bleak20588 Posted April 22, 2008 Share Posted April 22, 2008 I recently purchased a 92 SC400 with about 140k on it. The car runs fine and when idling I have no problems. After driving the car to work and back I noticed two problems. One being that while driving my steering wheel feels stiff but not when I am at an idle or sitting still. Second problem being that when I had just about made it home I began to lose my dash lights and radio as I pulled up to my house. I put a battery charger on and my battery was just about dead. While at a stand still my alternator is giving my battery a charge as it registers at about 14. I believe I may need a belt tensioner and I know that I need an ignition lock cylinder because mine is missing, although I dont think that has anything to do with my problem. I took a look at the tensioner and is it as easy as taking the belt off and removing the two visible nuts and the one bolt at the bottom? After I did that it didn't seem to loosen up at all. Let me know what you think..... Thanks in advance. Quote Link to comment Share on other sites More sharing options...
jzz30 Posted April 24, 2008 Share Posted April 24, 2008 the sc reduces steering assist while driving at freeway speeds i dont think there is anything wrong with that. the tentioner may have another bolt or two. take a careful look. something may be covering it. also your voltage regulator may be bad on your alternator or it could be a battery. Quote Link to comment Share on other sites More sharing options...
xaine Posted April 25, 2008 Share Posted April 25, 2008 occasionally , if the battery has a dead cell, it will pull so much from the charging system it will drop volts. seen it happen Quote Link to comment Share on other sites More sharing options...
UCF3 Posted April 25, 2008 Share Posted April 25, 2008 are your Battery terminals clean? I;ve experienced a moment when I though my Alternator was fried. Turned out the alternator was fine, the terminals had too much corrosion. Quote Link to comment Share on other sites More sharing options...
bleak20588 Posted April 25, 2008 Author Share Posted April 25, 2008 occasionally , if the battery has a dead cell, it will pull so much from the charging system it will drop volts.seen it happen Brand new battery and terminals, previous owner just had them replaced. I think he was looking for this problem. I am having the tensioner replaced and going to go from there. 70 bucks for the tensioner and I was able to push the belt down and move the tensioner with minimal effort. I'm hoping that is the problem. Quote Link to comment Share on other sites More sharing options...
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