GMC Savana 2500 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your GMC Savana 2500

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GMC Savana 2500 Problems

Reduced Power and Check Engine Light

The 2008-2015 GMC Savana 2500 uses a throttle position sensor (TPS) which commonly fails and causes:

This issue is related to the throttle position sensor, and can be caused by faulty wiring to the TPS, bad connection at the TPS, or a failed TPS.

To correct this issue, the wiring harness, connector, and throttle position sensor must be inspected, tested, and/or replaced. The most common cause is a faulty TPS.

Instrument Panel Lights Flickering and Exterior Lights Intermittent

The headlight switch used on the GMC Savana 2500 is known to fail through normal operation. Since the headlight switch is also integrated into the interior lights, a malfunctioning switch can cause issues with interior lights as well.

  • Symptoms of a failed headlight switch include:
  • Headlights and taillights failing to turn on or off
  • Interior lights flicker, or fail to turn on or off
  • Gauge cluster lighting off or flickering with headlights on
  • Parking light malfunctions  

This issue is well known with General Motors Trucks and SUVs, and is solved by testing and, if needed, replacing the headlight/dimmer switch. Bad grounding wires at the tail-lights, and dirty/corroded tow package wires can also lead to some of these issues. 

The Fuel Pump May Fail Causing the Engine to Stall or Crank Over But Not Start

The fuel pump may fail causing the engine to stall and not restart.

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GMC Savana 2500 Questions

Will start/not start sporadically. When it doesn't start, doesn't turn over (1 answer)

Battery has been replaced but didn't fix the issue. The problem seems to occur more often when trying to start the van after it has recently been run. (Stalled at the gas pump, in a parking lot after getting groceries.)

When it doesn't start and the key is turned, the van has full po...

Why does my engine go dead when I put it in reverse ? (1 answer)

Replaced torque converter last week everything good til I put it in reverse then instantly the motor shuts off.

why is my paint peeling on the hood and roof ? (1 answer)

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GMC Savana 2500 Recalls

Vehicle Equipped With Improper Inside And Outside Mirror Combinations

The vehicles were built with an improper mirror combination of no inside rear view mirror and a right hand convex mirror. Vehicles require both side mirrors being flat if no inside mirror is provided. Dealers will install a right hand flat rear view mirror free of charge to resolve the concern.

Engine Stalls From Electrical Module Short

The chassis electrical module can short due to internal contamination. This can result in the vehicle stalling. Dealers will replace the chassis electronic module free of charge to resolve the concern.

Natural Gas Leak

Certain vehicles equipped to run on compressed natural gas are being recalled because the high pressure natural gas regulator could develop a leak, increasing the risk of a fire or explosion. Dealers will replace the natural gas regulator to correct this concern.

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GMC Savana 2500 Reviews

Our 1999 is the worest van I have ever had. It is so cheaply made. The spare tire cable broke and my spare fell off. My door locks are falling down inside my doors. My door panels are all cracking and becomeing so brittle. My radio only works when it wants to. The van body shifts or twists and binds the doors so they are real hard to open and close sometimes. The paint is peeling off in large c...
I have a 1999 GMC Savana 2500 cargo van with the 5.0L V8. I use this vehicle for work and I treat it pretty poorly, but it keeps coming back for more. I've replaced a transmission, alternator and it eats brakes because of the hills around here, but I expect that! I'll consider another one when this one is put out to pasture!

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