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2001 Cadillac Seville SLS 4.6L Piston Knock/Carbon
Car seems to have the typical carbon/piston knock when engine gets warm. Archives tell there are newly designed pistons, and that it can be carbon build up on the upper rings. Iam not a fan of the top end cleaner. I have concerns of it damaging the cat and O2'...
Summary posted 9/7/2010
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Message Closed w/Summary
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14 Replies Received
Related Documents & Media | VIN | 1G6KS54Y11 |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Affected | Piston Knock/Carbon |
| Conditions | Piston Knock/Carbon |
Message Closed w/Summary
Vehicle Data
2001 Cadillac Seville SLS
| VIN | 1G6KS54Y11 |
| Engine | 4.6 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Affected | Piston Knock/Carbon |
| Conditions | Piston Knock/Carbon |
Video