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Exhaust gas sensor service kit, M20/M22 22 pieces
For cleaning and renewing the NOx particle sensor threads in the exhaust system without replacing expensive exhaust components
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- No tedious removal of the often hard-to-reach and stuck sensors
- No costly replacement of parts of the exhaust system because, for example, the mount thread cannot be reused in most cases
- Scope of delivery
Cutting/cleaning threads
- 1x stubby screw tap M20 x 1.5/length 50 mm
- 1x stubby screw tap M22 x 1.5/length 50 mm
- 1x stubby screw tap M24 x 1.0/length 52 mm
- 1 x stubby screw tap M26 x 1.0/length 52 mm
Removing the old thread
- 1x expander pilot for M20 x 1.5
- 1x expander pilot for M22 x 1.5
- 1x 5 mm socket with hexagon socket
- 1x tool holder for annular cutters with set screw DIN 913, M10 x 8
- 1x carbide annular cutter, dia. 23 mm
- 1x carbide annular cutter, dia. 25 mm
- 1x drilling aid M20 x 1.5
- 1x drilling aid M22 x 1.5
Cutting a new thread
- 1x setting mandrel with draw-off nut for threaded bushings M20 x 1.5, 2 pieces
- 3x thread insert IT M20x1.5/ET M24x1
- 1x setting mandrel with draw-off nut for threaded bushings M22 x 1.5, 2 pieces
- 3x thread insert IT M22 x 1.5/ET M26 x 1
Universally applicable in passenger cars, SUVs, vans and trucks (with a high emission standard e.g. Euro 6) in which large NOx and particle sensors with AF 22 and AF 24 hexagon drives are installed
- Removal of the sensor using optional Würth special tools
- Extra short thread cutter with hexagon drive and guide clean dirty threads even in hard-to-reach areas
- Using the thread renewal tools, the old, damaged thread is removed, a new oversized thread is cut and then a reducing thread insert is fitted
- The result is a new, resilient mount for the original sensor
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