All Things Mk5 > Performance Modifications
Aftermarket Oil cooler
bobby_fodge:
--- Quote from: Pudding on January 17, 2020, 03:49:11 pm ---Yup! I was surprised by that given my old Corrado VR6 used to sit at 120 degrees most of the time! With a mocal 13 row it dropped to 98ish which was much better, but over winter it struggled to get over 86. Nothing wrong with the setup, it was just too efficient at dumping heat in the colder months. I guess I could have experimented with higher temp sandwich plates but I just gaffer taped a bit of plastic over the cooler instead :grin:
--- End quote ---
I've just today bought one online. I keep getting oil pressure warnings when my oil pressure is 20 psi at 1.5 rpm. I'm wondering if my oil is getting too hot and too thin which is the cause of the low pressure. Also bought a compression tester.
pudding:
Pressure does indeed reduce when the oil thins out, but not that much. 20psi at 1500rpm sounds a bit low but I don't know what the specs are for a TFSI engine. 2 bar at hot idle is normal though, so you're 10psi short. Have you got VCDS? I think you can read the oil temp with that. I'd be surprised if it's higher than 100 deg this time of year.
Are you sure it's not just the classic pick up pipe blockage issue? You shouldn't ever get pressure warning lights on the dash, even when the oil is roasting hot.....unless the pressure sensor has gone bad.
GVK:
2 bar at hot idle -2000 rpm is the spec (for most VW engines it seems!)
I think the OP has had a few repairs/ issues with this from the various posts.
https://www.mk5golfgti.co.uk/forum/index.php/topic,123746.0.html
bobby_fodge:
--- Quote from: Pudding on January 17, 2020, 04:05:27 pm ---Pressure does indeed reduce when the oil thins out, but not that much. 20psi at 1500rpm sounds a bit low but I don't know what the specs are for a TFSI engine. 2 bar at hot idle is normal though, so you're 10psi short. Have you got VCDS? I think you can read the oil temp with that. I'd be surprised if it's higher than 100 deg this time of year.
Are you sure it's not just the classic pick up pipe blockage issue? You shouldn't ever get pressure warning lights on the dash, even when the oil is roasting hot.....unless the pressure sensor has gone bad.
--- End quote ---
I do have VCDS. Do you know where in it to check the oil temp.
The pick up, oil pump and oil pressure sensor were replaced at Xmas.
My wallet is starting to hate the golf.
pudding:
I can't remember which measuring block it is. If you pull up the advanced measuring blocks list, it should be in there somewhere.
Do you get any clattering noises from the engine? Hydraulic lifters and chain tensioners aren't fond of low oil pressure.
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