2006 — 2007
4.6L V8 - 239kW
Petrol
While cruising in a high gear at low RPM, gently accelerate to listen for any shuddering or hesitation, as the 5-speed automatic transmissions in these models can occasionally show signs of wear in the torque converter.
Check this by turning the steering wheel to full lock in both directions while at a slow crawl; listen for any clicking or whining sounds from the steering rack or pump, which are common to monitor on S197-based performance models.
While driving over uneven surfaces, listen carefully for any rattling or clunking from the suspension; the sway bar end links and bushings may have some play due to the age of the rubber components.
Check this by examining the door sills and the base of the windshield cowl for any signs of water ingress; keeping an eye on the cabin air filter area is wise, as these can occasionally allow moisture into the footwells if not kept clear.
Usually the time to inspect the condition of the original suspension dampers and consider if a refresh would improve the handling character.
A major service interval where it is prudent to replace the spark plugs, coolant, and flush the brake fluid to maintain performance.
Recommended to have the serpentine belt and tensioner inspected for any signs of cracking or fatigue to prevent roadside surprises.
Keep a regular eye on your engine oil levels, as these V8 units enjoy a good health check every 5,000 to 7,000 kilometers.
Make sure to inspect your tire tread patterns regularly to ensure the limited-slip differential is putting power down evenly.
It is a great practice to keep the exterior badges and the unique 'Shelby' stripes clean to prevent debris from staining the finish.
Ensure the cooling system is topped up with the correct coolant, as maintaining optimal temperatures is key for the 4.6L longevity.
Periodically check your brake pads and rotors, especially if you enjoy the occasional spirited drive on winding roads.
Estimated repair costs if issues arise
As these cars reach their current age, the rubber bushings in the suspension can begin to harden or crack. Depending on the car's history, you might eventually need to budget for a full suspension refresh to keep that sharp Shelby handling feel.
In cars of this age, it's common to consider that the alternator might reach the end of its service life. If this component needs attention in the future, the estimated cost in NZ includes both the part and the necessary labour to access the unit.
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Disclaimer: This report is generated with the assistance of AI analysis based on verified automotive data. While we strive for 100% accuracy, enthusiasts should always conduct physical inspections and consult service records. View Full Disclaimer