1997 Mack Ch Recalls, Complaints & Specs
2 safety recalls list the 1997 Mack Ch, and owners have filed 1 complaint with NHTSA. Check your own VIN below.
2 safety recalls for the 1997 Mack Ch
Most recent first. Recall repairs are free at any authorised dealer. Click a recall for the full defect, consequence and remedy text.
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Pressure relief devices (fuel system)
On certain chassis built with lng engines, the nexgen lng tank's primary and secondary relief valves could fail to open and relieve tank pressure.
Remedy: Dealers 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…
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Connection (steering)
Vehicle description: class 8 heavy duty trucks. During assembly, insufficient torque occurred of the drag link to the axle steering arm connection. If the drag link to axle sttering arm connection is not torqued and the cotter pin is not installed, the nut could back off during vehicle operation.
Remedy: Dealers will retorque the drag link to the axle steering arm connection.
1 owner complaint filed with NHTSA
Owners of the 1997 Mack Ch have filed 1 complaint with NHTSA. Complaints peaked in 1997 with 1 filed that year.
Most-reported components
What owners are reporting
“Serious vibration, resulting in several transmission/engine repairs to no avail.”
Owner complaint to NHTSA, September 2, 1997 · Engine and engine cooling
Compare Mack Ch model years
Recall and complaint counts for every Mack Ch model year in NHTSA's database.
| Model year | Recalls | Complaints |
|---|---|---|
| 1987 Mack Ch | 1 | 0 |
| 1988 Mack Ch | 6 | 0 |
| 1989 Mack Ch | 7 | 0 |
| 1990 Mack Ch | 5 | 0 |
| 1991 Mack Ch | 5 | 0 |
| 1992 Mack Ch | 5 | 1 |
| 1993 Mack Ch | 4 | 0 |
| 1994 Mack Ch | 0 | 1 |
| 1995 Mack Ch | 1 | 0 |
| 1996 Mack Ch | 3 | 1 |
| 1997 Mack Ch | 2 | 1 |
| 1998 Mack Ch | 3 | 0 |
| 1999 Mack Ch | 7 | 0 |
| 2000 Mack Ch | 7 | 0 |
| 2001 Mack Ch | 5 | 0 |
| 2002 Mack Ch | 6 | 2 |
| 2003 Mack Ch | 7 | 0 |
| 2004 Mack Ch | 5 | 0 |
| 2005 Mack Ch | 3 | 0 |
| 2006 Mack Ch | 2 | 0 |
| 2007 Mack Ch | 3 | 0 |
Checking a specific 1997 Mack Ch
How do I know if my 1997 Mack Ch has an open recall?
Enter your 17-character VIN above. The VIN is on the driver's side dashboard (visible through the windshield), the driver's door jamb sticker, and your registration or insurance card. The check runs against NHTSA's live database and tells you which campaigns list your vehicle. 2 campaigns currently list the 1997 Mack Ch; your car may already have been repaired under some of them.
Is the recall repair free?
Yes. Under federal law, manufacturers must fix safety recalls at no charge for vehicles up to 15 years old from the date of sale to the first owner. Contact any authorised Mack dealer with your VIN and the NHTSA campaign number (for example 04V159000).
What is the difference between a recall and a complaint?
A recall is a safety campaign filed by the manufacturer or ordered by NHTSA, with a defined defect and remedy. A complaint is a report an owner sent to NHTSA; it is not verified, but patterns of complaints are what trigger NHTSA investigations and, eventually, recalls.
Other Mack models
- Mack28 complaints
- Anthem (an)12 complaints
- Granite (gr)9 complaints
- CXU6127 complaints
- Gu6 complaints
- CH6005 complaints
- Cxu5 complaints
- Rd5 complaints
Source: NHTSA recall and complaint databases and EPA fuel economy data, October 2026. Complaint counts are owner reports to NHTSA, not verified defects. Recall counts are safety campaigns that list this model year; whether a particular car was already repaired depends on its VIN. How this data is compiled.