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I assume you are refering to the firewall mounted high pressure filter. It is secured to the firewall via a bracket with two 6 mm studs. Use a 10mm socket to free the bracket from the firewall. Loosen the pinch bolt in the bracket. Disconnect the top and bottom hoses (I discarded the factory pinch type hose clamps and replaced them with worm gear type). It helps to wrap a rag around the bottom hose as the fuel may still be under pressure and will spray out. Please note that in 1989 Mazda had two styles of filters, you want the type with the to hose barb at 90 degreees to the filter body (G-K part number OF9046). Install the new filter into the bracket (note there is a raised rib on the filter body which 'keys' to a slot in the bracket). Tighten the pinch bolt just enough so the filter doesn't move up and down. Reconnect the top and bottom hoses and re-attach the bracket to the firewall. I did check in my factroy shop manual and there is a low pressure filter as part of the in-tank fuel pump and sender assembly. There was no listed procedure for replacing the low pressure filter, only a procedure to remove the pump/filter/sender assembly as follows: 1. Remove the rear seat bottom cushion 2. Disconnect the fuel pump connector 3. Remove the fuel pump cover (galvanized metal plate approximately 6" X 6") 4. Disconnect the main fuel and return hoses and plug them to prevent leakage. 5. Remove the fuel pump and tank gauge assembly. Cheers Malcolm
What else can I help you with?
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I have a 2000 Mazda protege. My fuel filter is in the gas tank and is not something you can replace. John B.
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its on the fire wall
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Replace the fuel filter.
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take out the flywheel and replace it with four banana peels, if this doesn't work take out the transmission and replace the fuel filter with a carton of milk.
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