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Old 06-06-18, 11:27 PM   #21
Hornet 6
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Originally Posted by M0GXB View Post
I am struggling with the problem as to why would someone fit a stupidly weak spring if that was not correct?
Chasing a low steady tick-over for shows, lots of that about.

Neil.
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Old 07-06-18, 02:44 PM   #22
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Well said that man...!!

As the saying goes, ' a faint heart never....( err well there are variations involving fair maidens or pigs....)

Just to illustrate further, my 13 plate Passat needed its cam belt changing....dealer quoted 600.... Including parts and the 'required tooling' I did it myself for 230.... And no cock ups....a subtle difference between the family car and a static engine....

Go for it... The learning experience us priceless...
I do hope thats not one of those engines that recommends both water pump and tensioners are renewed at the same time as a belt change.

Doing a belt on its own often leads to misery.
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Old 07-06-18, 03:00 PM   #23
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I do hope thats not one of those engines that recommends both water pump and tensioners are renewed at the same time as a belt change.

Doing a belt on its own often leads to misery.
I can assure you, a full belt kit inc water pump was installed, along with a new drive belt for the alternator/air con pump....the crank/cam and hp pump timing were checked several times.....
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Old 12-06-18, 05:03 PM   #24
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Returning to the topic, I have fixed it.

The problem was that the spring on my F15 was totally the wrong thing and so any indications by the previous owner that it worked was rubbish!

I have now sourced the correct spring and it is quite a strong thing, and very unlike its predecessor.
So much so that when fitted in the place of the previous spring the engine was running at 5000rpm. Fortunately there seem to be three possible places for the spring and I finally found that when on the inner-most hole on the arm, and with the screw near the end, it actually runs at the correct 2400rpm and works as expected.

So thanks again to all those who provided help (and thereby saved me wasting a huge lot of time dismantling the engine only to find the governor internals were fine).
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Old 12-06-18, 05:10 PM   #25
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And to the off-topic on cam belts, I would point about that the dealer and DIY prices are not comparable because the dealer price includes insurance for when the belt breaks and destroys your engine - so you get a new engine in that case, and in the DIY case you get a new cam belt.

I think plastic cam belts are evil.
Lucky the F15 doesn't seem to have one
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