|
Actually, just to add to that. I cracked the cam cover off the day the noise had started, and everything is seemingly OK. No scoring on the cams etc.
|
|
|
very bad....
always change the oil with a major activity like this
what about bits u may have dropped..like parts of head gasket,,,solidified gasket compound,,dirt and dust,,gism off hands..
etc etc
and u should have used new oil to prime the tappets....which should have been changed anyway while u were there with the milage that the car has done..
--
www.storme.co.uk
|
|
Always replace the full set of tappets, false economy to do just one. From memory I would say a few hours but I didn't do mine in one go, the car was out of action for a few weeks whilst other work was going on.
|
|
I'm baffled about how you can change a head gasket (I know you had help) yet have booked the car into a garage for oil & water changes?
|
Thanks Xileno, that was just the answer I was after. With over 110k on the clock, they were starting to get a little rattley anyway (but one of them likes to make itself heard).
So about 3 hours labour (@£24 an hour) plus 8 tappets (@ about £8 each) with £20 for bits and bobs like seals, makes about £180 with the VAT.
It all seems pretty easy to get at, and the garage is a VW specialist, so they?ll have seen it all before.
?and u should have used new oil to prime the tappets....which should have been changed anyway while u were there with the milage that the car has done..?
Maybe we would have, but getting a hold of the gasket alone was hard enough on a Sunday afternoon, let alone trying to get a set of tappets (we needed to be home by Monday morning, see: www.honestjohn.co.uk/forum/post/index.htm?t=39203&...f)
?I'm baffled about how you can change a head gasket (I know you had help) yet have booked the car into a garage for oil & water changes?
Yeah, I can see why your confused (and no doubt the garage is too) but the HG was replaced at my uncles. Back here at home I don?t have the tools and equipment to do it (they?re all in storage while the garage is extended). For the same reason (garage) I don?t have anywhere ideal to change it. I could do it at the roadside but its cold, blowing a gale and is still raining here in the North East, so its more convenient if I let them do it. I?m not actually the kind of person how tinkers or services my cars, I always prefer the garage to do it. As far as the HG was concerned it was a case of ?needs must when the devil drives?!
Thanks again people
|
usually a case of one tappet goes they all need replacing,not certain of Polo changing times/difficulty in changing-but ford cvh could be changed in less than 1/2 hour working at leisure
yours may be different?
--
Steve
|
|
Hydraulic tappet rattle is a common complaint with mx5's - cold starting for a few seconds. Usual suggested fix is to run the engine for 15 mins with some oil flush treatment added, replace the filter with an OEM one with a known good anti-drain valve and fill up with decent oil. Worked a treat for me
|
sorry robertson,,i didnt read the whole post !!!!
but ,yes i would change all the tappets and use new oil and filter :)
--
www.storme.co.uk
|
Hello again people.
"usually a case of one tappet goes they all need replacing,not certain of Polo changing times/difficulty in changing-but ford cvh could be changed in less than 1/2 hour working at leisure. yours may be different"
It doesn't look too difficult, but its not a half hour job :-( I'm going to delay the coolant change though. To change the tappets (once the cam cover, cam belt cover, dizzy and cam sprocket is removed) the inner timing belt cover can only be removed by removing the water pump (thus the coolant needs draining). The inner cover needs to removed so a new camshaft oil seal can be installed. Other than that, it looks easy for an experienced garage.
Hydraulic tappet rattle is a common complaint with mx5's - cold starting for a few seconds. Usual suggested fix is to run the engine for 15 mins with some oil flush treatment added, replace the filter with an OEM one with a known good anti-drain valve and fill up with decent oil. Worked a treat for me
I'm a bit weary of oil flushes, don't know why. Thing is, its more than a rattle (a heavy tapping) and takes more than a few seconds to clear (depending on how long its sat un-used) so I think its beyond an oil flush, but I stand to be corrected. Also, from what I?m learning off the BR, its high time to change them anyway. I always use OEM filters and change the oil annually (6000-7000 miles). I might ask about oil flushes at the garage and see what they say (I trust them)
yes i would change all the tappets and use new oil and filter :)
New oil and filter is being done without delay, even though its probably going to be drained and replaced if/when the tappets are changed. It may help, but I think that noisy tappet is beyond help, its finished.
I feel the garage wont be able to do anything about the tappets on Tuesday, apart from confirming that it IS those. In which case I?ll have to re-book it in, which is probably another week off the road as I?m not too keen on using it, even though its runs better than ever once that knocking tappet has shut up!
|
UPDATE!
Looks like this saga is about to draw to a close (but lets not speak too soon shall we!)
Dropped the car off this morning at the garage where the oil, oil filter and antifreeze change had been booked. I enquired about having the tappets changed, and was expecting the usual garage sharp intake of breath. But instead, got the reply "yeah, we can have a look. Depends on parts though" and it was promptly noted down on the job sheet.
Returned at 4:30 (expecting them not to have had time because I hadn't initially booked it in for such major work) and everything was ready, tappets changed, everything. Total bill Inc VAT, parts and labour £172. Not bad if you ask me!
Coughed up and left. Everything?s a damn sight quieter but the further home I got, the more something wasn't right (now starting to feel a bit sick), I phoned the garage and returned to the workshop. The car was making a metallic rattle under acceleration and was running quite hot (up to 105C instead of the usual 90). I initially though the ignition timing was out but as I?d not heard this kind of thing before in my short time behind the wheel, I couldn't be sure. They initially suspected that the cam pulley may be at fault due to a significantly worn woodruff key (which we also had trouble with when replacing the HG in Scotland). So they replaced that - to no avail. So the mechanic took it out and straight away confirmed what I?d thought, it was pinking. I didn't want to say too much, incase it seemed like a case of 'granny and eggs', if you know what I mean
Everything seems back to normal.........for now! (Although the heater now only works on stage 3, tut)
P.S.: should I ?run in? these new parts?
|
|
I don't think you need to worry, I don't expect you drive it that hard anyway.
|
|
|
