fitting turbo
29 September 2011, 09:11 PM
#1
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fitting turbo
hi,any tips regarding fitting a new turbo on a 98 sti type r would be appriciated as im not 100% sure which order to it.i am aware of the downpipe bolts etc,id just like to know the best way to go about it.i will have a new up pipe gasket also.
thanks.
thanks.
29 September 2011, 09:31 PM
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29 September 2011, 09:44 PM
#7
don't think there is a preferred method what id do though once turbo fitted is disconnect cam and crank pulley and crank engine over a few times to make sure theres oil at the turbo before firing engine up.
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29 September 2011, 09:53 PM
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is fitting a new turbo a fairly easy job?im also heatwrapping downpipe and changing centre section so ill be removing the complete exhaust system,how long should the turbo change take roughly?
29 September 2011, 10:07 PM
#9
its not a hard job although the bolts that hold it do up pipe arent the easiest to get to id say if all goes well around the hour, but who knows, only takes one fixing to create alot of hard work.
29 September 2011, 10:19 PM
#11
you will loose a little water and a tiny bit of oil but that's about all. once turbo fitted and primed ( cranked with sensors unplugged) and anti freeze topped up just run up to temp and bleed any air out water system and you'll be good to go.
p.s don't just stick water in, put some anti freeze in as well as i've seen engines that people have topped up with water in the summer, freeze in the winter (anti freeze too diluted)
p.s don't just stick water in, put some anti freeze in as well as i've seen engines that people have topped up with water in the summer, freeze in the winter (anti freeze too diluted)
29 September 2011, 10:22 PM
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you will loose a little water and a tiny bit of oil but that's about all. once turbo fitted and primed ( cranked with sensors unplugged) and anti freeze topped up just run up to temp and bleed any air out water system and you'll be good to go.
p.s don't just stick water in, put some anti freeze in as well as i've seen engines that people have topped up with water in the summer, freeze in the winter (anti freeze too diluted)
p.s don't just stick water in, put some anti freeze in as well as i've seen engines that people have topped up with water in the summer, freeze in the winter (anti freeze too diluted)
29 September 2011, 10:36 PM
#13
i always remove the small pipe between the top of rad and the header tank ( don't confuse with over flow that connects to a pipe that runs over top of red) and wait until water is flowing out of rad pipe then all air should be out.
29 September 2011, 10:45 PM
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also do all the bolts for downpipe and uppipe have to be done to specific torque setting or just do them up evenly and tight?
30 September 2011, 12:56 AM
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i would also check the oil feed bonjo just to make sure you have the right one might be diffrent on the vf48 compared to your old turbo. just take your time mate its easy once you get started
01 October 2011, 03:19 PM
#22
Yeah, if you pre-clamp that turbo hose to the tank, then you won't let any coolant out (other than what's already between from that point, through to the turbo). Plus it will prevent air from getting in too.
But still 'burp' the system in the normal way when topping up after the VF48 has been installed, as its waterway will be full of air, obviously.
Perhaps you could use a spark plug to bung the turbo coolant pipe instead of a clamp (I reckon it'd fit like a glove)....
But still 'burp' the system in the normal way when topping up after the VF48 has been installed, as its waterway will be full of air, obviously.
Perhaps you could use a spark plug to bung the turbo coolant pipe instead of a clamp (I reckon it'd fit like a glove)....
Last edited by joz8968; 01 October 2011 at 03:21 PM.
01 October 2011, 07:38 PM
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Yeah, if you pre-clamp that turbo hose to the tank, then you won't let any coolant out (other than what's already between from that point, through to the turbo). Plus it will prevent air from getting in too.
But still 'burp' the system in the normal way when topping up after the VF48 has been installed, as its waterway will be full of air, obviously.
Perhaps you could use a spark plug to bung the turbo coolant pipe instead of a clamp (I reckon it'd fit like a glove)....
But still 'burp' the system in the normal way when topping up after the VF48 has been installed, as its waterway will be full of air, obviously.
Perhaps you could use a spark plug to bung the turbo coolant pipe instead of a clamp (I reckon it'd fit like a glove)....
02 October 2011, 09:14 PM
#26
You should be okay just topping up via the header tank and warming engine up with heater set to hot. As the coolant gets hot it will expand and bubble up a bit (air rising to the top and escaping). Keep topping up and checking that the temp gauge stays constant. Top up for one last time. Use a highly absorbent cloth or airline to soak up/blow away the spilt coolant. Obviously you won;t be able to go for a test drive using boost (unmapped turbo fitted), but it should be okay.
When engine is cold (left overnight) recheck the coolant level and top up as necessary.
When engine is cold (left overnight) recheck the coolant level and top up as necessary.
Last edited by joz8968; 02 October 2011 at 09:19 PM.
02 October 2011, 09:19 PM
#27
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You should be okay just topping up via the header tank and warming engine up with heater set to hot. As the coolant gets hot it will expand and bubble up a bit (air rising to the top and escaping). Keep topping up and checking that the temp gauge stays constant. Top up for one last time. Obviously you won;t be able to go for a test drive using boost (unmapped turbo fitted), but it should be okay.
When engine is cold (left overnight) recheck the coolant level and top up as necessary.
When engine is cold (left overnight) recheck the coolant level and top up as necessary.
02 October 2011, 09:29 PM
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