Dura Lube HL-40831-06 Sludge Away Engine Cleaner, 32-Ounce, Single
- Reduces sludge buildup and prevents oil coking.
- For repeated use, change oil every 3,000 miles on most passenger vehicles by substituting 1 quart of motor oil with Dura Lube Sludge Away. Continue using until sludge appears to be reducing. Check oil pan to review sludge consistency on discarded oil.
- For more severe sludge build up, change the oil and add Sludge Away engine product every 1,000 miles.
- Repeat application as needed until performance and oil color returns to normal.
- oil color should be amber to a dark brown, not black.
- Sludge Away engine product works with all types of motor oils including high mileage and synthetics.