Do Tappets need to be replaced on an ISX 12 2250 fuel pump?

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Do Tappets need to be replaced on an ISX 12 2250 fuel pump?

10-30-2022, (Subject: Do Tappets need to be replaced on an ISX 12 2250 fuel pump? )

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tree98 Offline

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RE: Do Tappets need to be replaced on an ISX 12 2250 fuel pump?

(10-29-2022 )Redland1 Wrote: Wondering if the ISX 12 has the ceramic tappets like the ISX 15’s?

It's not just the ceramic plungers you have to worry about, the steel ones fail too. They must be replaced every 400K mi. regardless of what they are made out of.

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Messages In This Thread

Do Tappets need to be replaced on an ISX 12 2250 fuel pump? - Redland1 - 10-29-2022,

RE: Do Tappets need to be replaced on an ISX 12 2250 fuel pump? - Redland1 - 10-29-2022,

RE: Do Tappets need to be replaced on an ISX 12 2250 fuel pump? - hhow55 - 10-29-2022,

RE: Do Tappets need to be replaced on an ISX 12 2250 fuel pump? - tree98 - 10-30-2022

RE: Do Tappets need to be replaced on an ISX 12 2250 fuel pump? - Redland1 - 10-30-2022,

RE: Do Tappets need to be replaced on an ISX 12 2250 fuel pump? - tree98 - 10-30-2022,

RE: Do Tappets need to be replaced on an ISX 12 2250 fuel pump? - Mr Hagg - 10-31-2022,

RE: Do Tappets need to be replaced on an ISX 12 2250 fuel pump? - Redland1 - 10-31-2022,

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