Try changing LSD oil with Castrol Syntrax Limited Slip 75W 140, total cure for mine with same problem (judder under acceleration on corners only when hot after long drive ) Had unsuccessfully tried other synthetic diff oils.

Try this: Castrol Syntrax Limited Slip 75w-140.
It completely stopped the hot diff roundabout exit judder and is the only oil that works in my bongo.

Just rebuilt mine with this kit; - http://cgi.ebay.co.uk/Mazda-Bongo-Ford- ... 3cb0a8d133 very easy job, there was lots of rust under the dust seals forcing the rubber seal onto the piston. Re-painted calipers as well. Car now drives much better and has re-gained its lost mpg in the process (was 24 ...

Had similar problem with mine, cooling fan on all the time when warm, very difficult to bleed system and cold bottom hose. Changed thermostat first to no avail, then changed radiator fan switch, again no luck. The problem is that Bongos are VERY sensitive to the thermostat opening correctly; I have ...

I have a 4WD Bongo (owned 20 months). My father has a 2WD Freda (owned 18 months). As we quite often drive them in convoy, we have noted the following facts:-

• Traction at low speed (pulling away from wet junctions) the 2WD WILL wheel spin/skid at moderate throttle, while you can floor the 4WD ...

You probably have a limited slip diff (yellow label on casing). Try changing the diff oil - GL 6 required - available on ebay (Lucas oils 75/90 SYNTHETIC gear oil ,audi bmw alfa kia).It stopped the judder on mine after exhibiting the same symptoms as yours. It is not the auto box.
Andy