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CarComplaints.com Notes: Engines shouldn't need a new quart of oil every 500-1000 miles, but for thousands of Suburban owners that's exactly what's happening. Engine oil consumption on aluminum block engines with Active Fuel Management (AFM) is out of control and owners are left looking for answers.

The most likely culprit is an uncovered AFM valve which, in many cases, can be covered under warranty. The problem is the issues don't stop there and many owners have been told by GM just to buy a new engine. Take one guess who they want to pick up the tab.

4.0

definitely annoying
Typical Repair Cost:
No data
Average Mileage:
117,000 miles
Total Complaints:
1 complaints

Most Common Solutions:

  1. raised cabin temperature up to 72 degrees (1 reports)
2007 Chevrolet Suburban accessories - interior problems

accessories - interior problem

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2007 Chevrolet Suburban Owner Comments

problem #1

Jan 062014

Suburban LTZ 5.3L V8

  • Automatic transmission
  • 117,000 miles

A D V E R T I S E M E N T S

My Chevy/GMC dealership service department tells me there is no fix for this.

- Ralph K., Frederick, MD, US

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