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THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHCam Locking tool
Leading reported evidence
Inspect from there
Suggestion or failed attempt
No successful repair reported for this finding.
0
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0
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1
Discussions
Read evidence and context
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Suggestion
You can pull the sump plate, and inspect from there, with the pistons at TDC.
Leading evidence: 'Inspect from there' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Inspect from there' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion
Sorry misread your post, changing the chain tensioner to the updated one won't make it go away.
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Suggestion
Making the tool is a big pain too you have to have the skills and tools to make it, I bought the pelican one when I had reseal the cam cover.
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Suggestion · Original poster
When started it can't be heard, but the car is running more rpm so it would be difficult to hear when it goes to low idle its usually fine for a while before the tapping can be heard.
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Suggestion
A good bore scope test involves inspection from both points of view.
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Suggestion · Original poster
When started it can't be heard, but the car is running more rpm so it would be difficult to hear when it goes to low idle its usually fine for a while before the tapping can be heard.
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10 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
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Generation: 20261026T165820Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Having discovered a intermittent tapping / sound from the RHS of the engine, I am planning to investigate, as it isn't there all the time I am going for a swap out of the tensioner under the AC unit. It sounds like a chain sort of sound to me, so I am suspicious of the chain ramps and the tensioner.
When I remove / swap out the tensioner, if I discover it's not the issue I will want to dig deeper, in which case I need to remove the cam cover, this leads me to my question does anyone have a diagram for the cam locking tool? I would like to have this made in case I have to proceed to dig into the engine rather than making it up on the fly...
I have done a search!
Thanks
If you want to make your own, you'll need to pull the screen plugs from the heads/ cam covers and start milling away on a piece of 3/8" steel. If you value your time at all, its cheaper to buy one.
Seldom will tensioners make any noise, except at start up. Sounds that are perfectly interrupted are seldom chain/ ramp related.
Sorry misread your post, changing the chain tensioner to the updated one won't make it go away. The reason I know is I did it, it was a big pain in the you what to do it and still the noise came back after a day. Making the tool is a big pain too you have to have the skills and tools to make it, I bought the pelican one when I had reseal the cam cover. JR says that there is a kit coming out soon that will solve this problem.
Understood, I will procure the cam tool.
"Seldom will tensioners make any noise, except at start up. Sounds that are perfectly interrupted are seldom chain/ ramp related."
When you say perfectly interrupted what do you mean?
The noise I get comes in slowly then sits tapping, if any revs are applied after a second or two the noise will go. Some times the noise will go on it's own then come back.
When the ticking is present the idle seems slightly rough and you can see a slight variation in the tacho.
When started it can't be heard, but the car is running more rpm so it would be difficult to hear when it goes to low idle its usually fine for a while before the tapping can be heard.
Does that explain the sound better?
I don't want to drive it much as I feel I need to at least understand what's happening.
Oil consumption = Normal as far as I can tell only had the car a short while
Neither tailpipe is sooty
Engine pulls with no determinable difference
Idle oil pressure is about 1.5 (From memory) certainly no lower than 1.5
No oil leaks
No smokey starts
Runs clean
>?
Remember, you can't see the area below the pistons at BDC with a bore scope through the spark plug hole.... Guess where the problems start?
You can pull the sump plate, and inspect from there, with the pistons at TDC. A good bore scope test involves inspection from both points of view. This is how most failing cylinders are missed.
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