Mack Chn 2007
Model Chn made in 2007 by Mack got 4 consumer complains there are 12 recalls as well as 15 service bulletins. Consumer complaints with reference to engine and engine cooling. . Technical service bulletines regarding engine and engine cooling, power train and service brakes, air. There were some recalls concerningfuel system, diesel, parking brake and power train.
Model 2007
Recalls
Campaign | Manufacturer | Manufacturing date | Type | # of units affected | Date Owner notified Mfg | Recall Initiated by | Manufacturers of recalled vehicles/products | Report Recieved Date | Record Creation Date | Regulation Part Number | FMVSS Number | |||||
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FUEL SYSTEM, DIESEL | ||||||||||||||||
06V290000 | MACK TRUCKS, INC | from 02/04/2004 to 04/03/2006 | V (Vehicle) | 342 | 08/20/2006 | MFR | MACK TRUCKS, INC | 08/03/2006 | 08/03/2006 | |||||||
Defect Summary | On certain trucks, the fuel line crossover bracket may prematurely fail and unexpectedly fall to the road. the location and size of the bracket draws a concern to the bracket being picked up and thrown by the drive axle wheels. | |||||||||||||||
Consequence Summary | If the crossover bracket falls a crash may occur without prior notice. | |||||||||||||||
Corrective Summary | Dealers will replace the brackets free of charge. the recall began on august 20, 2006. owners may contact mack trucks at 1-800-528-6586. | |||||||||||||||
Notes | Customers may also contact the national highway traffic safety administration | |||||||||||||||
07V159000 | MACK TRUCKS, INC | from 10/01/2006 to 01/31/2007 | V (Vehicle) | 9102 | 04/19/2007 | MFR | MACK TRUCKS, INC | 04/13/2007 | 04/13/2007 | |||||||
Defect Summary | Certain trucks were recalled for the installation of sleeves on the fuel injection line as required by safety recall sc0317 (nhtsa recall no. 06v392). there is a possibility that the new sleeves may chafe the fuel injection line. | |||||||||||||||
Consequence Summary | This could compromise the fuel injection line over time which could possibly result in an engine fire. | |||||||||||||||
Corrective Summary | Dealers will remove the protective sleeves on all fuel injection lines free of charge. this recall began on april 19, 2007. owners may contact mack trucks at 1-800-528-6586. | |||||||||||||||
Notes | Mack trucks recall no.sc0323.customers can also contact the national highway traffic safety administration?s vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to http://www.safercar.gov. | |||||||||||||||
06V392000 | MACK TRUCKS, INC | from 01/01/2002 to 10/31/2006 | V (Vehicle) | 40204 | MFR | MACK TRUCKS, INC | 10/13/2006 | 10/13/2006 | ||||||||
Defect Summary | On certain trucks, a leak in the aset ac fuel injection line may spray fuel on the exhaust gas recirculation pipes that carry hot exhaust gases . | |||||||||||||||
Consequence Summary | This could potentially result in an engine fire. | |||||||||||||||
Corrective Summary | Mack has issued a stop work on this campaign under further notice (2-22-2007). the remedy does not adequately address the issue on all vehicles. mack will re-release the recall in the near future. (please see nhtsa no. 07v159/mack recall no. sco323 for vehicles that have had this repair already performed.) this recall has been superseded (please see 07v401/sc0324). | |||||||||||||||
Notes | Mack trucks recall no. sc0317.customers can also contact the national highway traffic safety administration?s vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to http://www.safercar.gov. | |||||||||||||||
07V401000 | MACK TRUCKS, INC | from 01/01/2002 to 01/31/2007 | V (Vehicle) | 35649 | 09/11/2007 | MFR | MACK TRUCKS, INC | 09/05/2007 | 09/05/2007 | |||||||
Defect Summary | On certain trucks equipped with aset ac model engines, the engine as configured with an external exhaust gas recirculation system makes servicing the fuel injection lines difficult when using traditional tools. therefore, it is possible for fuel leaks to develop when removing and installing the fuel injection lines. | |||||||||||||||
Consequence Summary | A leak in the fuel injection line may spray fuel on the hot surfaces of the exhaust gas recirculation system, which could result in an engine fire. | |||||||||||||||
Corrective Summary | Dealers will replace the fuel injection lines free of charge. note: this recall supersedes a previous campaign conducted in 2006 (please see 06v392). the recall began on september 11, 2007, with subsequent mailings every six weeks until april 2008. owners may contact mack at 800-528-6586. | |||||||||||||||
Notes | Mack recall no. sc0324.customers may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to http://www.safercar.gov. | |||||||||||||||
PARKING BRAKE | ||||||||||||||||
07V360000 | MACK TRUCKS, INC | from 11/04/2005 to 05/01/2007 | V (Vehicle) | 18805 | 01/10/2008 | MFR | MACK TRUCKS, INC | 08/15/2007 | 08/16/2007 | |||||||
Defect Summary | On certain trucks equipped with bendix sr-7 spring brake modulating valves, the internal rubber check valve may leak causing a delay in the application of the spring brakes to park the vehicle after the operator pulls the dash valve button. | |||||||||||||||
Consequence Summary | This could delay or failure in applying the parking brakes which could result in a vehicle roll away, increasing the risk of a crash. | |||||||||||||||
Corrective Summary | Mack is working with bendix to repair these vehicles (please see 07e037). bendix will install a check valve repair kit for the affected sr-7 spring brake modulating valve free of charge. the recall began on january 10, 2008. owners may contact bendix at 1-440-329-9000 or mack at 1-800-528-6586. | |||||||||||||||
Notes | Mack recall no. sc0335 (sc0328).customers may contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty: 1-800-424-9153); or go to http://www.safercar.gov. | |||||||||||||||
PARKING BRAKE - CONVENTIONAL - AIR | ||||||||||||||||
06V232000 | MACK TRUCKS, INC | from 04/05/2006 to 06/01/2006 | V (Vehicle) | 2587 | 08/14/2006 | MFR | MACK TRUCKS, INC | 06/28/2006 | 06/28/2006 | |||||||
Defect Summary | On certain trucks equipped with sr-7 bendix brake valves, the check valve inside the valve cavity may not properly set, causing internal air leakage. if the check valve does not properly seat, the resulting leakage can cause a delay in the application of the spring brakes to park the vehicle after operator pulls the dash valve button. | |||||||||||||||
Consequence Summary | The delayed parking brake application can occur without warning, leading to unintended vehicle rollaway increasing the risk of a crash. | |||||||||||||||
Corrective Summary | Dealers will inspect the valves and replace it free of charge. the recall began on august 14, 2006. owners may contact mack trucks at 1-800-528-6586. | |||||||||||||||
Notes | Mack trucks recall no. sc0336 (sc0313).customers can also contact the national highway traffic safety administration | |||||||||||||||
POWER TRAIN - AXLE ASSEMBLY | ||||||||||||||||
07V123000 | MACK TRUCKS, INC | from 11/01/2006 to 01/31/2007 | V (Vehicle) | 51 | 04/09/2007 | MFR | MACK TRUCKS, INC | 03/21/2007 | 03/21/2007 | |||||||
Defect Summary | On certain trucks, the axle housings may have been manufactured with steel that was out of specification which could result in a fatigue failure over time. | |||||||||||||||
Consequence Summary | If a fatigue failure occurs and is left unattended, the axle may lock up or the end of the axle could come off, which could result in a vehicle crash. | |||||||||||||||
Corrective Summary | Dealers will inspect and replace the axles free of charge. the recall is expected to begin on or about april 9, 2007. owners may contact mack trucks at 1-800-528-6586. | |||||||||||||||
Notes | Mack trucks recall no. sc0322.customers may contact the national highway traffic safety administration | |||||||||||||||
SERVICE BRAKES, AIR | ||||||||||||||||
06V367000 | MACK TRUCKS, INC | from 05/08/2006 to 06/07/2006 | V (Vehicle) | 1102 | 09/25/2006 | MFR | MACK TRUCKS, INC | 09/26/2006 | 09/26/2006 | |||||||
Defect Summary | On certain trucks, the brake cam tubes on the steer and drive axles may not have been greased. | |||||||||||||||
Consequence Summary | The brake cam journals may corrode which may lead to the brakes dragging which could result in a vehicle fire. | |||||||||||||||
Corrective Summary | Dealers will add grease to the brake cam tubes free of charge. the recall began on september 29, 2006. owners may contact mack at 1-800-866-1177. | |||||||||||||||
Notes | Customers may also contact the national highway traffic safety administration | |||||||||||||||
06V271000 | MACK TRUCKS, INC | from 02/01/2006 to 05/15/2006 | V (Vehicle) | 7447 | 09/27/2006 | MFR | MACK TRUCKS, INC | 07/26/2006 | 07/26/2006 | |||||||
Defect Summary | On certain trucks equipped with a legris air manifold, the brass push-to-connect cartridge may unexpectedly separate from the plastic housing. | |||||||||||||||
Consequence Summary | If the push-to-connect cartridge that supplies the air to the park brake chambers were to separate, then the brakes could unexpectedly apply increasing the risk of a crash. | |||||||||||||||
Corrective Summary | Dealers will replace the air manifold free of charge. the recall began on september 27, 2006. owners may contact mack trucks at 1-800-528-6586. | |||||||||||||||
Notes | Mack recall no. sc0312.customers may also contact the national highway traffic safety administration | |||||||||||||||
SERVICE BRAKES, AIR - SUPPLY - CHECK VALVE | ||||||||||||||||
07V361000 | MACK TRUCKS, INC | from 01/02/2004 to 07/26/2007 | V (Vehicle) | 21847 | 01/09/2008 | MFR | MACK TRUCKS, INC | 08/15/2007 | 08/16/2007 | |||||||
Defect Summary | On certain trucks equipped with parker single check valves (scv) provided by bendix. the defect exists in the parker scv that connects with the supply port of the sr-7 spring brake modulating valve. after prolonged use of the parker scv, the valve body retainer may become excessively worn and eventually break apart. pieces of the parker scv can become lodged inside the sr-7 spring brake modulating valve, potentially causing either leakage out of the sr-7 valve or preventing air from properly exhausting from the sr-7 valve. | |||||||||||||||
Consequence Summary | This condition can cause a delay in the application of the spring brakes to park the vehicle after the operator pulls the dash valve button. these conditions can occur without warning, leading to unintended vehicle rollaway, brake drag, or in the case of loss of primary circuit, inability to modulate the spring brakes. | |||||||||||||||
Corrective Summary | Mack is working with bendix to replace the parker single check valve. the recall began on january 9, 2008. owners may contact bendix at 1-440-329-9000 or mack at 1-800-528-6586. | |||||||||||||||
Notes | Mack recall no. sc0334 (sc0327).customers may contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty: 1-800-424-9153); or go to http://www.safercar.gov. | |||||||||||||||
STEERING | ||||||||||||||||
07V023000 | MACK TRUCKS, INC | from 10/02/2006 to 12/07/2006 | V (Vehicle) | 2085 | 02/12/2007 | MFR | MACK TRUCKS, INC | 02/01/2007 | 02/01/2007 | |||||||
Defect Summary | On certain trucks, the nut that retains the steering wheel may not have been installed. | |||||||||||||||
Consequence Summary | If the retaining nut was not installed, the steering wheel may come off, which could result in a vehicle crash. | |||||||||||||||
Corrective Summary | Dealers will remove the horn button to confirm that the retaining nut was installed. a retaining nut will be added if the nut is missing. the recall began on february 12, 2007. owners may contact mack trucks at 800-866-1177. | |||||||||||||||
Notes | Mack recall no. sc0319.customers may also contact the national highway traffic safety administration | |||||||||||||||
TRAILER HITCHES - FIFTH WHEEL ASSEMBLY | ||||||||||||||||
07V497000 | MACK TRUCKS, INC | from 01/09/2006 to 06/29/2007 | V (Vehicle) | 950 | 01/28/2008 | MFR | MACK TRUCKS, INC | 10/23/2007 | 10/23/2007 | |||||||
Defect Summary | On certain trucks equipped with a saf holland simplex fifth wheel, the lever arm pivot bolt may have been over tightened. an over tightened pivot bolt can distort the pivot bolt spacer sleeve, which may prevent the fifth wheel latch jaw from closing and latching securely around the trailer king pin. | |||||||||||||||
Consequence Summary | There is a possibility that the pivot bolt can become loose without the driver's knowledge. when this occurs, the driver could drive away and the trailer could become disengaged, increasing the risk of a crash. | |||||||||||||||
Corrective Summary | Dealers will replace the pivot bolt and sleeve with a hex head shoulder bolt and washer free of charge. the recall began on january 28, 2008. owners may contact mack trucks at 1-800-528-6586. | |||||||||||||||
Notes | Mack trucks recall no. sc0331.customers may also contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty 1-800-424-9153), or go to http://www.safercar.gov. |
Bulletins
Bulletin | Bulletin date | Replacement Bulletin | Item no. | Summary | Added |
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ENGINE AND ENGINE COOLING - COOLING SYSTEM | |||||
SB-26-1018 | 02/13/2009 | 10028749 | Mack trucks: meritor wabco air compressor, conventional repair for certain air compressor failures, such as failure of compressor to pump, slow air system pressure build up time, intermittent compressor pumping, etc, was to replace compres | 05/22/2009 | |
ENGINE AND ENGINE COOLING - EXHAUST SYSTEM - MANIFOLD/HEADER/MUFFLER/TAIL PIPE | |||||
FSB-214-024 | 01/01/2011 | 10040051 | Ready | 08/15/2011 | |
FSB-214-024 | 01/01/2011 | 10040051 | Mack trucks: there is revised mounting hardware for the exhaust manifold and turbocharger. *rm | 08/15/2011 | |
POWER TRAIN - AUTOMATIC TRANSMISSION - TORQUE CONVERTER | |||||
FSB-437-001 | 09/01/2011 | 10043094 | Mack truck: the easy installation of allison transmission and preventing binding of torque converter pilot during thermal expansion cycle of normal operation by using high temperature molybdenum disulfide grease. *pe | 02/21/2012 | |
POWER TRAIN - AXLE ASSEMBLY | |||||
TSB-517009 | 11/21/2008 | 10030224 | Mack truck: broken longitudinal torque rod mounting stud in axle spring seat due to wing bracket interference. this includes the td model. no model years listed. *pe | 08/27/2009 | |
SERVICE BRAKES, AIR - SUPPLY - CHECK VALVE | |||||
SC-334 | 01/11/2008 | 10032312 | Mack truck: it has been determined that the 90 degree single check valve fitting manufactured by parker hannifin corp. which is used in the supply port of the spring brake modulating relay valve (bendix sr 7 valve) may have a defect whereb | 03/03/2010 | |
STRUCTURE - FRAME AND MEMBERS | |||||
SB-121042 | 03/20/2008 | 10025888 | Mack truck: cracks in upper frame flange at steering gear cut-out - all chn models. (not applicable to mack trucks australia). *pe | 09/12/2008 | |
STRUCTURE - FRAME AND MEMBERS - UNDERBODY SHIELDS | |||||
122003 | 08/02/2006 | 122003 | 10020306 | Frame tie bar mounting brackets - chn model chassis. mack. *tt | 09/12/2006 |
SUSPENSION | |||||
SB-12-1043 | 10/10/2008 | 10027264 | Mack truck: suspension crossmembers, primaax rear suspension. models equipped with the hendrickson primaax rear air suspension may develop a crack in the radius of the lower end gusset. *pe | 01/12/2009 | |
121031 | 06/09/2006 | 121031 | 10020362 | Suspension crossmembers - cxn and chn models equipped with mack al suspension. *tt | 09/20/2006 |
SUSPENSION - REAR | |||||
SB-12-1043 | 10/10/2008 | 10027264 | Mack truck: suspension crossmembers, primaax rear suspension. models equipped with the hendrickson primaax rear air suspension may develop a crack in the radius of the lower end gusset. *pe | 01/12/2009 | |
SUSPENSION - REAR - AXLE - NON-POWERED AXLE ASSEMBLY | |||||
FSB-461-001 | 02/01/2011 | 10040696 | Mack trucks: rear axle housing replacement. *rm | 09/07/2011 | |
FSB-461-001 | 02/01/2011 | 10040696 | Ready | 09/07/2011 | |
UNKNOWN OR OTHER | |||||
FSB-491-029 | 02/01/2011 | 10040704 | Ready | 09/09/2011 | |
FSB-491-029 | 02/01/2011 | 10040704 | Mack trucks: there are cracks in a steel oil tube that can lead to leaking. *rm | 09/09/2011 |
Consumer Complaints
Fail date | miles | occurences | Purchase date |
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ENGINE AND ENGINE COOLING - ENGINE | |||
12/20/2010 | 107000 | ||
2007 mack truck chn 613, 427 aset ac engine failure due to oil pump drive gear spinning loose on auxiliary shaft. when the vehicle began traveling down hill, the oil pump drive gear failed causing an immediate loss of oil pressure. the engine became a critical instrument in controlling the vehicle's down hill speed particularly the engine brake feature aka the jake brake. the engine brake uses engine oil flow to operate. since there was no more oil flow, the engine brake was rendered unusable. at this point, the choice was to continue down hill and rely solely on the vehicle brakes to control the vehicle speed, or continue to use the engine without the added braking power of the engine brake knowing that the engine would be destroyed. the driver chose to destroy the engine and not risk his life or the lives of others. the dealer refused to repair the vehicle under warranty because the eecm indicated the engine's maximum allowed speed was exceeded. further investigation revealed the problem is inherent to all aset engines because the oil pump gear helix was changed for the new design engine. the auxiliary shaft direction of rotation was reversed and the direction of thrust on the drive gear forces the drive gear away from the rear bearing journal which it is nested against. older engine design had the direction of thrust toward the bearing journal which held the gear in place. any condition, (like an engine overspeed) that would increase oil pressure could dislodge the gear. according to the dealer, an engine overspeed condition can only occur while going down hill and using the engine to control vehicle speed. if the hill would have been higher, the engine may not have been able to continue to slow the vehicle and a crash would most likely have occurred. this happened in southeast louisiana where high hills are non existent. had this happened in a mountainous area, it could have been disasterous. mack trucks refuses to discuss this any further. |