8.0

pretty bad
Typical Repair Cost:
No data
Average Mileage:
86,300 miles
Total Complaints:
1 complaints

Most Common Solutions:

  1. very expensive engine work (1 reports)
2007 Cadillac STS engine problems

engine problem

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2007 Cadillac STS Owner Comments

problem #1

Sep 182021

STS Northstar 4.6L V8

  • Automatic transmission
  • 86,253 miles

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

VVT solenoid failure on 4.6 L Northstar LH2 V8 equipped STS.

Very expensive engine to repair IF parts can be located.

Technician states this could be as simple as replacing the VVT solenoid for $700 OR it could be an issue with the wiring, OR it could be an issue with the computer, OR it could be a sign of the timing chain failing. None of which are cheap or easy repairs on the Northstar engine.

- Todd A., Moorhead, MN, US

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