Aug 7, 2007 · If you don't want to open up the engine and manually clean it up I would do an engine flush. Pour it in, let it idle for 10-15 mins or whatever the directions state. Do not drive it while the flush is in the engine unless you want to buy a new engine. Let drain out and refill with a cheap conventional oil. Formula Shell at Home Depot for $13/jug is fine. Do about 3 short intervals of 500-1500 ...

Aug 15, 2024 · Your car is a known slugger. You should run an engine flush like Liqui Moly and get your OCI down. The PCV valve should be replaced. If you can, remove valve covers and physically remove sludge. The hope is that there is minimal cylinder wall wear and that there are no stuck piston rings. Check out the Car Care Nut YouTube videos. You can definitely keep on driving, but a sludgy oil cap in a ...

Dec 24, 2011 · Oil change interval takes a back seat to engine condition, design, usage, and many other things. Just change the oil using the simple interval/instructions provided by the manufacturer and you'll be fine. There are some examples of sludge prone engines, but problems are usually identified by the mfg and some corrective action taken.

Jan 10, 2024 · I found more sludge in the other valve cover after another oil change. (It's a boxer engine so 2 opposing valve covers) After research I have found a few different options. 1. Use an engine flush 2. Use diesel oil (Ie Shell Rotella T6) 3. Add Rislone or Seafoam to oil before oil change 4. Use Valvoline Premium blue restore I'm leaning towards ...

May 28, 2019 · Hello I have a 2000 Lexus RX300 with 310k miles. The engine is the 1MZ-FE engine that is known for sludge and I bet I have a fair amount of sludge by now. I am afraid to pull the rear valve cover. I switched to full synthetic about 4 years ago and run 5W30. I consume about 1 quart every 500...

Aug 15, 2005 · on the oil change after using Amsoil engine flush i used Pennzoil Ultra and with 1600 miles changed and filter was full of carbon. Thinking I might continue to use Pennzoil Ultra until filters start looking better then switch back to Amsoil. I want to know what is the best oil to use to clean out sludge.

Feb 6, 2007 · If the oil is clean and no sludge visible on oil cap, dipstick, etc., ask questions and for reciepts. Tell the seller you want to take vehicle to a mechanic for an inspection. I believe some Audis, Chrysler/Dodge, Toyota, Saabs, and VW are at the top of the "sludge monster list".

May 7, 2018 · One of the used vehicles I’m researching is a Lexus RX300 which has the 1MZ-FE engine. The Wikipedia article about this engine says: “These engines are prone to oil gelling. Another name for the issue was "engine sludge". There was a class action lawsuit due to this problem. It is very...

Oct 9, 2013 · Thus the engine is never run. Solvent stays in the sump and target-flushes the PCV system only. Then I drain the flush and replace with a favourite flavour of synthetic oil? So, my question… Will it fly? Is this a plan? Any suggestions please on an effective solvent agent that can dissolve oil sludge. I can leave it pumping round for a few hours.

Aug 8, 2016 · It cleans out up to 40% of engine sludge in the first oil change and continues to clean in the second oil change. It also provides enhanced protection for worn engine parts and helps condition engine seals.