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2007 Mack MR problems

Typical yearClose to a typical year
Owner complaints
0
Recalls
3
Service bulletins
49

The worst 2007 Mack MR problems

Ranked by number of owner complaints. Mileage and cost come from what owners wrote.

Problems by type

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Recalls 3

Service brakes, air: supply: check valveReported March 26, 2008 · 218 vehicles affected
What is wrong
Mack is recalling 218 my 2006-2007 mr trucks. A check valve was omitted from the secondary supply port of the sr-7 spring brake modulating valve.
Risk
As a result, an air leak in the secondary or primary system may result in the park brakes inadvertently applying, increasing the risk of a crash.
Remedy
Dealers will add a check valve to the secondary supply port of the sr-7 spring brake modulating valve and will also repair the sr-7 valve by applying a check valve repair kit as required for the bendix safety recall (please see 07e-037). The recall began on april 15, 2008. Owners may contact mack at 1‑800‑528‑6586.

Recall number 08V144000 · Recall details

Parking brakeReported August 15, 2007 · 18,805 vehicles affected
What is wrong
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.
Risk
This could delay or failure in applying the parking brakes which could result in a vehicle roll away, increasing the risk of a crash.
Remedy
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.

Recall number 07V360000 · Recall details

Parking brake: conventional: airReported June 28, 2006 · 2,587 vehicles affected
What is wrong
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.
Risk
The delayed parking brake application can occur without warning, leading to unintended vehicle rollaway increasing the risk of a crash.
Remedy
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.

Recall number 06V232000 · Recall details

See all 3 recalls for the 2007 Mack MR

Defect investigations

Air brake system control valvesOpened June 18, 2009, closed August 13, 2010

Investigation has not identified a defect.complaints have abated.see closing report for further details.

EA09009

Air brake control valveOpened February 13, 2009, closed June 18, 2009

Odi is closing this preliminary evaluation and opening an engineering analysis (ea09-009) to further identify and evaluate the vehicle environment and brake system factors that may be causing or contributing to extended stopping distance perfromance in certain vehicles.

PE09010

Technical service bulletins for the 2007 Mack MR 49

Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.

See all 49 bulletins for the 2007 Mack MR

Used buying checklistWhat to check on a 2007 Mack MR before you buy

Compare the 2007 Mack MR

Other model years

1999

Questions about the 2007 Mack MR

Is the 2007 Mack MR reliable?

Owners have filed 0 complaints about the 2007 Mack MR.

What is the most common problem with the 2007 Mack MR?

There are not enough complaints to tell.

How many recalls does the 2007 Mack MR have?

3 recalls, covering service brakes, air and parking brake.

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