Customers always ask us what air suspension we carry. Even though D2 being one of a dozen choices, we always recommend getting one of the better choices like Air Lift. Because chances are, you are less likely to waste time and money on quality parts that would work right out of the box. This customer brought in his own sets of D2 Racing air suspension that he got "sponsored" at a discount rate for us to install. Upon install, we ran into several issues with passenger front not able to lift on it's own and pressure reading incorrectly. Obviously for safety aspects, if you don't know the correct current pressure in the air struct, it would be extremely dangerous to drive on the street as one side could be all the way slammed without knowing. For performance aspects, it would make absolute zero sense to not able to lift one side on it's own as the weight of the car is fairly distributed from left and right. We also found an air leak in the fittings on the strut straight from manufacturer D2 that would require the removal of top hat to reseal the fitting.

Several of our staffs called D2 in attempt to resolve the issue for our mutual customer, however, the customer service was horrendous to begin with. The D2 rep was rude to all of our staffs as we were trying to troubleshoot the issues with them over the phone for our customer. One of notable things D2 suggest us was to TAP on the distribution block before the tank was filled with air as the solenoids could be stuck and causing bag to not lift erratically...think about it. How would you depend on a system that you would have to tap and expect it would work before filling up air? At what point would tapping be enough? And what happens if the distribution block was hidden inside of the vehicle and how would customers able to access it regularly...

Since the issue was persistent on passenger front right, we checked the line, swapped the line left and right, exchanged for a new line, still the problem persisted on that side only. We even had to open up the distribution block and swapped the solenoids inside as some people had to do it to grease inside from the factory in order for it to work properly. Swapped the pressure sensors and tested all pressure sensors with multi-meter all getting the same result. Then we swapped the front struts to see if problem followed but it stayed in the front passenger side. We even looked into front right suspension to see if anything is binding to prevent the bag to properly inflate on its own since that side was hit in the accident which totaled the car and found a lower control arm bushing that needed replacing. We replaced the lower control arm to see if it helped with the bag situation and unfortunately no. At this point, we already spent countless hours to troubleshoot the problem and exhausted all of our options. We suggested the customers to send back part of the kit for inspection and replacement. Customer insisted on putting the his original BC Racing coilover back on at his discretion so he could have the car back to drive as he could not go on without a car.

In the beginning, D2 rep was highly unwilling to accept returns and guaranteed that it would be working if tested on their bench. After items were sent back, customer was told one of the pressure sensors were defective and needed calibration. We highly doubt it was the only issue cause we had swapped pressure sensors to different side and problem persisted in passenger front as well as testing it with multi-meter.

To sum this up, we cannot recommend this setup to anyone knowing several things can go wrong out of the box. That issues could rise randomly or immediately while you are driving. The damage could be as little as a bent fender, or completely wrecked vehicle. At Valiants, we do our best to accommodate customer in terms of pricing, scheduling and etc. There are things that are out of our control such as working with less than ideal or defective parts to begin with.

Things to think about:
In the end, you get what you pay for. No shop is responsible on labor spent on installing and diagnosing a manufacturer defective part. The definition of getting "sponsored" whether you are truly sponsored or just getting some seasonal discount over some inferior defects.