An automated transmission assembly 4T60E Buick sedan. Users report: the usage of the vehicle identified no reverse equipment , checked that the transmission fault mild will not mild , there is certainly no fault code. Transmission fluid is then repeated assessment unveiled the liquid obd2 android scanner degree is not really adequate, and didn't find leakage position , the enhance reverse equipment oil recovery . But with a single month just after transmission and no reverse equipment , checked that the transmission fluid and clear fluid amount is just too minimal . Upkeep personnel is not any question why the oil spill point liquid degree usually hold her ? Following obtaining the car as a result of access to info which can be dependable for regulating the throttle is fitted with hydraulic vacuum regulator on the U.S. Typical Electrical Enterprise , hosted via the German Mercedes-Benz automatic transmission , hugely according to the vacuum regulator and manage valve , hydraulic transmission fluid situated beneath the floor . Then we uncovered the vacuum regulator during the motor vehicle, found which the vacuum regulator and vacuum hose through the engine inlet linked . Consequently, we analyzed that in case the regulator diaphragm rupture , a small load at idle and also a great diploma on the vacuum , the transmission fluid is sucked inside the inlet and to the combustion chamber is burned within the back again in the trachea thick white smoke will emerge , and also the engine load is more compact smoke much more concentrated . This is because the load is smaller , the lesser the opening diploma of your throttle valve , the vacuum will probably be greater, the more so as the suction autoboss v30 chamber of the transmission oil , plus the vacuum inlets substantial load diminished, the transmission oil is not really sucked inlet, there will be no white smoke exhaust pipe . Because at idle and reduced load may well also consider the white smoke once the motor is operating properly , that h2o vapor , so it really is uncomplicated to overlook the lack of expertise of the driver and mechanic.
Replacement from the vacuum regulator , operate several months right after the fault no longer reproduce. This is often far too reduced transmission fluid degree super vag k can 2.0 fault finally dominated out, but additionally that a fresh problem was positioned in front of us : once the transmission fluid degree significant more than enough, why the conventional forward gears , no reverse equipment it comes about?
The automatic transmission change clutches and brakes are connected and stuck by changing the corresponding sections to generally be achieved, and the perform of the hydraulic clutches and brakes ( line tension ) with the key oil pump is continually holding strain regulator , aid gets the principle oil tension . When the principal force regulator side on the forward equipment oil pump , while another side xtool ps300 car key programmer is stress as well as throttle stress regulator spring , the spring preload is pretty secure , to ensure that , in the event the principal hydraulic ahead gear principal hydraulic transform with throttle , the throttle opening degree , the upper line force ; at the exact throttle opening degree in the key hydraulic all forward gears are similar . The reverse gear moreover for the other facet from the most important regulator throttle force and exterior force regulator spring and also the hydraulic aspect from the enhance delivered with the handbook valve , therefore, at the exact same throttle opening of your main hydraulic drastically reverse gear greater compared to the forward speed with the key hydraulic , commonly on the similar throttle opening diploma on the most important reverse gear primary hydraulic oil stress from the forward selection is four situations.
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