I'm looking to purchsse an 07 4wd sequoia . The air suspension isn't working and basically my question is whether this is something only necessary to level the rear for towing or is it essential for the suspeneion . In other words if I'm not going to be towing do I need to repair it .
07 Ltd 4wd air suspension question
- Thread starter frankiev
- Start date
Yes you need to repair it, it is the rear suspension. Usually the coils leak. You can replace the bags or do a conversion. Both options here https://suncoreindustries.com/produ...ID=1035&YearID=2007&Make=TOYOTA&Model=SEQUOIA
Actually the truck sits level and seems to ride fine . Could it be that bags are ok but it just won't adjust. It was flagged as a rebuilt title because of a flood in 2012 so I'm wondering if the switch might just be bad . I'm picking it up on Friday do ill know more then but any advice appreciated
The air suspension works on a sensor switch attached from frame to axle. It has 3 preset levels, low, normal, high. You can adjust manually within those settings or just select between the 3. Once you go over a certain mph, it goes back to the normal setting. When you say it doesn't work, I need more details. If the bags aren't inflated you'd know it. It would be sitting on the bump stops. If you put a load on the axle, it will auto level back to the normal level. If that isn't working then it could be the sensor that isn't working. You can find out by pressing the buttons on the middle console and see if it inflates/deflates.
Haven't seen one, but its extremely easy. Jack up the truck by the Frame letting the axle drop, disco lower shock bolt, Disco the air line at the junction on the frame. Pull the bag, there is a clip on top that will pop off if you pull hard enough, and then install the isolator and spring. Remove the fuse for the air compressor.
As previously linked at the beginning of the thread, you need the replacement coils and isolator. Suncore and dobinson make a set. Here's dobinson link https://forum.ih8mud.com/threads/dobinsons-suspension-options-for-sequoia-01-07-and-08.1086139/