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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:
171,000 miles
Total Complaints:
1 complaints

Most Common Solutions:

  1. not sure (1 reports)
2007 Chevrolet Suburban suspension problems

suspension problem

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2007 Chevrolet Suburban Owner Comments

problem #1

Apr 112016

Suburban LS 5.3L V8 Fkex Fuel

  • Automatic transmission
  • 171,000 miles

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

Upper ball Joints Failed yet were replaced only 2 years ago with about 50K miles.

- mako22, Sandwich, MA, US

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