The transmission shifts late when cold, it sometimes takes 5 minuets to get into high. Will putting new gaskets in the kick-down servo fix this or do I need to be looking at the valve body. Or what else? I have to take it out because of a fluid leak at the front seal.
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Re: 1994 caravan 3-speed tran. 3.0 engine
You have a problem in the direct drum,also known as the front drum,or 3rd gear drum.The most common problem in that drum is the inner rubber lip seal shrinks and hardens and doesnt seal well.Alot of times it burns the clutches in the process,so i would advise just going ahead and rebuilding the entire trans,because if you just patch repair that drum,then next month it will be the other drum failing,and,and..Parts list,670 trans:Banner overhaul kit with steels.Filter.Bushing kit.Thrust washer kit.Remanufactured torque convertor.Look at the planetaries very closely too because they are bad about wearing excessively,and have seen some very bad low gear planet failures..
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Question when they change tran did they rea use old sensor there is a tiss and toss input out put for trans one control mph u will see on here about no mph reading well now u know and one control selection range. For rpm and tran gearing only for tran. Dose it down shift when hot or cold The 2 sensor are buy tran Line there white one should be one 3 wire and one 2 wires. If they are from frost trans I would get new one. There about 25 dollers a peace Now the voltage could be a back feed from ground. Check ground wire from firewall to engine. Make sure it a good conection and not rotted most of car and van problem are from bad ground they back feed from computer to sensor most hand scan tool will not tell u that a ground wire is broken
First off, have you changed your trans fluid lately. sounds like you need a trans flush. when you drop the trans pan and replace the filter and fluid you only get 3 to 4 quarts of transfluid. your trans holdt 12 to 15 quarts. so have it flushed completely cost $80 tp $120 but beats buying a new or rebuilt trans. always make sure you have the right amount of trans fluid. underfilling will cause lose of pressure and not shift properly. over filling a trans will cause over pressure and cause worse problems.
is it slipping,? if the rpms rise and car dont speed up , in direct proportions that is slip. is it? if the engine has full power in 1st, the the transmission is bad.
not sure what shift manually means, Drive to low? low to high. what? be exact in statements/ better stated what it does good and bad, and when. all modes. are you saying the trans shirts perfectly in AUTOMATIC when cold./?
Try using a chemical flush and follow the instructions on the container. Try changing the trans filter and gasket. This is the cheapest thing to try first since the vehicle is still running. If it continues, Iwould try to find a trusted transmission shop in your area (who may also do free diagnosis) and get there opinion sisnce they will be able to see, feel, smell, and use diagnostic equipment.
USUALLY A SHIFT SOLENOID DTC IS REPAIRED BY REPLACING THE TRANS SOLENOID PACK ASSEMBLY..LOCATED ON OUTSIDE OF TRANSMISSION..YOU MUST BE CAREFUL WHEN CHANGING PACK..CLEAN ALL DIRT/DEBRIS FROM OUTSIDE OF PACK..YOU DON'T WANT ANY DIRT TO ENTER TRANSMISSION..SOLENOID IS A SMALL BOX LOCATED ON SIDE OF TRANS FACING FRONT OF VEHICLE..YOU MUST REMOVE TRANS COOLER LINE HOSES FROM FITTINGS ON TRANS..REMOVE INPUT SPEED SENSOR..UNPLUG PACK..8MM SCREW HOLDS IT..3 BOLTS HOLD PACK TO TRANS..YOU MUST CLEAN ALL GASKET RESIDUE THOROUGHLY BEFORE INSTALLING PACK..I'D RECOMMEND GETTING SOMEONE WHO HAS DONE THIS BEFORE IF YOU ARE NOT COMFORTABLE DOING THIS..I HOPE THIS HELPS
Caravans are known for transmission failures. Sometimes it's just a speed sensor or computer problem, but most of the time you need a rebuilt trans. Don't fall for the trans flush might fix it story. On older or high miles trannies, flushing can cause more problems than it solves. Find a good trans shop not just your regular garage and have them take a look. If you do need a rebuilt trans look up engine and trans rebuilding shops in the yellow pages or google. Buy it directly and save a lot of money. If you regular garage won't install it for you then find an independent mechanic that will (some garages won't let your bring in your own parts because they lose all the money they make by marking up the cost of parts).
po700 is transmission, If getting po1776 Solenoid Valve Switch. The Transmission Solenoid Pack needs to be replaced. This is on the top of the trans in the front, just below the lines & input speed sensor. $180 part # 5140429AA with gasket. 90% of 41te trans problems are with this ******, Gasket leaking $3 part at dealer. This can be done by any home mech