Yesterday while running the Backdraft, it started to act like the gears were slipping. My first thought was the spur gear was stripped due to a gear mesh issue (this was before Ieven took the body off), because of afew that have reported on here some mesh issues. But after taking the body off, the pinion and spur gears looked good. There was definitely something slipping and making a metal on metal clicking noise. With the body off and car off the ground, Ihit the throttle to watch the motor turn the spur gear. They were turning fine, but the slipping, metal to metal clicking noise, was there and the diff gears were not fullyengaging.

I knew it was time to take the diff's apart to inspect. But, both set's of diff's looked great (except for the lubrication-some in rear, none in front). I inspected the spur gear housing and the motor pinion gear.All looked good.

I put everything back together and gave it a test run. The problem was still there for a minute or 2. Then, it's like something clicked and the gears started engaging again and everything was back to normal...

What am I missing here?Slipper clutch?What else can Iinspect?

-Chizz