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Car Forum / Ford / Ford Cars / February 200699 ford escort blown engine
Anyone, My 99 ford escort engine locked up and I need some advice on whether to trash the car or put a used engine in it? Sounds like this problem has happened before. The car seemed like it was misfiring..Replaced plugs and wires. This helped but the symptoms came back after a week or so. Then I drove to the gas station approx. 10 miles, car was driving fine, no noises, vibrations or noticeable changes to ride, acceleration, etc. After filling the tank the engine started very rough and a very loud pinging noise (valves clattering?) as the engine ran. I immediately shut the engine off. I started the engine again and the pining was less severe and I drove the car to the side of the building. The car was towed to a shop the next day and the mechanic said the engine was seized up and it needed to be replaced. Is this common? The only thing I can think of is that the oil pump failed and the engine failed from lack of oil? Any info would be appreciated. Thanks. Scott > Anyone, > [quoted text clipped - 14 lines] > > Any info would be appreciated. Thanks. Scott It very likely dropped a valve seat. I've seen it numerous times on late 90s Escorts. It's the 1991-1996 witht he 1.9L engine where the dropped valve seat is a problem. Hopefully my Jasper rebuilt engine I have in mine has that defect cured. As to if you want to put in a new engine or junk it depends upon how long you want to keep the car. Check junkyards and eBay to see if you can get a good used engine cheap enough. > It's the 1991-1996 witht he 1.9L engine where the dropped valve seat is > a problem. What is the typical mileage for this to occur? Can anything be done to prevent it, short of removing the head and reworking the seats? Does it happen to a particular seat more than the others? Thanks >What is the typical mileage for this to occur? Can anything be done to prevent it, short of removing the head and reworking the seats? Does it happen to a particular seat more than the others? Thanks Mine happenned at 72,000 miles. somewhere around 75,000 miles is common. I think it's valves for #4 cylinder. I image you could do a valve job with the fix and that would prevent the problem. >> It's the 1991-1996 witht he 1.9L engine where the dropped valve seat is >> a problem. > > What is the typical mileage for this to occur? Can anything be done to > prevent it, short of removing the head and reworking the seats? Does it > happen to a particular seat more than the others? Thanks Like Fordfan said, it's the 1.9L engine that has this problem.I don't believe I've seen it happen on one with less than ~50K although I'm sure it could. As far as any cylinder being more vulnerable, in my experience it would be #1. I've also seen it happen on #2 and #3, but oddly, not #4. I've never heard the cause for dropped seats, but overheating makes sense. An older engine with a poorly maintained cooling system running hotter than normal over time could cause the steel seat to eventually loosen in the aluminum head. It can happen quickly. I had a customer drop her vehicle off for a brake job last summer. I was standing in the driveway when she pulled in and the car was running fine with no engine noise. When I went to pull it into the bay, it was rattling and running on about 2 cylinders, I had to push it in. Needless to say she was quite upset and was sure I did something to her car. She had it towed to another shop.It had dropped an exhaust seat on #1 and sent debris through the intake into #3 jamming the intake valve open. >> Anyone, >> [quoted text clipped - 16 lines] > > It very likely dropped a valve seat. I've seen it numerous times on late 90s Escorts. Usually related to having overheated the engine, but not always. I think you hit the nail on the head. Thanks! I really wasn't sure if it was #1 or #4 cylinder valves, but definatelyt one of those two. http://www.feoa.net might know, but most of the people there seem to have GT's that have the 1.8L engine so that might not help much. >> The car was towed to a shop the next day and the >> mechanic said the engine was seized up and it needed to be replaced. Is >> this common? Is what common? Given a certain make, model, year, and problem description that a mechanic will know exactly what failed without opening the hood? Maybe, but not a foolproof means of diagnosis. An engine siezes from a lack of oil or coolant, or both, when the pistons and cylinder walls overheat and start melting, etc. The mechanic pulled the head off the block and confirmed this? If not have the car towed to a competent mechanic. |
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