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Engine Gremlin 850

A few weeks ago my '94 850 with 147K started making terrible noises while running. Then when I tried to turn it off, it kept running! Of course, when I got it to the mechanic, the noises had stopped and it turned off perfectly and started right up again. He couldn't replicate the problem but since my teenage daughter normally drives the car, I wanted it fixed. So he replaced the ignition switch. It worked fine for a few more weeks, and then 2 weeks ago, the noise started again, and I couldn't turn it off (the engine kept running). Eventually, all the lights came on on the dashboard and I could then shut it off (this took perhaps a minute or two). When I tried to restart it, it was dead. Had it towed back to the mechanic who put in a new starter. All was fine for a week, then the noise started again (this happens when the car has been running for about a half hour)and I couldn't shut it down again. Once again, back to the mechanic (of course the noise stopped during the drive over there - it stopped when I went over a speed bump). He says the starter has burned out! One of his other mechanics did hear the noise I was trying to describe - he thought it sounded like a belt screeching. My husband thinks the noise is the starter coming on while the car is running - the mechanic didn't think it sounded like a starter. Who knows? Anyway, the shop is baffled and I am at my wits end! Any suggestions? Thanks for your help.








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    Engine Gremlin 850

    take it to another shop!

    sounds like time for a visit to a Volvo Dealer with a reputable shop.

    the starter switch could cause this type of problem, but it can be diagnosed normally kust by wiggleing the key in the ignition, a easy thing to rule out!

    the starter itself should never have burnt up in that short of time, this should be a warrenty repair.

    A loose fan belt would probably make noises at most engine speeds if it is really loose. there is a automatic belt tensioner that compensates for this.

    I think they are just changeing parts on your car to hope they can fix it. The mechanic shuold first diagnose teh problem completely and then change bad parts.

    In aviation, we call this Shotgun Troubleshooting!! keep changning parts untill the problem goes away..very costly way to troubleshoot a problem. usually a inexperienced mechanic does this.

    take the car to volvo and request a "Master Technician" work on your car, not a regular Tech!!!!!!

    I think you are being ripped off! Your original starter was probably OK, there is a starter solenoid that engages the starter, this could be your problem, but if the starter was enganging it would be contacting your flywheel with it's bendix gear (starter gear) and this would make a load noise, you can duplcate it by turning the key to the start position with the engine running, if this is the same sound you are talking about, then the solenoid is probably bad.

    Dan
    FAA Licensed Aircraft mechanic
    1997 850 GLT Turbo.








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    Engine Gremlin 850


    That happened to me on my honda that i used to have.

    Its your ignition KEY. What happens it gets worn down and doesnt work properly.
    After that happened to me I simply used my valet key and that problem never happened again. But I also had to replace my starter too because what happens it stays engaged on your fly wheel and it will burn out

    It happened to me on a cold night and I had no tools so it was stuck in the start position. Drivable with no accessories. And quite loud. I got home and had to disconnect the battery. I eventually manage to get the key out. Never used that key again.







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