ericcroll Posted August 15, 2011 Share Posted August 15, 2011 I have a 97 OBW with high mileage, and have seen my share of frozen calipers. I am wondering if the twin piston calipers are prone to this, and if they are, if I can replace then with single piston calipers, which are considerably more abundant in the junkyard. I'm sure I can get some new ones that will likely hold up for a while, but I'm not really into spending a whole lot of money on this car right now. I suppose that a remedy for this ceasing would be an option as well, if one of you has any great ideas. Quote Link to comment Share on other sites More sharing options...
ShawnW Posted August 15, 2011 Share Posted August 15, 2011 Usually those come on cars with smaller rotors and caliper brackets. I would bet you run into something not clearing but by all means try it. Quote Link to comment Share on other sites More sharing options...
Rooster2 Posted August 16, 2011 Share Posted August 16, 2011 Usually those come on cars with smaller rotors and caliper brackets. I would bet you run into something not clearing but by all means try it. My same thought......I had a 91 Leggie with single piston, my 99 OBW has the double piston. I remember the rotor being smaller on the 91, so I don't think a single will fit on a double system. BTW, I just priced a front double piston caliper for my 99 OBW at the Advance Auto Parts website, cost is $61 less current $20 discount, so $41 plus tax, and your old core. If there is a store near you, you can pick up your purchase at their store, and avoid shipping charge. Not a bad price. It is prolly a rebuilt unit. The $20 discount is for web shoppers only, and not available if bought at the store. Quote Link to comment Share on other sites More sharing options...
idosubaru Posted August 16, 2011 Share Posted August 16, 2011 they aren't "prone" to it - but it does happen too. lack of fluid changes probably doesn't help. doesn't sound like you have a problem, just don't replace them. better off replacing the fluid probably than calipers that are working fine. subaru brakes are all over the place. you can *sometimes* swap calipers that traditionally come with different size rotors as the bracket creates the spacing. but then sometimes you can't do that either, it's a real debacle to keep all the size differences straight...and then various calipers, brackets, slides verses bolts, etc. Quote Link to comment Share on other sites More sharing options...
GeneralDisorder Posted August 16, 2011 Share Posted August 16, 2011 Just get some calipers from www.rockauto.com The OBW's had the larger brakes for a reason. GD Quote Link to comment Share on other sites More sharing options...
Fairtax4me Posted August 17, 2011 Share Posted August 17, 2011 Do the pistons seize or the slide pins? Slide pins are a big problem on any car. The dual piston calipers work much better than single piston from what I've heard. Quote Link to comment Share on other sites More sharing options...
GeneralDisorder Posted August 17, 2011 Share Posted August 17, 2011 In my experience the pistons seize up on the dual-piston units more commonly. But that could be partially due to them simply having twice as many to fail. GD Quote Link to comment Share on other sites More sharing options...
1-3-2-4 Posted August 17, 2011 Share Posted August 17, 2011 ^ had this happen to me the passenger front I don't think it's worth trying to repair and replace the piston when you can get a rebuilt for the amount they charge. Quote Link to comment Share on other sites More sharing options...
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