Roger3116 Posted February 22, 2004 Report Share Posted February 22, 2004 I just changed the oil in my 92 STS and when I took the oil filter off there was a small valve assembly laying on the top of the oil filter. I removed the oil filter adapter and found that there are 2 of these in the adapter--a big one and a small one. The cadillac service manual calls them both valve assemblys. It appears to me that the bigger one is the by-pass valve and the small one might be some kind of anti-drain back valve. I could not reinstall it because it was crushed. I can only assume this happened when I put the oil filter on the last time I changed the oil. Now for my question. Can I drive the car without it installed until I can order a new one and in fact do I need to replace it at all. I will have to buy a new adapter --over $100 Cdn. Thanks for your help---Roger Link to comment Share on other sites More sharing options...
Roger3116 Posted February 22, 2004 Author Report Share Posted February 22, 2004 28 people have read about my problem and no one has the answer. Sounds like I need Mr. Bbobynski. Thanks for helping. Roger Link to comment Share on other sites More sharing options...
careldo Posted February 22, 2004 Report Share Posted February 22, 2004 Roger, I don't beleive the damage occured while removing or installing a filter.there was a failure somewhere for this to occur.I would replace the housing to be sure everthing works as designed.I replaced mine due to a crack last summer it was quite an easy job to do, remember to buy the o-rings for the 2 oil lines that connect to the housing.The 2 o-rings for the housing are included. BTW don't over tighten the pipes and housing as you will crush them and have a premature oil leak.BOLT TORQUE is 14 FT LBS good luck Link to comment Share on other sites More sharing options...
Roger3116 Posted February 23, 2004 Author Report Share Posted February 23, 2004 Mr. Bbobynski------Thank-you very much--I knew you would know. At least I can drive the car for a couple of of days and not worry. Thanks again Roger Link to comment Share on other sites More sharing options...
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