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Oil radiator installation. Possible troubleshooting solutions?
- Thread starter Alvaro.G
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‘Cool’ that it works.
I do think a 102c stat (or higher) would be better tbo. With an outside temp of 22c + some spirited driving, 95c is on the cool side imo. The normal 100 - 105c range is perfect. Ideally you’d want the cooler to work when the oil temp goes towards 115c and up.Does it take the engine longer to warm up now? (something you definitely don’t want)
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No, the engine warms up just like normal.‘Cool’ that it works.
Does it take the engine longer to warm up now? (something you definitely don’t want)
Regarding the oil temp: When I drive my BMW or my mate's RS3 the normal operating temps are around 95 degrees so i guess that's in the safe range, in essence i fitted the oil cooler for towing my caravan in summer so it will absolutely be 20 degrees higher in that case..
Just driven 500+ miles to and from Cornwall this weekend. I would say my 80d swp, which I am fully aware is not the right temp, is definely overcooling up to 100d. I fact you really have to go mad to get it to 100d now. Cooler is defo working where it is. 102 swp will be interesting when I get it
Agreed, 80 C is just too cold.
Good Morning comrades
So I get the van running last night
I need to carry out the VCDS bleeding process this morning then get it run up to temperature, and eventually a few short drives.
I’ll also set the oil pressure to the new engine setting (4 Bar) to ensure there are no leaks before I put the bumper back on
I completely underestimated how much more oil it would take to fill with the additional pipework, I think it took about 3L, which is didn’t realise til it had been running for a few minutes after checking the dip stick.
Once its had a few short drives, it’ll be getting an engine and DSG oil service to be sure there’s no muck left in the system from cutting the pipes, I blew the out with an airline before fitting but there will still be traces of it on there.
Oil take off plate with the front boss milled off completely, and the rear milled down to the height of the front one, 5mm
Pipework from the thermostat fitted to the side of the battery compartment.
Rads back on and cooler offered up into its position.
Note the splash guard to the left has been cut out carefully to allow the 150 degrees elbow to fit nicely
Right hand side cooler take off almost inline with the remote thermostat
Pipework completed and fitted to check clearances.
See how the top thermostat outlet is almost strait, ideally I think this would take a 30 degrees elbow, but I’m being impatient so went ahead and made the pipe up.
I fitted the heat shrink abrasion resistant sleaving to the two pipes to and from the cooler, the rears didn’t need it.
All torqued up and ready to fit the expansion vessel and fire her up for the first time in 2 months
So I get the van running last night
I need to carry out the VCDS bleeding process this morning then get it run up to temperature, and eventually a few short drives.
I’ll also set the oil pressure to the new engine setting (4 Bar) to ensure there are no leaks before I put the bumper back on
I completely underestimated how much more oil it would take to fill with the additional pipework, I think it took about 3L, which is didn’t realise til it had been running for a few minutes after checking the dip stick.
Once its had a few short drives, it’ll be getting an engine and DSG oil service to be sure there’s no muck left in the system from cutting the pipes, I blew the out with an airline before fitting but there will still be traces of it on there.
Oil take off plate with the front boss milled off completely, and the rear milled down to the height of the front one, 5mm
Pipework from the thermostat fitted to the side of the battery compartment.
Rads back on and cooler offered up into its position.
Note the splash guard to the left has been cut out carefully to allow the 150 degrees elbow to fit nicely
Right hand side cooler take off almost inline with the remote thermostat
Pipework completed and fitted to check clearances.
See how the top thermostat outlet is almost strait, ideally I think this would take a 30 degrees elbow, but I’m being impatient so went ahead and made the pipe up.
I fitted the heat shrink abrasion resistant sleaving to the two pipes to and from the cooler, the rears didn’t need it.
All torqued up and ready to fit the expansion vessel and fire her up for the first time in 2 months
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Impressive work! 
I’m curious to hear (ok read) how the oil temp behaves now during warm up, normal riding and under high load.
I’m curious to hear (ok read) how the oil temp behaves now during warm up, normal riding and under high load.
It’s taken some doing!!
Main issue was the oil take off plate, the only one that fits was a MK7 MQB platform item from Darkside, but that caused further clearance issues, I found an engine builder locally who machined the bosses down to accept the banjo swivels and clear the hard plastic engine coolant intakes, then it’s been an endless supply of parts from HEL performance and delivery times.
There is a slight whine, but from my understanding this is fairly common and goes away completely once warm.
With running it up to temp on the drive, I’ve found that the oil warms up much quicker, it actually pulls the coolant up quicker too, it’s only been on tick over so no real tests just yet, it’s just had the DSG oil and filter changed, and today it’s getting its Haldex oil changed, going to remover the pump to clean the filter too, some of the photos of the filters I've seen are terrible!
I’m almost done, I get the bumper on yesterday, but found that I had fitted it incorrectly last night, Doh!
So that’s on today list of things to do, I also have a screen wash leak to sort.
Main issue was the oil take off plate, the only one that fits was a MK7 MQB platform item from Darkside, but that caused further clearance issues, I found an engine builder locally who machined the bosses down to accept the banjo swivels and clear the hard plastic engine coolant intakes, then it’s been an endless supply of parts from HEL performance and delivery times.
There is a slight whine, but from my understanding this is fairly common and goes away completely once warm.
With running it up to temp on the drive, I’ve found that the oil warms up much quicker, it actually pulls the coolant up quicker too, it’s only been on tick over so no real tests just yet, it’s just had the DSG oil and filter changed, and today it’s getting its Haldex oil changed, going to remover the pump to clean the filter too, some of the photos of the filters I've seen are terrible!
I’m almost done, I get the bumper on yesterday, but found that I had fitted it incorrectly last night, Doh!
So that’s on today list of things to do, I also have a screen wash leak to sort.
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This week I had a fairly long trip (no towing)) with 28 to 30 degrees ambient temps outside where the oil would normally reach 120c easily, now it did reach 100c for a very short time but most of the time it was 97c.
I assume that when i'm towing my caravan this summer oil temp will not exceed 120c but i'll report back when we are on holiday.
I think I'll be just fine this summer
I assume that when i'm towing my caravan this summer oil temp will not exceed 120c but i'll report back when we are on holiday.
I think I'll be just fine this summer
So today I realised I cocked up the DSG oil change, I forgot to drain the mechatronics side of the DSG, so I’ve just ordered some more oil, another £65 down the pan.
The Haldex oil arrived today, but I think I’ll do that when I do the DSG again.
Once it’s done properly, it will be getting the engine, DSG & 4Motion remap to get it all straitened out and hopefully get a bit more torque too, 250bhp is plenty, but I want as much torque as I can get me hands on to make light of dragging this lump of a caravan up the hills on the way out of the docks at Santander next year.
Our main summer holiday this year is in 2 weeks, we are towing from Derby to Newquay, just shy of 300mi and it should be pretty warm too, so it will be getting a baptism of fire.
I’ll hopefully be reporting back with good news.
The Haldex oil arrived today, but I think I’ll do that when I do the DSG again.
Once it’s done properly, it will be getting the engine, DSG & 4Motion remap to get it all straitened out and hopefully get a bit more torque too, 250bhp is plenty, but I want as much torque as I can get me hands on to make light of dragging this lump of a caravan up the hills on the way out of the docks at Santander next year.
Our main summer holiday this year is in 2 weeks, we are towing from Derby to Newquay, just shy of 300mi and it should be pretty warm too, so it will be getting a baptism of fire.
I’ll hopefully be reporting back with good news.
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My can of worms is empty… I finally got the van back in one piece after 2 months.
It’s taken some doing, mostly in evenings once the kids are in bed.
I’ve just returned from my shake down drive, started off really general to allow everything to warm up to full working temperature, the oil warms up a hell of a lot quicker, which in turn pulls the coolant temperature up faster too.
Then I went for a run along the A50, normal cruising oil temp was around 115 +/- 5 degrees, it’s now fairly solid at 97, I gave it some abuse too and absolutely flat out, I only just got the oil temp to show 105, where it would normally be at 120+ in danger territory.
The van is a lot smoother now it’s had a full fluid change, it also feels like it has more torque too.
It will be dropped off at my tuners on Monday afternoon where it will stay for the week, I’m looking forward to the end result, we’re off towing our caravan to Newquay in a few weeks, that will be its first proper test.
It’s taken some doing, mostly in evenings once the kids are in bed.
I’ve just returned from my shake down drive, started off really general to allow everything to warm up to full working temperature, the oil warms up a hell of a lot quicker, which in turn pulls the coolant temperature up faster too.
Then I went for a run along the A50, normal cruising oil temp was around 115 +/- 5 degrees, it’s now fairly solid at 97, I gave it some abuse too and absolutely flat out, I only just got the oil temp to show 105, where it would normally be at 120+ in danger territory.
The van is a lot smoother now it’s had a full fluid change, it also feels like it has more torque too.
It will be dropped off at my tuners on Monday afternoon where it will stay for the week, I’m looking forward to the end result, we’re off towing our caravan to Newquay in a few weeks, that will be its first proper test.
Interesting, why would oil and coolant warm up quicker? Unless the engine started doing DPF regen? The exhaust gas temperature a kind of suggests ongoing DPF regen or doing 100 mph. Any numbers before and after - minutes & seconds vs. temperatures?
Which Car Scanner connection profile you are using - as from factory CXEB engine doesn't have a sensor to measure oil pressure - just two on/off switches for oil pressure?
or
I think the oil warms up much quicker as it’s not being cooled by cold coolant, I noticed it used to stay gold for ages then it would raise quite quickly once the coolant was up to temperature and the thermostat opens.
It’s no longer cooled by engine coolant at all.
I think it was “trying” to do a regen, which may have caused a particularly quicker warm up, and I may or may not have been driving a little bit over the limit…
I have an OBD Link MX, I’m using it with car scanner, and I’m using the profile you suggested in another topic.
See phot attached.
I’m happy to try other profiles.
From the back side of the upper grill to the front of the AC condenser, at the bottom is about 150mm, At the top of the upper grill is about 100mm.
There’s more space available in the centre as the bumper it further away.
My oil cooler is about 40mm deep at the joint fro cooling core to the end tanks, the core is about 30mm deep
Drivers side
Drivers side
Passenger side
Passenger side
There’s more space available in the centre as the bumper it further away.
My oil cooler is about 40mm deep at the joint fro cooling core to the end tanks, the core is about 30mm deep
Drivers side
Drivers side
Passenger side
Passenger side
Good afternoon all
Though I would report back to you with the findings from my recent 2 week holiday with the caravan on the back.
We tower it from near burton on Trent to Hendra holiday park just outside Newquay, 300mi each way.
First off we did it on a tank of fuel with 120mi remaining when we arrived to site, a drastic improvement over our previous trips, average was 23.7mpg.
Secondly, the oil temps where pretty solid at around 97, till one of the A30’s many hills turned up, which raised the oil temps to 115 C which was the absolute highest tempt seen, that was recorded on our drive home today, but it soon dropped back down to 100 C in no time at all.
I’m going to have the DSG remap removed, I prefer the characteristics of the VW gearbox shifting map, it seemed to prefer to struggle like buggery in 7th, then drop 2 gears to 5th and rev its nuts off, I found it better to pull the selector into manual and drop it into 6th when the next hill come up.
The exhaust temp was raised to 850 C which I will be having increased to 900 C on the coming weeks, on one of the monster hills today where we recorded the 115 C oil temp, the exhaust gas temp was pinned to 850 C and the van run out of power as the ecu was trimming the fuel to prevent over temperature, we still made it to the quoted 65 + a few extra to make a safe overtake of a cyclist…
Though I would report back to you with the findings from my recent 2 week holiday with the caravan on the back.
We tower it from near burton on Trent to Hendra holiday park just outside Newquay, 300mi each way.
First off we did it on a tank of fuel with 120mi remaining when we arrived to site, a drastic improvement over our previous trips, average was 23.7mpg.
Secondly, the oil temps where pretty solid at around 97, till one of the A30’s many hills turned up, which raised the oil temps to 115 C which was the absolute highest tempt seen, that was recorded on our drive home today, but it soon dropped back down to 100 C in no time at all.
I’m going to have the DSG remap removed, I prefer the characteristics of the VW gearbox shifting map, it seemed to prefer to struggle like buggery in 7th, then drop 2 gears to 5th and rev its nuts off, I found it better to pull the selector into manual and drop it into 6th when the next hill come up.
The exhaust temp was raised to 850 C which I will be having increased to 900 C on the coming weeks, on one of the monster hills today where we recorded the 115 C oil temp, the exhaust gas temp was pinned to 850 C and the van run out of power as the ecu was trimming the fuel to prevent over temperature, we still made it to the quoted 65 + a few extra to make a safe overtake of a cyclist…
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I only have seen exhaust temps that high when my DPF was stuffed. I watch it all the time. I have seen 130 on the oil temp on my trip to and from Italy, fully laded and very hot. Still not seen exhaust temp that high though even when regening
It was a VERY steep and long hill, we almost come to a complete stop at the bottom of the hill where a car was turning off at a junction, heavily laden van and 2 tonne caravan on the back.
This leads me toward new injectors, glow plugs, and try to get to the turbo compressor/ impeller shaft to feel for any movement side to side and fore and aft, from there I can start looking at my next steps.
I think a borescope has become a more immediate purchase to check the bores for ware.
This leads me toward new injectors, glow plugs, and try to get to the turbo compressor/ impeller shaft to feel for any movement side to side and fore and aft, from there I can start looking at my next steps.
I think a borescope has become a more immediate purchase to check the bores for ware.
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