2008 Chevrolet Silverado 2500 Engine cooling Problems
- Complaints
- 5about this part
- Share
- 3%of 191 total for the year
- Median mileage
- 38,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 5 complaints about the engine cooling of the 2008 Chevrolet Silverado 2500, 3% of the 191 complaints for this model year. Where a mileage was given, the median is 38,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“First time I got headache and dizzy in 5/28/2010 doctor put me in hospital over night and found nothing did not know it was carbon monoxide poisoning and to test blood. Had exhaust leak fixed by dealer ship on 7/02/2010 coworker said he could smell exhaust in cab that's why I took it in I could not smell it. I have had a lot of trouble with exhaust system filter light coming on with engine power reduced. Taking back to dealer ship. …”
NHTSA complaint #10587240, filed 2014-05, 65,000 miles“On highway trying to accelerate, I got a reduced power message and light on dash... Which almost caused an accident. Contacted the dealership and they said bring it in. They replaced the mass air flow sensor. I have not got the message anymore but the truck does not accelerate like it use to. 2500hd duramax ... I am afraid if the issue happens again all costs will be out of pocket for me. I just went over 38k miles.”
NHTSA complaint #10365721, filed 2010-11, 38,000 miles“During the winter here in northern ohio I have been experiencing a reduced power mode in my chevy diesel powered truck. It has happened repeatedly,almost daily, and on friday, mar 20th, while driving on the freeway the truck unexpectedly went into this reduced power mode twice and dropped from 65 MPH to less than 40 MPH, almost causing a crash because of the sudden deceleration in one instance. I have been to the dealership twice now over this issue, in both cases they said it was my aftermarket air intake product and it's supposed fouling of a key engine sensor, the maf sensor. …”
NHTSA complaint #10262711, filed 2009-03, 5,560 miles“The contact owns a 2008 Chevrolet SILVERADO 2500 diesel. The contact stated that carbon monoxide fumes were emitted into the vehicle through the vents. The vehicle was taken to the dealer who was unable to diagnose the failure. The manufacturer was made aware of the failure who did not offer any assistance. The vehicle was not repaired. The failure and current mileage was 29,000.”
NHTSA complaint #10448338, filed 2012-02, 29,000 milesRelated service bulletins
- 10251890Mar 13, 2024This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank…
- 10250775Feb 22, 2024This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large…
- 10250505Feb 7, 2024This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
- 10250347Feb 2, 2024This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and…
- 10249579Jan 12, 2024This PI bulletin advises the technician on the proper way to install the pistons in an engine.
- 10245395Nov 6, 2023This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing…
- 10244273Oct 6, 2023This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
- 10247768Sep 1, 2023This Preliminary Information communication provides information to the technician of a complaint of a sag or hesitation when accelerating. The concern is present when coasting at…
- 10242843Sep 1, 2023The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the…
- 10242262Aug 24, 2023This service bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and…
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2023 | 1 | 2% |
| 2022 | 3 | 3% |
| 2020 | 4 | 4% |
| 2019 | 3 | 4% |
| 2018 | 1 | 2% |
| 2015 | 1 | 1% |
| 2011 | 1 | 1% |
| 2009 | 1 | 2% |
| 2008 | 5 | 3% |
| 2007 | 13 | 6% |
| 2006 | 12 | 7% |
| 2005 | 16 | 6% |
| 2004 | 23 | 6% |
| 2003 | 16 | 4% |
| 2002 | 43 | 12% |
| 2001 | 78 | 20% |
| 2000 | 11 | 8% |
| 1999 | 3 | 4% |
| 1998 | 2 | 3% |
| 1997 | 7 | 11% |
Other parts of the 2008 Chevrolet Silverado 2500
106 complaintsElectrical system
23 complaintsBody and structure
19 complaintsOther or unknown
15 complaintsTransmission and drivetrain
14 complaintsFuel system
7 complaintsSteering
7 complaintsBrakes
5 complaintsVisibility (wipers, defrost, mirrors)
5 complaintsEngine
4 complaintsSeat belts
4 complaintsTires
4 complaints
← All problems reported for the 2008 Chevrolet Silverado 2500
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology