2012 Chevrolet Express 3500 Service and Repair Manual
This factory service and repair manual for the 2012 Chevrolet Express 3500 is arranged by system rather than by model, which suits a van sold in seven bodies and three trims. A three-door cargo van and a four-door passenger van share the same frame, brake and rear axle sections but diverge in glass, seating and body wiring. The engines are the turbocharged 6.6L diesel V8, the flex-fuel 4.8L V8 and the 6.0L V8 set up for compressed natural gas or flex-fuel operation.
Engines covered
- 6.6L V8 (403 cu in) — OHV, turbocharged, diesel
- 4.8L V8 (294 cu in) — OHV, naturally aspirated, flex-fuel
- 6.0L V8 (364 cu in) — OHV, naturally aspirated, CNG or flex-fuel
Body styles covered
- 3-door extended cargo van
- 3-door standard cargo van
- 4-door standard passenger van
- 3-door extended passenger van
- 3-door standard passenger van
- 2-door cutaway van
- 4-door standard cargo van
Trims covered
- Base
- LS
- LT
Known issues on the 2012 Express 3500. Nothing is recorded against this year federally, neither recalls nor owner complaints. Read it for coverage instead: engine mechanical work with clearances and torque sequences for all three units, fuel and emissions procedures that differ by whether the van runs pump gasoline, an ethanol blend, natural gas or diesel, transmission and axle service, steering gear and suspension specifications, brake hydraulic and antilock diagnosis, and heating and air conditioning across both the cargo and passenger shells.
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
This service bulletin provides information on Tire Sidewall Irregularities.
This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customers vehicles that exhibit vibration conditions without utilizing the s
The 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 customer that it is normal for the delay.
Showing the 8 most recent of 361 technical service bulletins on file with NHTSA.
THE VAN IS A 2012 CUT AWAY SCHOOL BUS. ON 1-20-2018 DEVELOPED A GASOLINE LEAK ON THE VENT SIDE OF THE FUEL MODULE ON TOP OF THE FUEL TANK.TOOK TO CHEVY DEALER FOR REPAIRS. THEY REP
HAVE A 2012 CHEVROLET CUT AWAY VAN FOR A SCHOOL BUS USE. STARTED LEAKING GASOLINE OUT OF THE PRESSURE SIDE LINE ON THE FURL MODULE. HAD TO HAVE TOWED TO CHEVY DEALER FOR REPAIRS. T
HAVE 2 2012 CHEVY CUT AWAY VAN SCHOOL BUSES WITH THE FUEL PUMP MODULE START LEAKING. 1 LEAKED ON THE PRESSURE LINE,THE OTHER ON THE VENT LINE. BOTH BUSES HAVE LESS THAN 150000 MILE
VEHICLE HAD NO RUNNING LIGHTS. CHECKED BULBS AND FUSES OK .VAN WENT TO CHEVY DEALER WAS CHARGED 100.00 CHECKOUT FEE. THE DEALER FOUND NO GROUND FROM BCM . THEY TOLD ME IT WOULD BE
Showing the 4 most serious of 5 complaints filed with NHTSA.
