For a Mercedes ML350, what is the trick to remove the dashboard. I am trying to get to the AC Evaporator. I have removed all of the screws I see and the ones most documentation tells you to remove.
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Check the fuse box power distribution board for overheated or poor contact normally the fault is on the underside so involves removing and flipping over
It is located under the passenger seat. May have to loosen the pass front seat mounting screws and remove the two rear screws and lift the seat up at the rear about 3 inches to replace it. https://www.youtube.com/watch?v=o7hfpkJrfLo
On what? Front or rear? You will have to evacuate the AC system using a recovery machine. Most evaporator cores are labor intensive involving the entire dash assembly of the vehicle to be removed for access/replacement. Not a job for anyone who does not have mechanical experience in Ac repairs
Yes First remove glove box and lower hush panel the fan motor is in its own separate housing usually held on by 4 12mm nuts it is a trick to get it out from under the dash some times you have to remove the floor carpet.
Ok , I will try to guide you as simple as I can :
1- Remove the Heater / Cooler unit this is how :
* Disconnect Battery ground cable * Recover AC gas or empty it in open space * Drain radiator coolant only * Remove instrument panel for access * From under the hood disconnect AC pipes at the evaporator , by removing bolts , discarding O-Rings and make sure to install blanking plugs so that no dirt goes in. * Disconnect heater hoses from heater matrix pipes , by releasing the spring band clips and make sure to blank the pipes * From inside the car , remove driver footwell duct , by removing the screw and then removing the duct * Remove upper steering column lower fixing , nuts and bolts * Remove upper steering column upper fixings (Bolts) , and allow column to rest down o the floor * Cut cable tie which secures console harness to LH blower duct * Remove LH fan motor duct (screws) * Remove passenger side footwell vent (nut) * Cut cable tie securing console harness to RH blower duct. * Remove RH fan motor duct (screws) * Disconnect Heater/Cooler Connector * Disconnect drain tubes from Heater/cooler assembly * Disconnect A/CCM connectors * Remove evaporator pipe support bracket fixing. * Remove Heater/Cooler assembly fixing , by removing lower nut and upper nut * Remove tape securing RH rear footwell intermediate duct joint. Remove duct to clear access * Remove tape securing LH rear footwell duct * Remove Heater/Cooler assembly from car.
2- Remove AC control module
3- Remove evaporator pipe seal plate
4- Disconnect heater tempreture sensor
5- Remove footwell servo motor from heater/cooler unit
* Disconnect connector * Remove screws * Remove motor complete with bracket
6- Disconnect evaporator sensor connector
* Detach heater/cooler connector * Detach evaporator sensor connector * disconnect connector
7- By now you can see one upper and one lower case
* Remove heater/coolent unit upper case from lower case * Remove screw * Remove 15 clips * Remove upper case from lower
8- Remove evaporator from case
* Remove sensor and clip
You are done , make sure to replace all seals that you see to make sure that every thing is ok and you do not have any leaks after installation.
Installation :
Reverse order and after installing make sure to do a pressure test to make sure that there are no leaks
The easiest way to remove the radio from a 1997 Acura TL is from the front. Assuming you know your anti-theft radio code, disconnect the negative side of your battery. See the last paragraph if you have lost your anti-theft radio code. Next, remove the plastic wood trim from the dashboard surrounding the radio. To do this open the glove box, reach up inside and push out on one of clips holding the wood trim, as it comes loose grasp the trim from the front and carefully pull the trim until each clip unsnaps from the dash. The attached Heater/AC control panel above the radio comes off with the wood trim, so just unclip the 2 wire harnesses from the back and set trim panel aside. Next, using a phillips screw driver, remove the 4 screws holding the black plastic radio frame into the dash, then pull the radio forward to remove it. Disconnect the 2 wire harnesses and antenna cable from the back of the radio to complete the removal. If you are putting in a replacement radio, just loosen the two small bolts holding the radio on the back of the frame, and then slide the radio out of the frame.
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