This video shows you detailed step by step DIY instructions on how to install chain tensioners. The demo car is my 1998 Porsche Boxster 986.
If you haven’t seen the first video on the original issue, please check out this video that gives a lot of background on chain tensioners: https://youtu.be/kei8ffcxjXQ
Porsche Timing Chain Tensioner (99610518602 – For cylinder bank 1-3):
https://bit.ly/3jnUupJ
Porsche Timing Chain Tensioner (99610518059 – For Crankshaft to Intermediate Shaft Chain):
https://bit.ly/2TQ40ci
Porsche Cylinder Head Plug – OE Supplier (99610421554):
https://bit.ly/3lopLvj
Porsche Cylinder Head Plug – Porsche (99610421554):
https://bit.ly/3jA9ZuX
Camshaft Took Kit: https://amzn.to/3rT51gr
101 Projects for your Porsche Boxster book:
https://amzn.to/2uZOeyO
986 Service Manual:
https://amzn.to/2JPdgVr
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Disclaimers
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I am a Do It Yourself, also known as DIY, mechanic. I am NOT a professional mechanic. I do not have any formal training in the automotive field.
Help Me DIY assumes no liability for anything you choose to do to your car, before, or after watching one of my videos or utilizing the content from this web site.
All DIY repairs or modifications you perform to your car are made at your own risk. Sometimes, even if you’ve done everything the right way, you can destroy or damage one or more things on your car. You must understand this, but by leveraging knowledge and patience, the probability of encountering one or more problems can be reduced.
Also, if for some unfortunate reason, I do give incorrect instructions and something breaks because you followed my instructions, I will NOT reimburse or pay in any way for whatever cost that may be incurred due to following my wrong instructions.
Lastly, please don’t do anything to your car unless you yourself feel comfortable and confident in doing so.
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I just started noticing a little rattling at start in mine a couple months ago.
And I Found my first bits of plastic like yours in the filter today. So I’ll be doing this very shortly. Ty again brother. Lol. I’ve done 7 of your projects so far.
Btw ? Did you find any very small aluminum shavings in yours ?
Is it necessary to lock the cams in place? or more of just a precaution incase the engine were to slip away from TDC?
hey Aaron, did you feel that your new tensioners had an upgraded design? Are they original Porsche parts? I am now feeling brave enough to do this myself, Thank you! I am a newer owner and making up for some neglected maintenance. Bill
Did you ever check your camshaft deviations with your Durametric tool? It would be good information for everyone to check before replacing their chain tensioners.
Nice work Aaron. My tip on the bottom tensioner is to use a bottle jack and some wood to apply a little upward pressure while you catch the first thread with a wrench. It's still fiddly as you have to inch it up real slow so as not to damage the thread whilst also rotating the tensioner with a wrench. I found it easier than trying to muscle it in.
Is there a reason why you didn't change the tensioner by the A/C pump? It's fiddly but easy enough; you have to remove the belt and take out a couple of the mounting bolts from above with the top in the service position. Cheers
Thanks, I will be doing this soon. Your video helps greatly!
Still having chain rattle? or did it get better after multiple start ups?
those green plugs are a total ball ache to get out, you only need the 1/2 lock tool on a 5 chain motor, the 5 chain motor only has the notch on the exhaust cam, 3 chain has notch on both cams an the longer lock tool is used for the 3 chain
Got to be the chain guides? You can trust Jake Raby. He is the foremost Expert on these engines! He was instrumental in finding my 996. BTW, Jake did the IMS, AOS, Water Pump, Clutch etal. on my now current 996. I Love this Porsche. Thanks to Jake Raby !! OOHRAH ! Marine !! Job Well Done ! My Friend ! HooAh !!
Humm? After days of sitting, my chains rattle for a second. Loudly. 58K on the engine (well sorted w/ LN IMS, AOS, Water Pump, Clutch). I don't like to hear that chain rattle at start up. What should I replace to stop this noise?
Finding TDC a lot easier with the belt off. Never seems to be enough room to get a socket on the crank. Hope your chain rails are OK.
Your perseverance for our benefit is appreciated. That bottom tensioner would have sent me swearing and threatening to sell the car ! You’re a bigger man than I am .
Feels like it got worse but it might be because of first start-up. Thanks for sharing this with us!
Wow. I felt your pain with these caps. I am worried for you: if you get bits of guides, you need to change these ASAP. And please make a video of that too. Oh and we say aluminium in Canada, the way the British says it. Why? Because it is a French word and we say it the same way…. I am French Canadian….
How much for parts and what vendor please? Thanks good job! Did you email Jake?
Glad to see you did lock it, even though you had trouble with the tool, you got it figured out
Whats a 5 chain?
Great walk-through!
Thanks for being such a brave soul!!