TravelArt Posted February 28, 2017 Share Posted February 28, 2017 I have a '85 Sunrader Classic 18' rv. The engine has 129,000 miles. The valves and seals have been replace 2 years ago. It is burning a lot of oil -- a quart every 400-500 miles. The bottom of the engine probably needs to be replaced -- rings, etc. Another option is to replace the engine with a remanufactured engine. Anyone have any experience with rebuilding or replacing the engine? Being told that the 22re is too small to hold the weight load of the rv. Thoughts? Thanks. Quote Link to comment Share on other sites More sharing options...
Maineah Posted February 28, 2017 Share Posted February 28, 2017 1 hour ago, TravelArt said: I have a '85 Sunrader Classic 18' rv. The engine has 129,000 miles. The valves and seals have been replace 2 years ago. It is burning a lot of oil -- a quart every 400-500 miles. The bottom of the engine probably needs to be replaced -- rings, etc. Another option is to replace the engine with a remanufactured engine. Anyone have any experience with rebuilding or replacing the engine? Being told that the 22re is too small to hold the weight load of the rv. Thoughts? Thanks. Well it's been doing it for 129K! The engines where pretty famous for front crank seal leaks and they were pretty hard to see just looking under the hood you might check that first. Quote Link to comment Share on other sites More sharing options...
vrocrider Posted February 28, 2017 Share Posted February 28, 2017 I'd check PCV. No synthetic oil.. Correct weight oil? Quote Link to comment Share on other sites More sharing options...
sonny sunrader Posted February 28, 2017 Share Posted February 28, 2017 Doing a valve job on an engine often causes it to burn oil, I'd at the lease have the rings replaced and as long as you have it apart may as well replace main and rod bearings and oil pump. Quote Link to comment Share on other sites More sharing options...
Maineah Posted February 28, 2017 Share Posted February 28, 2017 (edited) With reasonable care the old 22R's would last 200/300K while the 22RE's would probably need a chain at 150K. Check the easy stuff first. Edited February 28, 2017 by Maineah Quote Link to comment Share on other sites More sharing options...
DanAatTheCape Posted March 2, 2017 Share Posted March 2, 2017 have you pulled and inspected spark plugs? An oil fouled plug can indict a specific cylinder Quote Link to comment Share on other sites More sharing options...
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