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  1. 03-20-2016 03:21 PM #1
    IKE20VA4
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    125k mi on Cam Follower, 1st time changing, what comes next will blow your mind...

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    I thought I would pull the HPFP off to see nothing but carnage. Not the case... I'm 2nd owner since 60k miles. Never changed it until today. The job itself wasn't actually that bad. Everyone makes that banjo bolt out to be the devil, but with the right extension, it isn't bad. Not sure about the piston head on the HPFP though? Does that look OK? Maybe time for an upgrade kit to replace that?
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  2. 03-20-2016 04:26 PM #2
    Okedokey
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    Looks a bit knackered to me... scoring
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  3. 03-20-2016 04:32 PM #3
    martin0079
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    If I was to guess based on the condition of the tip of that HPFP the cam follower wore through on the previous owner and he just tossed another follower in. Your may want to spin the engine and check the three highs on the cam not just the one low.

    Or it maybe that your follower is not spinning like it is supposed to which is why you have the drag marks on the sides of the two holes across from each other and same thing you will want to check the cam highs.
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  4. 03-20-2016 05:26 PM #4
    IKE20VA4
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    Quote Originally Posted by martin0079 View Post
    Your may want to spin the engine and check the three highs on the cam not just the one low.

    Or it maybe that your follower is not spinning like it is supposed to which is why you have the drag marks on the sides of the two holes across from each other and same thing you will want to check the cam highs.
    Confused by "check the cam highs"? Forgive me but I have not the slightest what you are referring to there!
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  5. 03-20-2016 05:54 PM #5
    Okedokey
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    Cams by definition are not circular, they have relative lobes, high, low, high, low etc to activate the HPFP piston. The photo is a low point on the cam lobe, if you turn the engine over manually it will show you higher spots where the wear might be more significant.
    A4 B7 2.0T | HPFP upgrade + FMIC | BSR Stage II + exhaust + HFC | 3.0TFSI Throt. Body | RS4 fuel contr., PRV + S3 inj., G247 + DW300c | GFB DV+| 034 RSB + all arms and mounts | S4 brakes | B12 Bilstein suspension + H&R springs | RNS-E + Polk Audio PA D5000.5 - 4 x DB6502 + DB840DVC sub + Pioneer 10" sub | LEDs throughout | 19" Audi 2015 RS4 rims

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  6. 03-20-2016 06:08 PM #6
    Ashtonts
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    Quote Originally Posted by Okedokey View Post
    Cams by definition are not circular, they have relative lobes, high, low, high, low etc to activate the HPFP piston. The photo is a low point on the cam lobe, if you turn the engine over manually it will show you higher spots where the wear might be more significant.
    How does one go about doing this?
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  7. 03-20-2016 06:22 PM #7
    viziers
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    The HPFP is fine...


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  8. 03-20-2016 07:07 PM #8
    martin0079
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    Quote Originally Posted by Ashtonts View Post
    How does one go about doing this?
    Crank 19mm 12 point bolt. Since you're in CT I can help if you're confused.
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  9. 03-20-2016 07:18 PM #9
    Schweini
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    Your click bait facebook esque topic title totally worked on me
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  10. 03-20-2016 07:37 PM #10
    IKE20VA4
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    Quote Originally Posted by Schweini View Post
    Your click bait facebook esque topic title totally worked on me
    I'm glad somebody caught that's what was going on there. LOL

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  12. 03-20-2016 07:43 PM #11
    Schweini
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    Quote Originally Posted by IKE20VA4 View Post
    I'm glad somebody caught that's what was going on there. LOL

    Lmao

    And anyone who references La Forge is A ok in my books
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  13. 03-21-2016 06:42 PM #12
    slappomatt
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    Gain 125BHP with this one weird trick
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  14. 03-21-2016 08:42 PM #13
    Okedokey
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    ^ um... its not 2008 anymore
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  15. 03-21-2016 10:09 PM #14
    Theiceman
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    mind not blown.. oh well maybe next time..
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  16. 03-22-2016 07:52 AM #15
    Brillo
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    It's hard to tell how much wear is on the follower because the pictures are so bad, the lighting that is. It looks like it's about to fail though by the looks of that V-shaped crack on the top surface. You are either very lucky or the first owner, if not you, did change it and the present owner is unaware of it. The top of the HPFP piston looks OK though so I don't think there was ever a wear through on this particular pump.
    The pump cam has three lobes on it. [B]Martin0079[/B is suggesting that you check all three lobes, not just the one you show in the photo. You may have done this and the photo is representative of the other two lobes.
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  17. 03-22-2016 09:10 AM #16
    blackbowtie
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    I monitored mine @ 10k mile intervals since I bought the car with 60k. I changed mine out @ 103k a couple weeks ago simply for peace of mind and it looks drastically better than this. Mild scoring, but no cupping at all. I'm still dumbfounded by it. I have the entire service history before I bought the vehicle and the fuel pump was never touched on it. I'll post a pic of it when i get home this evening.
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  18. 03-22-2016 05:24 PM #17
    blackbowtie
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    And here it is...
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  19. 03-22-2016 07:47 PM #18
    nross33
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    Clickbait lol
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  20. 03-22-2016 10:00 PM #19
    IKE20VA4
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    Quote Originally Posted by nross33 View Post
    Clickbait lol
    Muahahaha. It has made for some good discussion though! You have to admit that!


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  21. 03-24-2016 08:43 AM #20
    nross33
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    Quote Originally Posted by IKE20VA4 View Post
    Muahahaha. It has made for some good discussion though! You have to admit that!


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    Ya, honestly the click bait titles are sometimes creative and entertaining lol. Yes very good discussion though lol.
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  23. 03-24-2016 09:46 AM #21
    IKE20VA4
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    Yeah I had no clue about the "high" and "low" cam lobes... And I thought mine looked good. But apparently it was just OK. I don't think I'll own her long enough to change it again.


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  24. 03-24-2016 11:30 AM #22
    supple
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    Quote Originally Posted by IKE20VA4 View Post
    Yeah I had no clue about the "high" and "low" cam lobes... And I thought mine looked good. But apparently it was just OK. I don't think I'll own her long enough to change it again.


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    The lobe is really a triangle shape with rounded corners. Those corners and flats are the "highs" and "lows."
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  25. 03-24-2016 12:31 PM #23
    Theiceman
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    Quote Originally Posted by IKE20VA4 View Post
    Yeah I had no clue about the "high" and "low" cam lobes... And I thought mine looked good. But apparently it was just OK. I don't think I'll own her long enough to change it again.


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    why ? are you not happy with the car ?
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  26. 03-24-2016 02:33 PM #24
    IKE20VA4
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    Quote Originally Posted by Theiceman View Post
    why ? are you not happy with the car ?
    It's just getting to be one of those "what's next sort of things when it comes to repairs". I keep thinking that there's not much left to go wrong but the engine. But I keep being proven wrong.


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