mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Fuel Delivery and Air Induction|Fuel > < Fillpipe Restrictor|Description and Operation
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Fillpipe Restrictor: Testing and Inspection

 

Use a suitable dowel gauge to check restrictor opening [1].

 

Inspect for; tampering, broken flapper, excessive wear etc..

 

Remarks

 

[1]  N&W Manufacturing part number FRG-95, or equivalent, (must be made of non-sparking material, 1552 alloy suggested).

 

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Minimum tool diameter 0.9375"

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Maximum tool diameter 0.9500"

Fuel Delivery and Air Induction|Fuel > < Fillpipe Restrictor|Description and Operation