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Audi 3.0T TFSI PCV, water pump and thermostat how to replace (S4, S5, A4, A6, A7, A8, Q7, SQ5)
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- Опубликовано: 6 авг 2024
- Failures in these parts cause oil consumption and coolant leaks! Step by step how to on replacing these parts. Every bolt, every connector and some adventures along the way.
Part numbers (for 2010 US model, check with your supplier on correct part numbers for year):
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PCV Valve: 06E103547AC
PCV Hose (must be replaced): 06E103213
PCV Breather hose & crimp: 06E103207AM & N10203601
Thermostat: 06E121111AL
Waterpump: 06E121018A
Intake Gasket: 079129717D
Manifold Gaskets: 079129717B
Coolant pipe: 06E121045BD
Coolant temperature sensor: 06A919501A
Coolant sensor clip: 032121142
3.0 V6 24v TFSI (EA837)
Parts code prefix: 06E
ID codes: CAJA, CAKA, CCBA, CMUA
0:00 Intro
0:32 Getting started
1:31 Air box removal
1:58 Vacuum line removal & sensor disconnect
2:40 Belt removal
3:39 Supercharger coolant lines
4:13 Supercharger removal
5:22 Fuel line removal
5:33 Intake removal
7:40 Valve cover breather
8:41 Coolant drain
9:24 Top coolant pipe
11:03 PCV valve removal
11:54 Oil filter housing leak
12:06 Front coolant pipe removal.. Maybe not!
13:36 Engaging service mode
17:38 Front coolant pipe removal take 2
20:19 Thermostat removal
20:36 Water pump removal
22:27 Thermostat and water pump installation
23:23 Front coolant pipe install
25:24 PCV breather install
25:43 Oil filter housing oil leak fix
27:40 PCV valve install
30:06 Injector removal
31:21 What's next?
Thanks man, appreciated all the hard work and detail you put into this video.
My pleasure!
This video is an awesome guide. I'm about to tackle this job0
Thanks!
Very helpful video. I was able to pull the water pump off with out placing the front end in service mode or removing the supercharger. It’s very tight but with the right tools you can get it off with limited removal of items.
That’s fantastic! Nice work :)
You were able to replace the water pump without removing the supercharger? What about the t-stat? My water pump just dumped all the coolant and I'm in emergency repair. I really don't have the time to do the PCV and everything at once. I just need the water pump replaced for now. Please help with any insight. I have a 2015 Q5 TFSI 3.0.
@@mk_ultrarunner I’m waiting for my parts to come in but I didn’t need to pull the supercharger off to remove water pump on 2018 a6. It was a tight squeeze between engine to cooling fans. Not sure how much more space you have in a q5. For t-stat you’re going to definitely need to pull supercharger off. Make sure to use correct size torx but and don’t strip them. Take your time. Best to break water pump pulley bolts loose while belt is still on.
@@andrequiroz4657 Thanks. It's still a tight squeeze but I definitely don't want to put the car in to service mode. Gonna be a real pain with all those coolant lines to remove still. I may just go ahead and remove the supercharger to get the t-stat and water pump done, but the PCV body may have to be a different project for a different day. I suppose if the PCV was the primary issue (I do have a code, but no dash lights), I would go ahead and do everything, but my car is undriveable at the moment.
@@mk_ultrarunnerwhy would putting it in service mode be a hassle? I assume your talking about the bumper, few bolts and it tilts forward. That what you mean?
im going to be undertaking this job very soon for same parts replacement
Let us know how you get on:)
Thank you very much brother mashalla
You are most welcome!
Hey man, really good vid going through that process :) Good detail and pacing, easy to watch. Mines coming up to 85k miles so no doubt will need to attack all this soon.
Good tip about the doors, it priming the fuel pump as they open could definitely catch people out.
Have seen mixed results with injector cleaning on these as people say they cant be flow tested properly afterwards due to the testers not having high enough pressure? So maybe worth getting new ones while you're in there. Will be cool to see the intake cleaning
Just as a couple of extra steps, I'd also clean the leaves out from under the cowling cover, as even though it was vacuumed on top I found a load of leaves under there which could start to build up water.
Also on mine I've had the oil pressure sensors fail. There was actually a TSB on them (2036761/1) and the updated p/n's are:
Top sensor 038919081P
Rear sensor 06E919081G
They're like £30 for both sensors and relatively easy to replace (more room with s/c off but not necessary) and well worth it to do because the low/no oil pressure warnings certainly get your attention the way it beeps madly at you 😂
You da man! Thank you :) It’s funny you should mention injector cleaning. I already have to order two new injectors and I want to see where they are at before ordering the rest. I have found a cheaper OEM option though.
I need to dig more into the leaves and will take a look under the cowl. Thank you!
Really appreciate the kind words. I think I was 50 hours into just the editing alone :D
IIRC the part number for the injectors matches with what VW use on the touareg, and they often have them listed for cheaper as well if it helps :)@@FindingSeconds
Awesome .
Thanks!
The bolts(screws ) # would be awesome
I always use the official Audi site for that. With used vehicles it’s difficult to know if the correct bolt has been installed. Here’s an example from the Audi site with the water pump: parts.audiusa.com/a/Audi_2010_S4-Base-Sedan-30L-V6-AT/67800922__5970142/WATER-PUMP/1399107.html#1
Does a failed pcv valve cause coolant to mix with the engine oil? I had a lot of oil in the cylinder heads I had to remove the spark plugs and crank the engine manually to remove the oil out. I’m also thinking it could be a failed head gasket no too sure! SOMEONE PLEASE HELP ME!
Failed PCV could cause oil/water mix but so could head gasket. Perform a compression test and leak down test before you do anything else. You can also do an exhaust gas test on coolant expansion tank. Is the exhaust smoking at all?
I have a question. My water pump pulley has a wobble on my 2015 Audi S5 and it also squeals. Will replacing this fix these issues?
If the pulley is wobbling it’s either not attached to the water pump correctly or the water pump has failed. Definitely worth checking. Squeals can be caused by many things but a new belt once you have fixed the wobbly pulley should eliminate that.
@@FindingSeconds edit, I was able to determine that the squeal is coming from the supercharger belt. Sheesh
Nice find. Definitely want to replace that one :)
are you excepting to do rapier's ?
Sorry. I’m not sure what you are referring to. Autocorrect issue by chance?
Why if the pcv wasn’t a white top you would have to get the ecu retuned ?
The TSB below has all of the details. Long story short, the older PCV ran the crankcase pressure higher than the new one. It resulted in increased oil consumption. Switching to the new revision the ECU has to be reflashed to stop it throwing a code when it see’s a lower crankcase pressure. Hope that helps!
static.nhtsa.gov/odi/tsbs/2015/MC-10119987-9999.pdf
@@FindingSeconds I have a 2015. Will I need to have my ECU reflashed after a PCV change? TSB refers to a 2009-2012.
Good question and good answer now i know why .
What is the pipe at 25:27 for?
Vacum or coolant?
It's the PCV breather hose. It's connected to the intake via a check valve. So air vs coolant.
@@FindingSeconds thank you
Anytime, thank you for watching :)
Which year is this car on mate? Thank you
2010 :)
@@FindingSeconds are the part numbers work on a s5 b8.5 2013?
Always best to 100% confirm. I checked the PCV valve for example on FCP and parts.audiusa.com. The figment there indicated it was for 2010-2012. Looking for the same part name on the 2013 indicated it there was a newer AH version. This is assuming US model years. Where are you ordering from?
@@FindingSeconds The uk, will it be different? so would be really helpful to know . Thanks a lot!!
I’ve tried looking a few times but I can find a good parts lookup for you. The US model years are slightly different (10 cars were sold in 2009). Also there might be slight variations from region to region due to local regulations. Might be best to call a dealer.
24:40 - did it worked? Cause... It did not hold in my case, haha!
The new OEM bolts held for me :)
@@FindingSeconds I am about coolant temp sensor black pin (which you re-used, old one)
Ah sorry! I thought I found the right time but I failed :( Yes it did work. Did yours break then?
@@FindingSeconds np! What happened is that I lost the new pin(felt down with no trace, haha) and tried adding old back. It sit snug and all looked fine (checked after running idle) until… car heated up and it began not to hold up the sensor(somehow). I am quite positive it was unbroken as well as installed properly (both sides equal, etc). Will try to inspect later today whats an issue and why it did not hold - been doing it without charger off, thus its a pain 🙈
@@FindingSeconds update! It was bent o-ring, not the pin issue :)
Knipex front pliers will take them off
Thanks!
For the PCV pipes?