After the Low/Reverse brake drum has been resurfaced and the brake band has been relined, the band may not hold during apply, causing a slip or no reverse. Sonnax offers two extended struts, 22900-10 and 22900-15, to address these problems.
|Guidelines for Resurfaced Drum with New or Relined Band|
|Resurfaced Drum O.D.||Strut Usage||Length longer than OE|
|6.185 – 6.200"||OE Strut||n/a|
|6.170 – 6.185"||Sonnax Extended Length Band Strut 22900-10||.100" Longer|
|Less than 6.170"||Sonnax Extended Length Band Strut 22900-15*||.150" Longer|
|*NOTE: If band will not apply with Sonnax strut 22900-15, drum must be replaced.|