How to test a brake servo (when off car) Post Posted 23 June 2018, 8:52 PM #1601921 (In Topic #218038) shepp Settled In Deciding to paint or have rebuilt?? HiWanted to see if any one knows how to test a Mk1 gti brake servo. I have to make my mind up to just spray it or to have it rebuilt at a cost of £200!Any help would be great, thanksDan 0 guests and 0 members have just viewed this: None. Forum home Running Gear