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Oil pressure warning - hot weather?
- Thread starter cvega
- Start date
Daviebrown
Trainee
- Joined
- 18 Apr 2015
- Messages
- 66
I had the same suspicions with a 996 C4, I bought a port extension for the sender unit with an extra port in the side to fit a capillary and mechanical gauge, I left the mechanical gauge in the engine compartment but made regular comparisons at idle with the dash gauge, my findings were that the dash gauge was reading low due to a lazy sender unit, the pressure relief valve is right on the back of the engine and easy to replace if need be, I'm not back in the uk till Monday but PM me and I'll send you the kit for the price of the postage you will need a crows foot spanner and 6" quarter drive extention to fit itcvega said:Thanks.
Getting a trailer arranged and having it investigated.
Of course it had to happen when weather turns to summer
DAMN OLD CARS!
Many thanks for your offer Davie - I'm getting the car picked up tomorrow to get investigated by Auto 2000 in bedford. I have other small jobs to be carried out so it makes sense to do it all together (if the engine is not on its last legs in which case Hartech it is).
Well, car's been looked at and oil pressure looks good, no metal in oil filter, theory is that thin oil + hot weather + leggy engine = spurious oil pressure warning. Sender and relief valve ok. Putting 10w60 in it to see how it goes along with some MOT related jobs.
Hopefully she'll live another year before a rebuild is needed !
Hopefully she'll live another year before a rebuild is needed !
A few degrees of weather shouldn't make any difference.... These cars are run in dubai....
You sure a thinner oil say 5w30 wasn't used in the last service?
If you send a sample to miller's they test the viscosity, usually it shears down a bit.
You sure a thinner oil say 5w30 wasn't used in the last service?
If you send a sample to miller's they test the viscosity, usually it shears down a bit.
skinny_monkey
Montreal
- Joined
- 16 Sep 2014
- Messages
- 539
When hot I'm 1.8 ish bar idle, 4.2 ish when cruising at 2800 rpm on the motorway. 0w-40. 112k miles.
Great news!
Yep stick a thicker oil in and see how you go.
The cars are run in Dubai, but yours has 142k on it so there is going to be wear in there.
As agreed with your Indy go with the thicker oil and forget about it unless you get more bother. :thumb:
Yep stick a thicker oil in and see how you go.
The cars are run in Dubai, but yours has 142k on it so there is going to be wear in there.
As agreed with your Indy go with the thicker oil and forget about it unless you get more bother. :thumb:
Just something to add re the oil pressure for all cars ..
Turn the ignition on , does the gauge read 0 or 0.5 ? it should read 0 or there is a fault with the sender unit .
I jumped into a car today for a misfire fault .. first thing i saw was oil pressure at 0.5 engine NOT running
Turn the ignition on , does the gauge read 0 or 0.5 ? it should read 0 or there is a fault with the sender unit .
I jumped into a car today for a misfire fault .. first thing i saw was oil pressure at 0.5 engine NOT running
well, car is back and drives and feels fine
MOT fault is fixed, and alternator voltage regulator replaced, as well as very rusty brake pipes.
Now onto Gundo hack in June and some new tyres (Uniroyals really suck for this car - so soft sidewalls!)
In the oil story we're running thicker oil and i'm watching pressures closely.
MOT fault is fixed, and alternator voltage regulator replaced, as well as very rusty brake pipes.
Now onto Gundo hack in June and some new tyres (Uniroyals really suck for this car - so soft sidewalls!)
In the oil story we're running thicker oil and i'm watching pressures closely.
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