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S40 / V40 '96-'04 General Forum for the Volvo S40 and V40 (Classic) Series from 1995-2004. |
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s40 T4 Engine TickingViews : 1002 Replies : 9Users Viewing This Thread : |
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Jun 20th, 2020, 08:28 | #1 |
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s40 T4 Engine Ticking
The s40 isn't sounding good
Had an issue with the exhaust manifold leaking recently, on inspection noticed two missing nuts around cylinder 4, fitted OEM nuts but unfortunately noise persists short clip https://www.youtube.com/watch?v=RSy5nxXZRi0 longer clip https://www.youtube.com/watch?v=Aq24xyHpQ3A Last edited by sforti; Jun 20th, 2020 at 10:22. |
Jun 20th, 2020, 10:53 | #2 |
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Probably a stupid question but it has got oil in it hasn't it, as that sounds more like cam / lifter rattle to me.
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Jun 20th, 2020, 11:25 | #3 | |
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Quote:
It probably sounds loudest around the 3rdish cylinder, front side... actually the coil sitting on the 3rd just replaced less than 100km ago, cheap chinese coil - hopefully it didn't just kill the engine I have a compression tester somewhere here, will run a test when I find it also no OBDII codes being reported atm Last edited by sforti; Jun 20th, 2020 at 11:35. |
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Jun 20th, 2020, 20:07 | #4 |
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Have you tried putting the tip of a flat blade screwdriver on the top of the engine to try to narrow down where the tapping's coming from?
It might work BTW re the OBD codes, with a reader it can show codes that are pending, but haven't as yet triggered the CEL indicator, but if you've tried that already then I'm not sure.
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Jun 21st, 2020, 17:31 | #5 |
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compression is 135 - 145 across the 4 cylinders, seems a bit low?
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Jun 21st, 2020, 19:39 | #6 |
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Maybe a silly question but is the gasket between head and exhaust good?
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Jun 21st, 2020, 21:07 | #7 |
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Sounds a bit like my 2.0T did. I thought it was missing nuts as it made a similar noise to when mine decided it needed 2 less nuts.
However, it was a knackered camshaft/possibly a damaged lifter. My car soldiered on for a year and a half before the headgasket went at 230k. Has it run extremely low on oil at any point? |
Jun 22nd, 2020, 05:13 | #8 | |
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Quote:
have sourced a new gasket but get a feeling the issue lies deeper |
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Jun 22nd, 2020, 05:20 | #9 | |
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Quote:
clarkey1984 also suggested this early, i think you guys might be right |
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Jun 22nd, 2020, 11:34 | #10 |
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If it were me I'd chuck a bottle of Wynn's finest hydraulic lifter treatment in it, for the tenner or so it costs it's worth a go, and certainly can't do any harm.
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