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Post by ianxt4 on Jun 24, 2020 17:05:48 GMT
Hi This is my first post on this forum, I have a petrol manual 2004 Rav4 that I have owned from new and carefully maintained at home. The Rav4 has been exceptionally reliable requiring just the odd oil seal, new rear springs and shocks. However, today while conducting routine maintenance to replace the accessory belt, I discovered the tensioner had developed play at the mounting of the hydraulic cylinder to the tensioner body and the pulley bearing sounded dry. I have identified a quality OEM replacement tensioner part no INA 533002310 but on researching the replacement process, it seems that the pivot bolt removal is a "PIG" hitting the chassis and requires that the engine be moved !! Now my questions - on inspection the bolt is halfway up a chassis member which way do I move the engine up or down ? YouTube is full of American versions of this engine going up, on inspection my UK version looks as though it would be easier to drop from the engine mount, requiring just the removal or three engine mounting bolts and extracting the bolt via the wheel arch. A big help would be someone who has experience of replacing this tensioner on a UK 2000- 2005 RAV4 1AZFE engine (manual). Do I go down? Do I need to remove any other engine mounting bolts or accessories? The engine looks like it has to drop a way to get bolt removal clearance and I do not wish to damage anything? Any other tips/advice for doing this job ? Thanks for your help
Ian
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Post by unclebob on Jun 24, 2020 18:50:35 GMT
Hello Ian, I few years back I replaced my belt just to prove it wasn’t that difficult to do , the bolt you mentioned I got with a short socket and breaker bar from the top, seem to remember a locknut got at from the underneath, did have a thread on doing the but can’t seem to find it 😕
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Post by ianxt4 on Jun 24, 2020 21:07:47 GMT
Thanks for the reply. I don't have a problem removing the belt, I did this with a breaker bar and socket from above. On removing the belt the whole tensioner unit is in need of replacement and my question is regarding the process of removing the bolt that holds the tensioner to a uk Petrol 1AZFE engine. I can easily access the tensioner bolt with a 14mm ring spanner from top or bottom but its removal requires the engine to be dropped or lifted ?
Thanks Ian
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Post by unclebob on Jun 25, 2020 7:57:04 GMT
As I only replaced the belt I’m not much help with your question ....can you get a photo of the bolt location ?
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Post by unclebob on Jun 25, 2020 8:05:02 GMT
Looking at this used eBay engine it’s going to be trial and error which way you go ...lowering the engine look logical but I can’t see the clearance to the inner wing .
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Post by Paulus17 on Jun 25, 2020 11:48:48 GMT
Have a look at THIS video if you haven't already seen it. It's a series of 5 videos I think At about 39.26 in he's refitting the tensioner so somewhere in one of his videos he has taken it off??
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Post by ianxt4 on Jun 25, 2020 15:43:32 GMT
Thanks for everybodys replies My Rav4 configuration seems totally different from the USA 2AZFE video above. In the video he managed to replace the long tensioner bolt with the engine in the mount with loads of clearance ? My UK 2004 1AZFE seems to have a thick bulkhead in the way and in the attached picture you can see there is very little clearance at the bolt. I will need to drop/tilt the engine about 5cm down or about the same up to extract the bolt.
I hate trial & error (especially the error bit)
What I was really hoping to find was someone who had done the job before on this configuration
Thanks again
Ian
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Post by unclebob on Jun 25, 2020 16:41:26 GMT
As you drop the engine down keep a close eye on coolant pipes being strained and and electrical cables 👍🏻👍🏻
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Post by phaeton on Jun 25, 2020 17:18:42 GMT
Slightly confused which pulley you're wanting remove is it the one circled in red, I have a mechanic friend who maybe able to help
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Post by ianxt4 on Jun 25, 2020 18:06:45 GMT
Hi Its the whole tensioner unit I am replacing which has the pulley mounted to it. The whole tensioner unit pivits via one long bolt which is the problem.
All I really wanted to find out ideally from someone who had done this engine configuration before - was do I drop or lift the engine
Many Thanks Ian
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Post by philip42h on Jun 25, 2020 19:16:02 GMT
At the risk of getting banned for cross-posting ... ... does this thread help: vvti-timing-chain-job-halted-by-unexpected-hitch? Yes I know that you are trying to replace the tensioner of the serpentine belt and this guy is fighting an Avensis but it looks to be same problem that you describe. If nothing else it contains pictures and diagrams that might help explain your problem.
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Post by ianxt4 on Jul 7, 2020 5:43:25 GMT
Job Done
For the record if anyone with a 1AZFE 2000 -2005 UK Rav4 needs to replace their accessory belt tensioner this is how I did it
Jacked and supported the car RHS
Removed wheel on RHS and wheel arch plastic service cover
Removed accessory belt
Loosened both tensioner bolts (you need a long 14 ring spanner and extension)
Placed a further jack with block of wood under the oil pan to support the engine and removed the three bolts connecting the engine to the engine mount
I then dropped the engine carefully as far as it would comfortably go, which was not far about 4cm and the long main tensioner mounting bolt was still adjacent the chassis. However the tilt to the bolt seemed to give enough room to fully unscrew the bolt and easily wiggle the tensioner unit out with the bolt still loose in the tensioner. To reinstall place the bolt in the new tensioner and wiggle it into place . (it was not necessary to remove the spring cylinder from the tensioner for removal or re-installation)
Ian
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Post by jasehutch on Jul 7, 2020 6:29:21 GMT
Nice one Ian and thanks for keeping us posted..👍
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