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Hello ive got a vw golf v5 2.3L which ive had for 6 months ive driven it for about a week or so then put it in my garage and ive noticed that there is water getting into the system under the oil cap i dont no how it has happened because ive not driven it for about 4 months and it was ok befor that. thanks
Though not a VW, I had the same issue with my '97 Firebird LT1 V8. I finally got it to stop this by swapping out the factory 180 degree thermostat for a 195. Lets it evaporate that moisture better. Now there is zero moisture under the cap. Before, I was wiping the cap out every day.
With it sitting for so long, moisture and condensation built up under the cap, change the oil, and have the pcv checked if equipped with one.Wipe the cap off and see if it returns after driving it for a few days, if it does, then you might have a bad head gasket.
If you check the oil dipstick and the oil is clean, not milky , then the problem is simple. Condensation under the oil cap is normal on vehicle that are not driven often or do not get up to temperature. If the engine is not used then the moisture in the air collects at the high point of the engine. You can leave the oil cap loose if the vehicle is to be stores for a long period of time,This should help .
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if you had a oil leak that is not a reason for a head gasket or skimming the head. now the compression and voluum in the head has changed a lot. all it being a turbo wow :( sorry. those engine leak a lot of oil through the turbo seal
Is it a VW specialist? Ask them to put it on VAGCOM equipment (it's a software program which can connect to the ECU by a cable which plugs under the dash. If they don't have it or just generic software with less functionality, go to a VW specialist (independent if possible it'll be cheaper) and it should help identify the issues. Stalling at 30mph is scary
Get someone to check oil pressure with a mechanical gauge, to verify whether you have oil pressure or not. These engine/vehicles, have 2 warning sensors & a control module in the instrument panel. Once you know you have pressure for sure, then you can proceed from there.
100% sure it shows one of your cylinder compression is weak, please do a compression test to isolate the problem and get the head/pistons checked . This is a known problem with VW/Skoda 1.2 3 cylinder mills..
Whts RAC? And way too hard to put on wrong. 1 worn out idler pully 2 worn out belt 3worn out tensione 4 worn out alternator 5 Something holding any of this down broke loose
I get that too. Also thought it was the boots. Have yu checked under the engine? It might be an issue with your gearbox leaking oil. I haven't found my exact problem yet.
My car has now been sorted. Turns out it was a problem with the feul pump. cost another £200 to get everything done but its been running fine for a few weeks now.
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