BodybyFisher Posted February 19, 2020 Report Share Posted February 19, 2020 Here are a few scans. Quote Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
Kingcadillac Posted February 20, 2020 Report Share Posted February 20, 2020 Anything about high line pressure? This is what i get just idling... Quote Link to comment Share on other sites More sharing options...
BodybyFisher Posted February 20, 2020 Report Share Posted February 20, 2020 Let me go to the library tonight, I printed the pressures but when I got home, the sheets were not with the prints, the library has a central location stuff is printed to and it must have gotten lost, be back later. Quote Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
Kingcadillac Posted February 21, 2020 Report Share Posted February 21, 2020 You those psi numbers ? Would that be high or low ... idk if its suppose to be zero and blue like that one or what but anytime somethings wrong on my obd its red i juss dont know why i get those numbers idling... my guess is secondary pump something is broke ..or channel plate warped or pcs Quote Link to comment Share on other sites More sharing options...
BodybyFisher Posted February 21, 2020 Report Share Posted February 21, 2020 Here are line pressures, whine noise cause and low pressure cause. Quote Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
BodybyFisher Posted February 21, 2020 Report Share Posted February 21, 2020 You need to check pressures with a gauge The 0 psi for 2GR/TCC or torque converter clutch is odd when you look at 91 on 3GR/TCC. I found my 4T80E manual by accident today Ill look at pressures. I don't think this is electrical Quote Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
Kingcadillac Posted February 21, 2020 Report Share Posted February 21, 2020 No deff not electrical. And i already got everything off and taken apart and radiator out to drop motor and trans . Im juss gonna open up the side case and inspect the pump system Quote Link to comment Share on other sites More sharing options...
BodybyFisher Posted February 21, 2020 Report Share Posted February 21, 2020 Check the channel plates closely for blown out gasket material I found this doing my ISS speed sensor. Quote Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
Kingcadillac Posted February 21, 2020 Report Share Posted February 21, 2020 No deff not electrical. And i already got everything off and taken apart and radiator out to drop motor and trans . Im juss gonna open up the side case and inspect the pump system . And i replaced the bonded gasket on the lower valve body but thats the only gasket i replaced still gotts drop the trans and open it Quote Link to comment Share on other sites More sharing options...
BodybyFisher Posted February 21, 2020 Report Share Posted February 21, 2020 I didnt find any pressure info in this manual, Ill check the 96 service manual, I know its not a 06 manual but I want to see if I can identify the pressures you posted above Quote Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
Kingcadillac Posted February 21, 2020 Report Share Posted February 21, 2020 No deff not electrical. And i already got everything off and taken apart and radiator out to drop motor and trans . Im juss gonna open up the side case and inspect the pump system . And i replaced the bonded gasket on the lower valve body but thats the only gasket i replaced still gotts drop the trans and open it. But cant do a pressure test now cuz its not startable rn Quote Link to comment Share on other sites More sharing options...
BodybyFisher Posted February 21, 2020 Report Share Posted February 21, 2020 I know, I am concerned about the 0 psi pressure above and whether that means anything Quote Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
Kingcadillac Posted February 21, 2020 Report Share Posted February 21, 2020 Yea idk because in park idling they should all be 0 and than change as i go through gears right ? Normally on my obd when somethings normal its blue its the red thats throwin it off Quote Link to comment Share on other sites More sharing options...
BodybyFisher Posted February 21, 2020 Report Share Posted February 21, 2020 Ok I found something, these adaptive pressures should be zero or close to it when the tranny is new. These are adaptive pressures used to offset slip, if slip or worn part is detected, the pressure is increased to stop the slip. Quote Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
BodybyFisher Posted February 21, 2020 Report Share Posted February 21, 2020 You got those pressures on a lift correct? Was the battery ever disconnected before you obtained those pressures?, I am trying to determine if these pressures were 'set' from driving the car or from when you had it on the lift. As you can imagine if these adaptive pressures came from when the car was on the lift, how trying to drive the car on the road would induce slip, those pressures would have pinned at 127 psi Did you read the description of WHINE above?, the whine can determine pump issues, based on how it whines. There is a filter after the pressure solenoid that you need to inspect. Quote Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
Kingcadillac Posted February 21, 2020 Report Share Posted February 21, 2020 The little filter that goes on ghe end of the solenoid or the main big one. Never had my car on a lift Quote Link to comment Share on other sites More sharing options...
Kingcadillac Posted February 21, 2020 Report Share Posted February 21, 2020 23 minutes ago, BodybyFisher said: Ok I found something, these adaptive pressures should be zero or close to it when the tranny is new. These are adaptive pressures used to offset slip, if slip or worn part is detected, the pressure is increased to stop the slip. So this means what exactly my tranny is slippin ? Because of somethin right im going to inspect the solenoid and pump hopefully a repair will fix it . Quote Link to comment Share on other sites More sharing options...
BodybyFisher Posted February 21, 2020 Report Share Posted February 21, 2020 I think this confirms you are skipping. When you disconnect the battery, these adaptive pressures return to zero. So the question is, did these set on the lift or while you were trying to drive the car. Regardless, you are slipping, though. Can you describe the whine, did it vary with RPM? Quote Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
Kingcadillac Posted February 21, 2020 Report Share Posted February 21, 2020 Ive had the battery disconnected multiples times. The whine is as soon as i start the car and its there right in the side case and yes it matches the rpms. Last time i had the car runnin it whined in park stopped in reverse and whined again in drive. That was a first cuz normally it juss whined until i turnee the car off Quote Link to comment Share on other sites More sharing options...
BodybyFisher Posted February 21, 2020 Report Share Posted February 21, 2020 Then as you saw varying with rpm is related to the pump system. Keep in mind that the pump might be good, but, filters are clogged eith debris leading to the pump starving it You can disconnect the axles and left strut and drop and tilt the carriage to the left, disconnect the steering shaft (one bolt) so as not to bend it Use 4 long 'all threads' in the 4 carriage bolt holes and use washers and nuts to drop it down, I think they are M11 or M12, but I forget., check. The all threads should be about 12 to 18 inches long. Quote Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
Kingcadillac Posted February 21, 2020 Report Share Posted February 21, 2020 I replaced both bottom filters butnot the main one. And ok thanks Quote Link to comment Share on other sites More sharing options...
BodybyFisher Posted February 21, 2020 Report Share Posted February 21, 2020 I actually don't mean those filters, I mean the strainers that are little tiny wire cones usually that are after things like the pressure solenoid motor. I will look around, for strainers or pathways that can starve the pump and cause it to cavitate. This photo was from when I got into my side pan to change my Input Speed Sensor (ISS), you see the all threads, into the carriage bolt holes, by backing down the nuts (while making sure you aren't backing out the all thread, you can slowly and in control drop the carriage. Notice that the car is held up by good jack stands. BE CAREFUL and SAFE. I disconnected the exhaust system before the CAT also. Quote Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
BodybyFisher Posted February 21, 2020 Report Share Posted February 21, 2020 Here are some photos of what it looks like underneath the side pan. Quote Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
Kingcadillac Posted February 21, 2020 Report Share Posted February 21, 2020 How exactlt do i do the tilt drop? Do i still need to suppirt the motor? And what are those things underneath where the subframe bolts are Quote Link to comment Share on other sites More sharing options...
BodybyFisher Posted February 23, 2020 Report Share Posted February 23, 2020 Here is my ISS speed sensor thread, from when I tilted my carriage to get into the side pan. My screen name back then was Scotty. There are other side pan threads ill link to. Quote Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
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