nib1980
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| posted on 24/5/09 at 04:02 PM |
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Stuff it, stupid car
Hi All
Had a nice busy day taking off the sump and refitting it, with a nicely designed baffle.
Put the sump back on, Fill with oil, start up, everything looks good.
Get in car go for a drive, nice and warm all at temp and pressure. Give it a few beans.
oil warning light on.
stop car turn off, check the obvious still full of oil, not leaking?
think i found a loose connection on the warning light. fix jump in start up, light still on and showing no pressure on the guage.
luckily I'm about 500mtrs from home. and the local kids like pushing cars.
Any ideas?
All I can think of is. failed pump?
blocked pipe to the sensors?
Used a different oil 20-50W
By the way its a Xflow, which has been nothing but a pain since fitting it.
why oh why can't things ever be simple, especially on a day like today
i'm starting to forget what is was like to drive my car npw.
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MakeEverything
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| posted on 24/5/09 at 04:15 PM |
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Maybe the pickup pipe isnt picking the oil up with the new baffles in place?
May be blocked?
Kindest Regards,
Richard.
...You can make it foolProof, but youll never make it Idiot Proof!...
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nib1980
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| posted on 24/5/09 at 04:41 PM |
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quote:
Originally posted by MakeEverything
Maybe the pickup pipe isnt picking the oil up with the new baffles in place?
May be blocked?
and that means the pleasure of taking the sump off again.
but why did it work ok for the first 10 mins?
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MakeEverything
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| posted on 24/5/09 at 04:48 PM |
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Oil already in the system / Sender? Not sure.
Kindest Regards,
Richard.
...You can make it foolProof, but youll never make it Idiot Proof!...
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Chippy
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| posted on 24/5/09 at 04:53 PM |
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Do the simple thing first, check that the sender is OK before going overboard and ripping the sump of. Cheers Ray
To make a car go faster, just add lightness. Colin Chapman - OR - fit a bigger engine. Chippy
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nib1980
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| posted on 24/5/09 at 04:57 PM |
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quote:
Originally posted by Chippy
Do the simple thing first, check that the sender is OK before going overboard and ripping the sump of. Cheers Ray
whats the best way to check it?
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omega 24 v6
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| posted on 24/5/09 at 05:07 PM |
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Pick up pipe too close to the base of the sump?? Heat of the oil causing the sump to buckle inwards ( like a biscuit tin lid when you were a kid) and
blocking it??
I know the feeling my sumps been off for three tomes now but I am gradually getting there ( mines only happens under severe braking and it's an
XE vauxhall)
Good luck.
If it looks wrong it probably is wrong.
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rusty nuts
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| posted on 24/5/09 at 05:21 PM |
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Was it a shortened sump you fitted? did you fit a matching pick up?
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nib1980
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| posted on 24/5/09 at 05:23 PM |
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quote:
Originally posted by rusty nuts
Was it a shortened sump you fitted? did you fit a matching pick up?
yep, but prior to taking it off to put in a baffle, the only problem was oil surge in corners
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David Jenkins
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| posted on 24/5/09 at 05:36 PM |
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With my x-flow, it was the oil pressure relief valve sticking open. Maybe a bit of grit has got into it.
It's easy to check - take the oil pump off the engine, unscrew the filter (watch out for all the oil!) and take a look into the pump where the
filter sits. If you can't see a very shiny cylinder in one of the nooks and crannies then the valve is stuck open.
I found that a firm but careful prod with a bit of brass rod through the hole at the end of the valve's cylinder on the mounting face was enough
to free it off.
It was this fault that caused me to abandon my first attempt at an SVA - had I known what it was I could have fixed it on 10 minutes at the side of
the road. 
It happened a month or so later, and I did fix it - in a station car park! 
[Edited on 24/5/09 by David Jenkins]
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nib1980
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| posted on 24/5/09 at 05:43 PM |
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quote:
Originally posted by David Jenkins
With my x-flow, it was the oil pressure relief valve sticking open. Maybe a bit of grit has got into it.
It's easy to check - take the oil pump off the engine, unscrew the filter (watch out for all the oil!) and take a look into the pump where the
filter sits. If you can't see a very shiny cylinder in one of the nooks and crannies then the valve is stuck open.
I found that a firm but careful prod with a bit of brass rod through the hole at the end of the valve's cylinder on the mounting face was enough
to free it off.
It was this fault that caused me to abandon my first attempt at an SVA - had I known what it was I could have fixed it on 10 minutes at the side of
the road.
It happened a month or so later, and I did fix it - in a station car park!
[Edited on 24/5/09 by David Jenkins]
HI David,
Many thanks, with this bit of info I'm a bit more enthused to go and have alook at it in the morning.
many thanks
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Macbeast
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| posted on 24/5/09 at 09:34 PM |
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When you fitted the baffles did you leave cut outs at the bottom so oil can still flow from front to back even if slowly ? If you created closed
compartments it may be the pump sucked up all the oil in the first compartment but the dipstick reads the level in the second ?
It would work for the first 10 mins, until the first compartment is sucked dry.
[Edited on 24/5/09 by Macbeast]
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wilkingj
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| posted on 24/5/09 at 10:13 PM |
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quote:
Originally posted by Macbeast
When you fitted the baffles did you leave cut outs at the bottom so oil can still flow from front to back even if slowly ? If you created closed
compartments it may be the pump sucked up all the oil in the first compartment but the dipstick reads the level in the second ?
It would work for the first 10 mins, until the first compartment is sucked dry.
[Edited on 24/5/09 by Macbeast]
OR... Are the cut outs (for the oil to drain between the compartments big enough?
ie its draining the oil, in the main compartment faster than it can flow back due to the small orifices.
That would explain why it worked for a while. Maybe its OK at low revs, but not enough flowing back at higher revs.
Just a thought.
I have no idea of what size the holes / cut outs should be.
1. The point of a journey is not to arrive.
2. Never take life seriously. Nobody gets out alive anyway.
Best Regards
Geoff
http://www.v8viento.co.uk
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