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850 / S70 & V70 '96-'99 / C70 '97-'05 General Forum for the 850 and P80-platform 70-series models |
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possible cracked blockViews : 2742 Replies : 17Users Viewing This Thread : |
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#11 |
Senior Member
Last Online: Aug 2nd, 2020 00:30
Join Date: Apr 2012
Location: derbyshire
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There are very few tests needed realy
1- Is there water lying under the motor after its been run up to op temp y/n Y- There is an external leak that needs finding N- Then a sniffer test is required so test is done pass/fail F- It fails sniffer =head gasket has failed or worse ie blocks fubar which is unlikly so strip send head to be tested and skimed rebiuld or replace engine /motor after what you have already spent id opt for the rebuild. p- It passed so head gasket is ok and no internal leaks so next test full engine presure test this should then show an external leak how ever as already said this may be minor and very hard to locate Buy you state its loosing water at an alarming rate from that and what you have changed personaly it has to be a head gasket failure bettween pistons and waterway the reason being 1 loosing at alarming rate -= if it was any other head failure water would be getting in to oil filling sump and escaping at any available point dipstick etc as a nasty goo, plus engine would have stopped running wouldnt turn over even due to the sump being full 2 By the failure being between water and cylinder it is expelled as steam some will stay in which ever cylinder it is and may cause a slight miss on start up ,but an engine will run like this for a considerable time as long as there is some water there This usually happens between cylinders 2-3 and 3-4
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BLUE 1999 V70 SE AUTO 2435cc GREEN 1997 S40 TD MANUAL 1900cc now departed SILVER/GREEN PAJERO 2.8 TD Soon to go to bereplaced by another 70 series |
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#12 |
I've Been Banned
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Yet another post started by Charlotte which she seems uninterested in members help...
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#13 |
Premier Member
Last Online: Apr 19th, 2024 12:58
Join Date: Dec 2009
Location: Harwich
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or she may have just gone away on holiday for a couple of weeks??
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HLM304, Forge unos 17.5psi at 3.8 bar, 18t, Me7 Manifold, Blues, Walbro, De-cat, Ported n Polished Head, 3" Dp stainlesss exhaust, Carbon Air intake, Polly Bushed thoughout. |
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#14 |
I've Been Banned
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Yes with a cracked block and no internet access..
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#15 |
Premier Member
Last Online: Apr 19th, 2024 12:58
Join Date: Dec 2009
Location: Harwich
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Just saying she may have gone abroad?
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__________________
HLM304, Forge unos 17.5psi at 3.8 bar, 18t, Me7 Manifold, Blues, Walbro, De-cat, Ported n Polished Head, 3" Dp stainlesss exhaust, Carbon Air intake, Polly Bushed thoughout. |
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The Following User Says Thank You to Merc85 For This Useful Post: |
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#16 |
Premier Member
Last Online: Dec 28th, 2022 12:25
Join Date: Jun 2009
Location: Mercville
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OR...
she still may have her head under the bonnet trying to find the Core Plugs that the engine doesn`t have!
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Mercedes C320CDI Sport Estate 3 litre V6 7 Gear Auto Remap 290bhp 628Nm torque @ 1600revs 45.1mpg |
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#18 |
I've Been Banned
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She was logged on this morning at 10:08 but failed to make any comments...
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