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2003-2008 · 6 model years

GMC C4500 Problems by year

Owners have filed 16 complaints about the GMC C4500 across 6 model years, and it has 3 recalls. The 2005 has the most complaints once its age is allowed for (2), while 2004 has far fewer than a typical year. The most reported problem area is the brakes, followed by the engine & cooling.

Most complaints for its age20052 complaints · 2 recallsSee the 2005
Complaints
16
Recalls
3
Crashes
0
Fires
1
Injuries
2
Deaths
0

C4500 complaints by model year

Highlighted: the year with the most complaints for its age. Older vehicles have had more time to collect complaints - the Safety Index grade allows for that.

YearComplaintsRecallsCrashesFiresTop problemGrade
20081101Electrical systemB
20072200Engine & coolingC
20064200BrakesC
20052200BrakesD
20041000BrakesA
20036100BrakesC

Most common C4500 problems

GMC C4500 recalls 3

Latest C4500 complaints

2007 GMC C4500Fuel system

Vehicle has complete fuel system failure. In talking to dsu in portland, they told me that this is a common problem in this year of vehicle and that a check valve in the fuel pump disintegrates and destroys the entire fuel system. They told me that gm knows about this issue, has changed the check valve in newer injection pumps but will not warranty and or recall these pumps. This causes a $12,000 repair.

Filed Incident Fuel / propulsion systemNHTSA 10717084
2006 GMC C4500Engine & cooling

Pulling a loaded trailer up a steep grade on a major highway. Speed was approx. 40Mph. Driver hear a "clunk" noise then the low coolant light came on and then the engine temp started to rise. Pulled over and there was coolant leaking from the front of the truck. Upon further inspection the bottom radiator hose had been cut from the fan that exploded and the fan also tore the fan shroud open too. Summary- fan exploded, which ruined the fan shroud and the lower radiator hose. *Tr

Filed Incident EngineNHTSA 10561187
2006 GMC C4500Visibility & wipersSeats & seat belts

One side of seat back is unhinged and the driver's back gets suddenly shifted around without warning. 2) Defroster and heating vents do not work 3) mirrors are badly corroded and unadjustable, it is owned by peapod by stop and shop and they couldn't care less about fixing this, very dangerous vehicle the parent corporation of peapod and stop and shop giant has hundreds of millions of dollars in cash laying around I might add; this horror show of a truck is located at [[redacted]]; the number on the back of the truck is 72 "seventy two". Information redacted pursuant to the freedom of information act (foia), 5 u.S.C. 552(B)(6).*Tr

Filed Incident Visibility · SeatsNHTSA 10444998
2008 GMC C4500Engine & coolingElectrical systemFire

At approximately 2:15 pm on 9/16/2011 this ambulance was traveling at 55-60 mph in route back to the station after dropping a patient at the hospital, the driver reports that there was a load pop!; Followed by a hissing sound under the hood. As he proceeded to move to the shoulder of the road to investigate the problem the driver observed white smoke billowing out the back of the unit. Before he could get stopped; the white smoke began entering the cab through the ac vents. He pulled over and as he and his emt...

Read the full complaint

partner exited the vehicle the front end of the truck erupted in flames!!! This could have been a disaster had there been a life emergency in the patient compartment. On 9/19, we had the unit inspected by the sheriff's office forensic division. During the forensic inspection it was observed that the right side alternator had seized and broken in half! When this event occurred it severed the the ac compressor lines and possibly other lines with flammable fluids as there are pressure and return lines for all types of fluids(fuel, brake fluid, transmission fluid, power steering fluid) located in the immediate vicinity of the alternator. *Kb

Filed Incident Engine and engine cooling · Electrical systemNHTSA 10426321
2004 GMC C4500Brakes

Tl* the contact owns a 2004 gmc c4500. The contact was traveling 35 mph when the brakes were applied and the brake line exploded. The failure recurred three times and on each occasion, the brake line was replaced by a private mechanic. The vehicle was taken to the dealer and the manufacturer was made aware of the failure. The vehicle was repaired. The failure mileage was 31,000 and the current mileage was 55,000.

Filed Incident Service brakes, hydraulicNHTSA 10417058
2003 GMC C4500Wheels & tires

Purchases tires in june 2009 -- upon inspection this weekend 4/11/2010 we noticed large cracks in the tires almost like it was separating. We brought them to the dealer and they charged us $100 to replace them after admitting that the tires had failed and were defective. *Tr

Filed Incident TiresNHTSA 10325038

Questions about the GMC C4500

Which GMC C4500 years have the most problems?

By the number of complaints owners filed with NHTSA: 2003 (6), 2006 (4), 2005 (2). Allowing for how long each has been on the road, the 2005 stands out most. Complaint counts also rise with sales, so compare years of the same model rather than different models.

Which GMC C4500 years have the fewest complaints?

Among model years that have been on the road for at least three years, 2004, 2008 have the best Safety Index - the fewest complaints, crashes and recalls for their age compared with other C4500 years. Always check the exact vehicle's recalls by VIN before you buy.

What are the most common GMC C4500 problems?

Across every model year, owners report problems with the brakes (5), engine & cooling (5), transmission & drivetrain (4) most often.

How many recalls does the GMC C4500 have?

NHTSA lists 3 recalls across all GMC C4500 model years. Each year's page lists the recalls for that year; check your own vehicle by VIN at nhtsa.gov/recalls to see whether the repair has been done.

Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data

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