rlegg911 Posted February 18, 2009 Report Share Posted February 18, 2009 Hi all, new here. I own a 2000 Deville, northstar of course, bought with 65,000 miles on it. Burned 4 quarts of oil in frst 3,000 miles. Lithia motors replaced with new rebuilt motor from Jasper Engines, bill was $6,500.00, no cost to me. Now we have developed a lower end knock at 77,000 miles, Jasper is sending another new rebuilt motor, again at no charge to me. Just the other day, service engine soon light came on, code is PO741, local caddy dealer says bring it in, will cost around $2,200.00 to fix. I am told the tranny is the problem, torque converter lockup or something. Love the car, but this thing is killin' me, engine twice and tranny now too? Are the caddy people jerkin' me around or what? I'm told it is about $850.00 in parts to fix the tranny, the other $ 1,400.00 must be labor? WTF? any thoughts? Thanks, Nodak Link to comment Share on other sites More sharing options...
Ranger Posted February 18, 2009 Report Share Posted February 18, 2009 P0741 is the TCC solenoid as you where told. It is known as the $20 part, buried $2000 deep in the trans. The good news is that you can live with it. The TCC solenoid locks the trans to the engine at 41 MPH so there is no slippage. With it not engaging, you will have some minor slippage (100 - 200 RPM) just like automatic transmissions of days gone by. Thus you will loose about 1 MPG. At that rate it will take you a long time to make up the difference. If you need an emission test you will not pass with that light on and that code set, but there is a way around that. Clear the codes and drive only in 3rd for about a week before the test. The TCC does not engage in 3rd so the code will not be set. Link to comment Share on other sites More sharing options...
BodybyFisher Posted February 18, 2009 Report Share Posted February 18, 2009 This problem could be taken care of while the engine is out very very easily. This could be the TCC solenoid or the torque converter.. Piece of cake while the carriage is down 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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