Ballard wrote:Thanks, didn't know that.
A bit of searching confirms the racks on the 90-92 cars can be run on hmo or dexron. So the change may well be indicative of nothing.
Can anyone confirm interchangeability of racks between model years? Have read conflicting advice. Anyone changed them over themselves?
They do fit. They are one of the very few parts that actually fit all model years
would you believe it. When nearly every other part changes.
I have personally removed at least 2x ZF racks that were successfully fitted on battery under bonnet models/ 90-92.
If you look at 86-89 3.6/2.9 models, those used DII on the Power steering. But those had separate reservoirs for the brake boosting hydraulics and power steering. They used the same Adwest racks.
On 90-92MY- The only reason the PS reservoir “insists” that only HSMO can be used, is for uniformity across the specs, encompassing the models with SLS optioned/ factory fitted. HSMO is only necessary for operating SLS.