oil change
23 September 2012, 04:58 PM
#1
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oil change
Is it worth doing an interim service? eg an oil change every 6 months?
I see National Tyres and Autocare will do a change and filter for £35. Which seems a bargain.
Ive heard bad things about Kwik Fit in the past, but are National any good? Is changing cheaper oil more regularly potentially more trouble than expensive oil in the car for longer?
I see National Tyres and Autocare will do a change and filter for £35. Which seems a bargain.
Ive heard bad things about Kwik Fit in the past, but are National any good? Is changing cheaper oil more regularly potentially more trouble than expensive oil in the car for longer?
23 September 2012, 05:16 PM
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are they really that bad?
I used to have a company car and had tyres done at local kwik fit, the lads there had modified fords and seemed pretty clued up.
I used to have a company car and had tyres done at local kwik fit, the lads there had modified fords and seemed pretty clued up.
23 September 2012, 05:21 PM
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Que the disconnection of the crank sensor comments, and don't forget to pre-fill the new filter routine.
There........I was the first person to mention the above, all impreza owners carry out this ritual, apart from the Subaru main dealers it seems.
There........I was the first person to mention the above, all impreza owners carry out this ritual, apart from the Subaru main dealers it seems.
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23 September 2012, 05:42 PM
#8
Do the change yourself chap and don't use cheap oil just because your doing it more often. It's no more than 30mins work and doesn't require any special tools or equipment. Even the least mechanically minded can do it. My car gets a new filter and oil every 4 months regardless of miles (sometimes its only a couple of hundred) and I will only use decent stuff. Worth the peace of mind if nothing else fella.
And yep, I do the pre oil filter fill and remove the crank sensor routine.lol...
And yep, I do the pre oil filter fill and remove the crank sensor routine.lol...
24 September 2012, 01:56 PM
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Most of these places give you a receipt and a stamp in the book, do you think that this makes the car easier to sell on with extra 'service history' ?
24 September 2012, 02:27 PM
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Do the change yourself chap and don't use cheap oil just because your doing it more often. It's no more than 30mins work and doesn't require any special tools or equipment. Even the least mechanically minded can do it. My car gets a new filter and oil every 4 months regardless of miles (sometimes its only a couple of hundred) and I will only use decent stuff. Worth the peace of mind if nothing else fella.
And yep, I do the pre oil filter fill and remove the crank sensor routine.lol...
And yep, I do the pre oil filter fill and remove the crank sensor routine.lol...
I dont think so, i keep all my reciepts and write on the date/mileage when changed so i think that does the job.
24 September 2012, 04:37 PM
#12
Sensor is under the alternator, it's a small white plug.
Yes, crank it over until the oil light goes out then plug the crank sensor back in and fire up. Not everybody does it but I always have and never had any problems.
Yes, crank it over until the oil light goes out then plug the crank sensor back in and fire up. Not everybody does it but I always have and never had any problems.
Last edited by MattyB1983; 24 September 2012 at 04:39 PM.
24 September 2012, 05:40 PM
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And low & behold I don't use a magnetic sump washer
It horses for courses really and different people suggest different things. My thing regards the crank sensor is you don't remove it every morning when starting from stone cold with the oil in the sump (as per when you've just filled it on an oil change), so why the difference?
Last edited by chocolate_o_brian; 24 September 2012 at 05:42 PM.
24 September 2012, 08:34 PM
#16
When you turn your ignition on in the morning you will notice your oil light goes out almost immediately suggesting oil pressure is present.
If you do this after an oil change it doesn't go out, it sometimes takes quite a bit of cranking to get the light to go out.
I'm not suggesting it's a must but it's just something I've always done. Takes 5 secs to pull the plug and somehow gives me some peace of mind.
But then again I am an odd one as I do use a magnetic sump plug too....lol....
If you do this after an oil change it doesn't go out, it sometimes takes quite a bit of cranking to get the light to go out.
I'm not suggesting it's a must but it's just something I've always done. Takes 5 secs to pull the plug and somehow gives me some peace of mind.
But then again I am an odd one as I do use a magnetic sump plug too....lol....
24 September 2012, 08:38 PM
#17
When you turn your ignition on in the morning you will notice your oil light goes out almost immediately suggesting oil pressure is present.
If you do this after an oil change it doesn't go out, it sometimes takes quite a bit of cranking to get the light to go out.
I'm not suggesting it's a must but it's just something I've always done. Takes 5 secs to pull the plug and somehow gives me some peace of mind.
But then again I am an odd one as I do use a magnetic sump plug too....lol....
If you do this after an oil change it doesn't go out, it sometimes takes quite a bit of cranking to get the light to go out.
I'm not suggesting it's a must but it's just something I've always done. Takes 5 secs to pull the plug and somehow gives me some peace of mind.
But then again I am an odd one as I do use a magnetic sump plug too....lol....
it takes ten seconds to pull the plug off from under the alternator so worth while.
24 September 2012, 08:47 PM
#19
you can disconnect the crankshaft sensor that is on a multiplug under the alternator and the engine will turn over and not fire up.
turn it over for about 30 secs and then reconnect the sensor and it will start.
whether it not this is necessary is open to debate but as its easy it does no harm.
there have been stories of bottom ends going shortly after oil changes and this could be due to running with no oil pressure although never proven.
24 September 2012, 08:47 PM
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When you turn your ignition on in the morning you will notice your oil light goes out almost immediately suggesting oil pressure is present.
If you do this after an oil change it doesn't go out, it sometimes takes quite a bit of cranking to get the light to go out.
I'm not suggesting it's a must but it's just something I've always done. Takes 5 secs to pull the plug and somehow gives me some peace of mind.
But then again I am an odd one as I do use a magnetic sump plug too....lol....
If you do this after an oil change it doesn't go out, it sometimes takes quite a bit of cranking to get the light to go out.
I'm not suggesting it's a must but it's just something I've always done. Takes 5 secs to pull the plug and somehow gives me some peace of mind.
But then again I am an odd one as I do use a magnetic sump plug too....lol....
I knew it 
I'm just curious as to how there's oil pressure present if it's the sump that's full. I genuinely don't know the answer, hence doing changes the same way as other performance cars I've owned
24 September 2012, 08:53 PM
#21
when you change the oil in your engine and refill it, its best to crank the engine over without it starting as it takes a few cranks for oil pressure to build up.
you can disconnect the crankshaft sensor that is on a multiplug under the alternator and the engine will turn over and not fire up.
turn it over for about 30 secs and then reconnect the sensor and it will start.
whether it not this is necessary is open to debate but as its easy it does no harm.
there have been stories of bottom ends going shortly after oil changes and this could be due to running with no oil pressure although never proven.
you can disconnect the crankshaft sensor that is on a multiplug under the alternator and the engine will turn over and not fire up.
turn it over for about 30 secs and then reconnect the sensor and it will start.
whether it not this is necessary is open to debate but as its easy it does no harm.
there have been stories of bottom ends going shortly after oil changes and this could be due to running with no oil pressure although never proven.
24 September 2012, 09:08 PM
#23
yeah i understand that but like somebody said you dont do it everytime you start your car so why now?
it sounds like a good idea mate but i think its open to debate same as things like is it bad leaving your car ticking over before driving straight off etc etc,everybody has their say on it but no actual evidence of it preventing/causing a problem
it doesnt take 10 seconds anyway it takes 40 seconds with the 30 seconds cranking over
it sounds like a good idea mate but i think its open to debate same as things like is it bad leaving your car ticking over before driving straight off etc etc,everybody has their say on it but no actual evidence of it preventing/causing a problem
it doesnt take 10 seconds anyway it takes 40 seconds with the 30 seconds cranking over
24 September 2012, 09:17 PM
#24
yeah i understand that but like somebody said you dont do it everytime you start your car so why now?
it sounds like a good idea mate but i think its open to debate same as things like is it bad leaving your car ticking over before driving straight off etc etc,everybody has their say on it but no actual evidence of it preventing/causing a problem
it doesnt take 10 seconds anyway it takes 40 seconds with the 30 seconds cranking over
it sounds like a good idea mate but i think its open to debate same as things like is it bad leaving your car ticking over before driving straight off etc etc,everybody has their say on it but no actual evidence of it preventing/causing a problem
it doesnt take 10 seconds anyway it takes 40 seconds with the 30 seconds cranking over
years ago when i was learning about car servicing with my dad, he always did it on an old vauxhall he had, a chevette i think as when he didnt the bottom end knocked for about ten seconds on start up due to no oil pressure after a change.
next time you do a change start it without doing the above and watch the oil pressure light on the dash and see how long it stays on.
all the time it is on your running with no oil pressure
24 September 2012, 09:19 PM
#25
its your car fella, do as you please. as said it may do no good at all or it may help.
years ago when i was learning about car servicing with my dad, he always did it on an old vauxhall he had, a chevette i think as when he didnt the bottom end knocked for about ten seconds on start up due to no oil pressure after a change.
next time you do a change start it without doing the above and watch the oil pressure light on the dash and see how long it stays on.
all the time it is on your running with no oil pressure
years ago when i was learning about car servicing with my dad, he always did it on an old vauxhall he had, a chevette i think as when he didnt the bottom end knocked for about ten seconds on start up due to no oil pressure after a change.
next time you do a change start it without doing the above and watch the oil pressure light on the dash and see how long it stays on.
all the time it is on your running with no oil pressure
02 October 2012, 06:48 PM
#29
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I have a standard bug WRX on 72,000... 10w40 best for me also?
I ask as someone told me that 5w30 my be better for the cold starts over the next few months.
I ask as someone told me that 5w30 my be better for the cold starts over the next few months.
02 October 2012, 09:02 PM
#30
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This old Bollox again ..... pre-fill Oil Filter - I agree .... makes sense - although most Dealers do NOT do this come Service time.
As for the Crank Sensor Disconnect ..... this is for idiots who cannot think with an Engineering mind - in the morning the engine oil is in the very same state as after an Oil Change - do you do the 'crap for brains' disconnect then? Nah, you don't! So why after an Oil Change?
What's worse is that you are doing much more damage churning your Engine over at Starter Speed than you ever do firing up to idle speed after an oil change ....... just imagine those bearings churning over so slowly that the pressure takes at least 50 times longer to build to a safe value?
It's a disgrace that this Myth persists - I understand that not everyone is working at the forefront of Engineering Technology as I do ......... but, come on, don't be so gullible!!
As for Magnetic Sump Plugs
...... any particle small enough to get past the filter isn't going to worry me - or the engine for that matter.
Carry on disconnecting the Crank Sensor if you wish - but do not tell others to be risking their engine.
As for the Crank Sensor Disconnect ..... this is for idiots who cannot think with an Engineering mind - in the morning the engine oil is in the very same state as after an Oil Change - do you do the 'crap for brains' disconnect then? Nah, you don't! So why after an Oil Change?
What's worse is that you are doing much more damage churning your Engine over at Starter Speed than you ever do firing up to idle speed after an oil change ....... just imagine those bearings churning over so slowly that the pressure takes at least 50 times longer to build to a safe value?
It's a disgrace that this Myth persists - I understand that not everyone is working at the forefront of Engineering Technology as I do ......... but, come on, don't be so gullible!!
As for Magnetic Sump Plugs
...... any particle small enough to get past the filter isn't going to worry me - or the engine for that matter.Carry on disconnecting the Crank Sensor if you wish - but do not tell others to be risking their engine.