Those pesky primer pumps... I have a new one in the box waiting to be installed when I change my fuel filters in 5k miles. So do you just take a wrench and unscrew it and then screw the new one down? Thats what it looks like to me.

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1984 300SD Orient Red/ Palomino
1989 560SEC
2016 Mazda 6 6 speed manual
1995 Ford F-150 reg cab 4.9 5speed manual