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Jeep Wrangler YJ
YJ General Discussion
Oil Leak and Oil Pressure
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<blockquote data-quote="Gilaguy23" data-source="post: 432369" data-attributes="member: 19498"><p>So you went for a drive and parked it and that what you get? That significant amount and definately noto helping diagnose the loss. Do make sure its not a bad drain plug gasket,or bad V cover. be a heck of a lot easier then a RM job. Regarding the oil pressure. if its like my 91 Id pull the cluster and where that flat connector plug is clean the tabs like new. I also used a pair of needle nose pliers to flatten out the tabs as they had groves in them of sorts where the contact were made. My OP gauge 95% of the time said 60 all the time with the occasional needle flutter to 40. After the cleaning of the tabs,adding a additional ground wire it then said 40 at speed and almost 0 at idle after warmed up, it also corrected my volt gauge being in the red most of the time. I got tired of farting around with it and installed a mechanical gauge. So with the factory and aftermarket OP gauge I see 40 max at speed and 0 at idle and on the other its 55 psi at speed and 20 at idle. </p><p> Now the part you dont wanna hear. Id also ignor what I post because Im 99.9% sure its not your issue. I have a 89 Bronco with a 302. Drive/cruise unloaded at 55 and the O/P was low at 35 (engine was tired)hit the gas and it would shoot up about 10 psi. Let off the gas as It basically coasted down a couple mile long grade while commuting to work and the O/P would go up to 60 or so. I tested it with a manual gauge as well with the same results. The only logical conclusion we came to was the either the cam was walking forward or backward due to a worn thrust bearing or bottom end bearings were so loose the same was happening somehow causing the issue. The only thing we could figure out.</p></blockquote><p></p>
[QUOTE="Gilaguy23, post: 432369, member: 19498"] So you went for a drive and parked it and that what you get? That significant amount and definately noto helping diagnose the loss. Do make sure its not a bad drain plug gasket,or bad V cover. be a heck of a lot easier then a RM job. Regarding the oil pressure. if its like my 91 Id pull the cluster and where that flat connector plug is clean the tabs like new. I also used a pair of needle nose pliers to flatten out the tabs as they had groves in them of sorts where the contact were made. My OP gauge 95% of the time said 60 all the time with the occasional needle flutter to 40. After the cleaning of the tabs,adding a additional ground wire it then said 40 at speed and almost 0 at idle after warmed up, it also corrected my volt gauge being in the red most of the time. I got tired of farting around with it and installed a mechanical gauge. So with the factory and aftermarket OP gauge I see 40 max at speed and 0 at idle and on the other its 55 psi at speed and 20 at idle. Now the part you dont wanna hear. Id also ignor what I post because Im 99.9% sure its not your issue. I have a 89 Bronco with a 302. Drive/cruise unloaded at 55 and the O/P was low at 35 (engine was tired)hit the gas and it would shoot up about 10 psi. Let off the gas as It basically coasted down a couple mile long grade while commuting to work and the O/P would go up to 60 or so. I tested it with a manual gauge as well with the same results. The only logical conclusion we came to was the either the cam was walking forward or backward due to a worn thrust bearing or bottom end bearings were so loose the same was happening somehow causing the issue. The only thing we could figure out. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Oil Leak and Oil Pressure
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