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Author Topic: Astra J 1.6 A16XER (115 hp) 2010 Outer Belt (and perhaps Timing Belt, too  (Read 7801 times)

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polilara

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Still have my Omega but daughter's Astra needs perhaps something now. 77 000 km behind and 10 years, outer and timing belt not yet changed. Heard that when changing outer belt you have to release the tensioner by taking the right inner wing away etc. Is it so? Any tips. Perhaps time to do timing belt, too? Is it normal job (done V6 several times so basically I can do it but never touched 1.6). What is timing belt change interval? How about water pump?.

Thanks in advance...
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biggriffin

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Dave the builder, will be along shortly, seems to do more work on Astra's than building.  :D
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Hoof'land storeman.

polilara

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Thanks, good to know, I'll wait!
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Marks DTM Calib

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100k miles or 10 years was the interval, not that dissimilar to the traditional 1.6 16V that has been around for years (cam phasing on the sprockets make it look more complex than it is).

Water pump is aux belt driven so can be left alone
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dave the builder

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yes,pretty similar engine to the astra G, H, 16v
gates cam belt kit about £90
worth buying the locking kit for the flywheel locking tool ,wedges etc
locking kit like this type clicky £16.39
engine mount has to come off
here's pics of the z16xep (without cam phaser sprockets)


flywheel locking tool bolted on gearbox end



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polilara

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Thanks dave the builder, seems doable. Crank pulley seem removed by taking the big bolt away - not a problem? Left "idler" is propably a tensioner - any rules how to adjust the tension or are there clear marks?
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dave the builder

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Crank pulley seem removed by taking the big bolt away - not a problem? Left "idler" is propably a tensioner - any rules how to adjust the tension or are there clear marks?
with the flywheel locking tool in,the crank pulley bolt comes out ok(it's very tight ) new bolt required (which is in the gates kit)
yes the left idler is the tensioner  :)  spring loaded/self adjusting  ,holds back with hex key to get the belt on
the original design of tensioner was spring loaded too with a pin to pull ,but that was revised to be bolted in place and wound back with hex key .

the belt is pretty tight to get on even with the tensioner slackened ,but DIY doable ,just take your time ,
DON'T load up the cam phaser sprockets to get the belt to fit ,keep them locked
timing marks are a guide but don't line up perfectly
Gates kit contains instructions ,idler with new bolt ,tensioner with new bolt, belt , crankshaft bolt

it's worth re-packing (with grease) the aux belt tensioner pulley as you would on an omega  :y
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polilara

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Thanks a lot, that is good to know, now I can start this job. And Yes, I take care of the lubrication of the pulley. Actually this pulley (+used belt belt) is the only spare I have allways with me in my Omega.
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polilara

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So this is moving ahead quickly like all my projects do, I already ordered the locking tool. Could you please still recommend a site for the suitable Gates kit, Astra J 1.6 A16XER (115 hp) 2010 to ensure I order the right one...
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Enceladus

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Andy Clears mentioned earlier this year that Gates timing kits are no longer what they once were. He recommended slightly more expensive SKF and Dayco kits. I would look to buy a Continental ContiTech kit, which is likely to be closest to factory spec. Try autodoc.de
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polilara

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Ok, I start to look from there, Thanks. Something to do during Christmas holidays.
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polilara

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https://www.autodoc.co.uk/contitech/10957958

So found this, is it OOF recommendation (and correct kit)

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dave the builder

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Looks the same as the Gates one bits wise  :y

https://gatesautocat.com/article/KP15603XS

£87.03 INC pump and P&P ebay is what i fit
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polilara

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Thanks, reasonable price with water pump and "Trusted UK Seller", too. I think that's the one for me...
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dave the builder

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you don't have to replace the pump,
it's not cambelt driven,
it's just i replace it and the aux belt and grease the tensioner bearing while it's all apart
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