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Rocker arm came off valve/Cam Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Engine Troubleshooting rwwirth New User Mar 29, 2009, 2:52 PM Post #1 of 3 (2071 views) Rocker arm came off valve/Cam Sign In 1991 Plymouth Acclaim, 2.5 L engine,120,000 miles ...engine was diagnosed with no compression in cyl #1, after removal of valve cover noticed roller rocker arm disengaged from cam and valve..... what is the best way to reconnect.....remove bolts from overhead cam, lift and reset (risk is spining of cam shaft bearing) compress spring and valve and slide back into position (risk of compressing just spring could cause locks to come detached and valve falling into cylinder) What is the best way to approach this problem? Loren Champlain Sr Veteran / Moderator Mar 29, 2009, 7:10 PM Post #2 of 3 (2064 views) Re: Rocker arm came off valve/Cam Sign In If the rocker arm came loose, the compression should be good, as the valve on that cylinder won't be opening. If a valve spring broke, it would allow the valve to hang open, and you'd have no compression. So, do some further inspection. A valve spring can be replaced on the car, but you must have a way of pressurizing that cylinder with air to hold the valve closed while you replace the spring. Loren SW Washington crocodilebobbie New User Mar 30, 2009, 10:01 AM Post #3 of 3 (2062 views) Re: Rocker arm came off valve/Cam Sign In Hi: I had this problem and the cam shaft was broken. It may not be obvious that the camshaft is broken, though. bobbie   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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