my oil light pressure light comes on when my car is at rest yet when I am driving it goes off or if I keep the rev count up slightly it is a vauxhall astra 56 plate.Any ideas what this is most likely to be.
First be sure the oil level is correct and you are using the correct weight oil for that engine and climate. Then check that the engine idle speed is correct. Then check the oil pressure sending unit for accuracy with temporally installing a manual oil pressure gauge. If all that checks okay, you probably have a tired engine with worn bearings and oil pump.
keep filling it till it reaches top lever mark on the dipstick and also make sure you are on level ground when topping up
I'm guessing, but the coolant level sensor is probably in the overflow bottle and it is low. This is so you notice it before the radiator itself is low.
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The light may be the low fluid level for the master cylinder also. Check the fluid level.
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Either the coolant level is low and needs topping up, or more likely that the sensor is faulty. Experience shows that for ever 10 cars with that showing 9 have a fault with the sensor. Check the level anyway!
For the Astra G (Mk 4) models, the gearbox does not have a specific oil filler hole. The reversing light switch can however be unscrewed for this purpose, but as it is quite a small hole, and not in a very convenient position, it is helpful to use an oil can with a flexible spout. There is an oil level plug which must also be removed to ensure that the gearbox is not overfilled. This is located by the left hand drive shaft, and can be difficult to access. The operation should, of course, be carried out with the car on the level.
The most likely cause is a fault with the fluid level sensor. The sensor was removed from production about 6 months after production started, as all cars had the light coming on. If the level is Ok, your local Vauxhall dealer can probably reprogram the steering system to "ignore" the sensor.
Well, darling, "SXI" on an Astra typically stands for "Sport Xtra Injection." It's basically a fancy way of saying the car has a sportier trim level with fuel injection. So, if you see that badge on an Astra, you know you're in for a slightly peppier ride.
To add gearbox oil to a Vauxhall Astra SRI, locate the gearbox filler plug, which is typically situated on the side of the gearbox. You may need to remove a cover or use a socket wrench to access it. Once located, use a funnel to pour the appropriate gearbox oil into the filler hole until it reaches the correct level. Always consult the owner's manual for specific details regarding the type of oil and the correct procedure for your model year.
ive put in brake fuild oil toped that up checked the battery level all ok still the battery light and hand brake light are still on...
the float in the expansion tank isn't floating or getting stuck giving false reading of water level low
There is a warning light on the dash that will come on, the dash may also start making the alarm noise depending on yerar and trim level.
Remove the level plug.
There is no set replacement interval. It should be replaced when it becomes noisy. Failure to maintain the correct oil level, change the oil at recommended intervals or use the correct grade of oil can dramatically reduce the life of the chain.
keep filling it till it reaches top lever mark on the dipstick and also make sure you are on level ground when topping up
sounds like brake fluid level is still too low or the switch on the handbrake is faulty causing the light to stay on. ----- It could also indicate that your rotors are wearing thin.