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Post by danie on Apr 11, 2011 18:32:33 GMT 2
Hi Charles
I have just figured out exactly how the Timing Shoe Tensioners work - and while you have mentioned that the Thread on your Tensioner is stripped, you should immediately stop driving your Lada, or even starting the engine.
Should your engine for any reason "backfire" or turning slightly anti - clockwise, there is a huge possibility that the timing chain on your Lada will jump some teeth, and you could be facing a huge Cylinder head repair bill.
I will take some pics from the Tensioner, and compile a report as soon as possible.
Danie
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Post by Ari Bezuidenhout on Apr 11, 2011 18:54:09 GMT 2
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Hercules
Veteran Niva Petrol Head
Lada - your peace of mind to take on the world's vast landscapes.
Posts: 785
Location: Gauteng
Town: Benoni
Registered: Oct 2, 2009 11:55:41 GMT 2
Karma: Exalt | Smite
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Post by Hercules on Apr 11, 2011 19:00:01 GMT 2
Danie I agree with you fully. The Lada do indeed bent valves when the timing chain jump teeth. Mine jump two teeth and a enormous repair bill later.
Timing chain tensioners are available from Ventz at a very reasonable prize. I bought a tensioner from Ventz when we went on leave in February to the south coast.
Regards.
Hercules
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Post by jaco1978 on Apr 11, 2011 19:29:33 GMT 2
I agree with the above. When my shoe/tensioner failed it backfired. I think I was lucky to have only bent the valves. And that was a "huge" cost with just the valves and also the replacement of the shoe and the tensioner. Things could have been worse. Ok, now back to work on my Lada, Regards, Jaco
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Post by Charles on Apr 11, 2011 19:43:36 GMT 2
Thanks Danie
The battery has been disconected. Allready bought a shoe. Is planning on buying a tensioner end of the month. Will see if I can strip it this weekend and inspect everything.
Thanks again for the tip.
Charles
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Post by danie on Apr 11, 2011 19:52:09 GMT 2
What did you figure out Ari 1. That all owners should immediately have a close look at the condition of the thread on their Shoe Tensioner Housings, as well as shoe Caps. 2. That a spare Shoe Tensioner is one of the "must have" items inside your Toolbox. 3. To order a Tensioner from Ventz or elsewhere before it gets sold out. 4. That Ventz is correct- forget about the hammer and buy a new Tensioner. At the moment I am uploading some pics at Photobucket, and will post some comments tomorrow evening. Danie
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Post by Charles on Apr 11, 2011 20:06:59 GMT 2
Hi Danie
The thing is my tensioner indeed does tighten the cap just doesn't want to come off.
Charles
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Post by ronnie on Apr 11, 2011 20:53:16 GMT 2
Hi Charles
If the cap will not come off the only thing I can think of is some how the collets are still gripping the pin.
Ronnie
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Post by ronnie on Apr 11, 2011 20:59:38 GMT 2
Hi Danie
I fail to see the relationship between the hammer and buying a new tensioner. The light tap is simply to make sure the collets are free. Or simply remove the cap. It does not indicate buying a new tensioner as suggested in your item no 4
Ronnie
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Post by Charles on Apr 11, 2011 21:01:12 GMT 2
Hi Ronnie
If I undo it it moves vack to the end of the tensioner. Then when I keep on turning it it just slips. Will examine it this weekend after I striped off the covers to fit my new shoe. Will try and get the cap of then. If it then breaks, it breaks.
Charles
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Post by ronnie on Apr 11, 2011 21:10:02 GMT 2
Hi Charles If the cap screws clear of the thread the only other thing which can hold it on is the collets gripping on the pin.
Ronnie
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Post by Ari Bezuidenhout on Apr 11, 2011 21:12:14 GMT 2
Hi Charles
If it won't come off your HAMMER IS TOOOOO SMALL.
Ari
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Post by Charles on Apr 11, 2011 21:20:52 GMT 2
It slips on the last bit of thread.
Charles
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Post by danie on Apr 11, 2011 22:11:01 GMT 2
Hi Ronnie I discovered that about 80% of the thread on my tensioner's housing is stripped as well. The collets did not grip the pin - so the cap came loose easily. The weakest link on the tensioner seems to be the thread on the housing - it obviously wears out by fastening and loosening when the tensioner gets adjusted. I am quite sure that the thread on most tensioner threads out there will eventually wear out , so I thought it is advisable rather to be safe than sorry. I am 100% sure that a Tensioner failure will cause a costly Cylinder Head rebuilt - even if the Timing Shoe , Timing Chain, and Gears were new.So I still think in this case I would definately forget about a hammer and rather invest in a Tensioner. Danie
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Post by ronnie on Apr 12, 2011 8:03:19 GMT 2
Hi Danie
I agree with your thinking on the tensioner system. However I still cannot see the relevance between forgetting about the hammer and buying a new tensioner. You either need a new tensioner or you do not. The hammer does not enter the equation.
Ronnie
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Post by ronnie on Apr 12, 2011 8:05:47 GMT 2
Hi Charles
If you are not going to start the Niva why do you not unbolt the tensioner and remove it to inspect it ?.
Ronnie
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Post by Charles on Apr 12, 2011 10:11:38 GMT 2
Going to do it tonight Ronnie.
Charles
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