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Chocolate Cams

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As the topic title suggests my Fabia has developed the common fault with the PD engines where the camshaft has worn along with the hydraulic lifters creating a tapping sound on idle.

I haven't taken the camshaft off yet to do a full inspection as this requires removing the cam belt but with the rocker cover removed I could see that lobe #1 & #4 are worn. My guess is that the wrong oil has been used at some point due to it having two services at an independant garage. My question is, will this wear on the camshft result in power loss? I ask this because I've had the car remapped (with a generic map from More-BHP) a few months ago and it's never felt like 170bhp, I guess the only way to tell would be a rolling road. I've owned the car just under 6 months and the previous owner said something about the tapping noise at the point of sale which turned out to be a great bargaining tool!

I will indefinitely have to change the camshaft and the hydraulic lifters (to the black coated ones) but, as previously mentioned, does this affect power?

Thanks in advance.

Mine felt a little bit more powerful after changing mine but not a big increase.

Well, it would cause power loss at some point depending on wear, as camshaft opens valves later and closes them earlier. But I'd be more worried about loose shrapnel flying around if the issue is not sorted out

I ask this because I've had the car remapped (with a generic map from More-BHP) a few months ago and it's never felt like 170bhp

When were your feelings last calibrated?

Seriously it's 30% on a reasonably heavy car, it's not going to set the world on fire or remove ladies under garments at 1000 yards. Put most people in my old car and due to the low ride height, free flowing (read loud) exhaust and engine 30cm's from your head and they'd swear it was a monster, it made all of 120bhp but weighed nothing. Feelings just aren't accurate.

0 - 60 in 4.5 smilies :rofl:

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Seriously it's 30% on a reasonably heavy car, it's not going to set the world on fire or remove ladies under garments at 1000 yards. Put most people in my old car and due to the low ride height, free flowing (read loud) exhaust and engine 30cm's from your head and they'd swear it was a monster, it made all of 120bhp but weighed nothing. Feelings just aren't accurate.

It's not the power I'm after, If there's a loss in power then that's effecting MPG as it's never been that great anyway. I know what you mean, they're heavy but I should be getting more that 40MPG :rofl:

I had 2 replace my cams when my head gasket went as they had worn through the lifters bad times it was

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I had 2 replace my cams when my head gasket went as they had worn through the lifters bad times it was

Sounds expensive!

Funny this (well not really)

But every1 bangs on about the pd150 engine suffers chocolate cam!

But all the pd engines have the exact same cam / buckets!

So im thinking they go first on the 150 as its pushing most power BUT all pd engines are effected

Sounds expensive!

The parts alone cost me (at trade price) about £350 ish

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