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#1
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Busy rehabilitating an '83 380SL here. The fluid in the P/S reservoir was pure coal black when I checked it. Thought I would at a minimum suck out the old fluid and examine the screen, perform a temporary ATF refill, then order a new screen from the PartsShop for a full drain job later on. Drained reservoir using a suction tool from the top, expecting based on other posts here to find a filter at the bottom of it. Nada! No filter! Only a ring of round holes that might possibly filter a pachinko ball. And I can't see where a filter would go, either. There is a shaft coming up from the center of the ring of round holes, with a spring concentric to it. The reservoir cover mounts to this shaft. But that's it. Looked in the 107 svc manual and there is no reference to a filter in the P/S system. But the PartsShop has one listed for the 380SL for that year. Am I confused? Is there no filter from the factory, or did some inept wrench just leave it off this car at some point in the past? I assume that the guys running the PartsShop are up on their game. Anyway, I refilled with clean ATF, drove, steered lock to lock a few times, found the fluid filthy again. I'm going to drain and refill a couple of times (Dexron III) as a stopgap until this question is sorted out. Thanks in advance to anyone who can solve the mystery... Ron H -- |
#2
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Under the metal ring w/holes you should find the filter, it's bonded to the ring. Remove the spring to replace it.
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#3
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The plate with the holes in it is the steady plate. Remove the spring, the steady plate will lift off, the filter should be right beneath the plate. It stands about 1 - 1 1/2 inches tall and approx 2 1/2 in diameter.
------------------ Mike Tangas 73 280 SEL 4.5 |
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To properly do a complete flush and fill of the steering system, you should empty the resirvoir, then drain the steering gearbox. Next, replace the filter and fill the resirvoir to the top and disconnect the return line at the side of the resirvoir and plug the open connection. Get an old washer fluid bottle or something equivalent and put the return line in it to catch the fluid that will come spurting out of the line. Next, start the car and have an assistant quickly turn the steering wheel lock to lock and be prepared to quickly keep the resirvoir topped up with fluid, as it will be sucked through quickly. When clean fluid comes out of the return line, shut the car down and reconnect the line to the resirvoir. The fluid will be foamy but just let it settle for a while then check the level again and restart the car and make sure the steering operation is nice and smooth and quiet. That's it! ------------------ Rgds, Aaron Greenberg MB technician Precision Motorcars, Cincinnati, Ohio '67 250SE Cabriolet '77 450SL '80 300SD '85 380SE '86 420SEL '89 420SEL '93 300E 2.8 '74 Jensen Interceptor Mk.III '81 DeLorean DMC12 '84 BMW 745i Turbo |
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