I TOOK A MASSIVE GAMBLE ON THIS UNSEEN AUDI RSQ3!!... MAD CHEAP!!
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- Опубликовано: 12 мар 2024
- I bought a dirt cheap Audi RSQ3, the aim was if it was knackered I could use the parts to repair my Skoda Octavia VRS3! However is it just worth repairing and selling? What's wrong with it? Why's it so cheap? Lets find out...
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you need to stop doing your car repair's in that hoody or take the strings off look at video at the 21.20 mark them strings could of got wrapped in a fan belt or anything and you could end up dead mark. take the strings out mark ive seen to meany accidents that way
Like you said think it’s oil related think your best bet is to get that checked as well
Has it been through Rufford Ford? 😉
becarefull of your hoodie tie cords when bending over the running engine,i had a scary time when mine got dragged in.
I was thinking that
He lost the fingers to his gloves this way too
If you have never been dragged into an engine or dropped you maul grips onto the starter motor/body of the car are you even a mechanic? 😂
@@maverick4177 😂😂🤡
@@maverick4177 Yes? Because being dangerously careless isn't a requirement except for stupid mechanics?
I would do a oil pressure test, it’s obviously got some but better make sure it’s making enough 🫡
Dean, here's two easy checks to see if it has destroyed a big end without taking it apart - 1) remove all spark plugs - put a long tipped screwdriver onto the piston crown wind engine by hand so piston passes TDC and is just descending - now lean on the screwdriver - if the big end is shot you will get a thunk and feel the piston drop at same time. 2) inset bore scope - if the big end has gone it's likely the piston would have hit the head and the carbon line on the front and rear of the crown will bare witness with a visible line that mirrors the squish margins of the head
Good advice 👍
Dean. Drop the oil and get the filter off and cut it open to check for sparkles. To me, that's a bearing at one end or the other of a rod. I think the sporadic spraying of the oil from the lifters is a symptom of a bigger failure, not the failure itself. And as others have rightly pointed out, tuck your bloody drawstrings away!
Sounds like bottom end to me. Take the oil filter out and check for debris. Also drain and collect the oil so you can have a look if there's any bits in there
Definitely sounded like bottom end on start up...
Little end?
To be 100% sure it’s not the chain, there are specs for the length and VCDS can measure the angles of the cams, can always check those specs to completely negate the chain as a possibility
I love those episode where there is a problem to be solved like this Audi, it gut be anything and to make a journey to find out what the real problem is. When you are buying a car like this one as a sort of blind date, it makes it even more interesting what is cousin the problem. So cant wait to see what you find out !! Nice video as always !!!
Love watching ur videos on VAG and finding ut problems. This one is interesting with the noises. Look forward to the next ones.
Yes, I know the noise. Two cracked hydraulic tappets looked normal on ours, but when pulled they flew apart so no oil arrived and ran dry which caused this noise! But as some have already said, the pump is mechanical, unfortunately I don't know if that's the case then it ticks like that even if it's broken!
Sounds like piston slap to me. I’d be removing the oil filter first and checking for metal shavings and then whipping the sump off and checking the big ends before throwing £300 into hydraulics. My money is on bottom end. Bottom end knock can be very deceiving. Good luck mate. I’m sure you’ll get to the BOTTOM of it. 🤪😂 love the videos btw 👍🏻
Damn I love the in-depth, show everything aspect of your channel Dean. Great to see you on Chris’s channel too. Both awesome to watch.
Love your VAG videos so much. Can’t wait for the RS6 update vid Dean.
Loved the tappets explanation, don’t apologise for your diagram; made perfect sense!
It’s spun a rod bearing like many others have advised. Sump off, check rod bearings. You’ve got this ❤
I know someone who had the exact same issue after a service. Turned out when the garage removed the old oil filter the o ring stayed in there there then distorted when new one was fitted causing oil starvation. Good luck
Listen to the speed of the knock relative to RPM - That gives you best clue ;)
As the noise gets worse as the oil thins it's pretty safe to say It's run a Big End Bearing - A gentle drive down the road and the noise will vary on and off gentle load with the most noise when " floating" between on/off light load as the bearing clearences are closed due to cylinder Pressure/Vacuum on the Rods.
The Owner cooked the oil but good Main Stealer still sold him a service 🤣 Would say he killed it what that Oil pressure fault was logged😉
I agree, I reckon it is big end knocking 👍👍👍
Wow, this was an epic rollercoaster ride! You weren't kidding about this being a gamble. Buying a car unseen with that ticking noise was brave, but good on you for checking everything systematically. Replacing the hydraulic lifters seems like the next logical step, and hopefully that does the trick. Can't wait to see if it fixes the noise in the next video! Also, good catch on taking off the boost pipe to avoid extra fuel in the engine. That was a close one!
Thanks! 🙌🏼
Sounds like a diesel,
Loved the video, great content, really sounds like tappet noise, looking forward to the next one.
Can’t wait to see the solution for this 👍
Watch those tie pulls on your hoodie dangling and getting caught!
😬
Happened to a lad who I work with got his hoodie stuck in the pulley he panicked and got his finger stuck lost half his finger
Great video. Real easy to follow and learn from.
Before you do the tappets check their fuel pump it's mechanical you can get that tappet noise from a fuel pump, I remember the Old polo used to make an awful noise like that it could be a lifter on the fuel pump or something's not right with it. And I would check the oil filter so if it is the correct type and the return valve is working right and make sure you've got the correct oil where you're pointing out the loudest part of the noise is where the fuel pump is so my guess is the fuel pump or the cam to it
that noise is definitely pretty close to the fuel pump
I won’t pretend to be able to begin to diagnose this from my bed but I’m enjoying watching you do it though and hopefully get it sorted out properly next video!
Please check high pressure fuel pump and cam follower, it also may be leaking fuel into the engine explaining that the oil level is slightly increaed. Very common problem with these engine types.
Great video
Look at checking the oil pick up in the sump as well as historical oil pressure fault might be suggesting that's blocked up/restricted
Also what scan tool do you use
Keep up the good work
What a good video mate ,really good interesting and can't wait till next one 👍 awesome mechanic
Loving the content Dean you’re a magician! Although not such a great advert for VAG group engine chocolate teapot springs to mind 😂 looking forward to seeing you solve this one!
loving your work
Thanks Dean, brilliant as usual
Love your chanel mate , you doing great work. Just a quick question what repair manual you using
Maybe try unplugging 1 coil pack at a time and run it, plug back in if no change and move to the next, see if it changes tone or clears, with no detonation may rule out piston slap / bottom end, feel like I've seen this before, same noise, ended up being shells gone, also partially blocked the strainer.
Sounds like little end knocking not tappets do compression test pull oil filter cut open see if bronze in there
Check the rod bearing! I was once chasing also a tappet problem, the sound came from the valve mechanism, but ended beeing a rod bearing issue. This was a 1,9 TDI, but the sound is the same.
Sounds like the timing chain. The noise at the first start up sounded like the chain rattling until the oil pressure buildup. Also I would check the oil pressure.
I'm really enjoying your videos! You mentioned the oil level was overfilled by 200 mil. That could happen if the dealership overfilled it, an injector was leaking, or the car was driven into water deep enough to get sucked in the intake and hydrolocked the engine. The injectors don't seem to be leaking now, though one could have been replaced. Seeing the owner just wanted to dump it, I'd suspect the latter.
Brilliant video dean 👍
Sounds like either a worn gudgeon pin or could possibly be a bent con rod,maybe it’s sucked up some water? Try disconnecting individual coils with the engine running and see if the noise goes away or gets quieter as if it was the hydraulic followers it would make no difference to the noise with the coil pack disconnected 👍🏻
Just gets better loving this I’ve jut bought Octavia 1.6 tdi from copart 🤞🤞
Dean the wizard to chase the issue down. Well done m8
If no sparkles because new oil & filter done defo replace Cam roller bearings & tappers with fuel pump shim, plus if that’s run dry … then complete an oil flush through so galleys are cleared .. new oil & filter then run a manual oil pressure check at idle then 4to 5k to see pressure values .
Everyone with the same noise waiting with baited breath for the resolution,I would change that housing and oil and go from there.
Keep up the great content 👌
Get your garden leaf blower and blow air through the intake system which will evaporate the petrol.
Dean, I think you also need to check the rocker’s . The needle bearings may have collapsed on some off them , just a thought.
Thanks Dean I feel a raffle coming on??👍👍👍
Pull the sump and check the oil strainer as typical VAG issue
Also test the oil pressure valve another common issue
Dean, that's a little end bearing, just had exactly the same thing on my VW crafter, exactly the same noise and symptoms, changed all the lifters, followers and cams and it still made the noise, then stripped the bottom end and 2 of the bushes had come out of the little ends of the rod, one was completely gone and the little end had become elongated causing the knocking noise.
Great video and sure you will sort. 👍👍👍👍
When a sparkplug coil on my Toyota gives way a metal rattle sound is heard from the engine when started, many people I know got a new replacement engine installed when they could have just changed a spark plug coil 🤞✌️
Sounds like my old Mk3 Cortina used to, when the camshaft wanted changing
Looking forward to this Dean.
I had a similar noise on cam follower and high pressure fuel pump
I would check oil pressure with guage before lifters. If oil pressure low within a few miles and new lifters noise will be back soon enough
My old Alfa sounded the exact same, that ended up piston slap. Changed the shells and worked out perfectly. I used a dial gauge and there was 50 microns play, just a thought to test the travel ?
Overfilled by 'at least' 200ml gotta pull the excess out before spending a penny, chased a similar fault around the houses on a motorcycle was convinced in the end it was the cam chain turned out it was overfilled by the owner on the last service, and its free to do 👍
Had similar on a Vauxhall and very typical sound; swapped the lifters and not one iota of difference.
Read a few comments of those saying rod knock/little end. Sounds too slow for that. I took a snipet and slowed it down, counted about 7 or 8 ish taps per second of footage. 420-480 or so taps a minute thats half engine speed at idle, so definately a top end noise. Id hazard a punt at a cracked or siezed tappet
I'd be checking the injectors in that area.
Get rid of the hoodie g strings, i thought of it too when i seen you lean in. You're working on cars now, so get yourself five sets of full-length overalls, and on Sundays wear yellow budge smugglers over the top.
The fact that the oil only squirted from a few of the lifters would say to me that there's either buggered lifters or an overall lack of oil pressure. Now multiple lifters may have failed due to low pressure but as there was a recorded low oil pressure code I'm thinking the pressure releif valve is being problematic. Thick oil on start up makes things quieter and then gets noisy as oil becomes thinner hence reducing pressure. Anyhoo, that's my thoughts.
Great work
Sounds like piston slap, stick a endoscope down the spark plug hole and check the cylinder walls for damage.
Definitely a bottom end rumble on the first start up
Interesting video. Is it worth checking the HPFP follower?
Good luck 🙏 will be a great purchase if its just them 😀😀
Be trying a engine flush ,fresh oil and change the oil filter housing got nothing to loose other than a few quid
Hi mate great video as always btw, what is that computer machine called thats reads all the faults and how would i go about buying one?? Cheers!
I reckon one of the small end bearings is seized to the Conrod or worn into the piston.
Actually sounds like it does have a little chain rattle on start for a few seconds. You can hear it on your initial start and when you started it again in the shop once it was put back together. I don't think it is your main issue however, it sounds like rod knock or a bearing issue. I'd drain the fluid, check for sparkles and then check the oil filter for shavings before spending any more on the lifters.
You Need to do an oil pressure test ! could be a oil pump on the way out
Just a thought, the hydraulic lifters (tappets), will make that noise if the oil is to thick (to high viscosity), could be a good idea to drain the oil and make sure it's the right viscosity 🤔🙂
I had a stuck lifter issue and the sound was very similar. It was clearing when the engine gets up to temp. I used Marvel Mistery Oil and that seems to have fixed it (I've done about 15k miles after the last "cleaning" procedure). It's odd that it's getting worse with the oil getting thinner in your case..
I had the same problem in my 20VT engine
Was the main bearings in crank 21:15
Ricky at re performance is the man to speak to
Failed lifters is my guess as well. They can still feel good on a static test but don't hold pressure when running. Hot thin oil is the clue maybe
Yeah and fresh oil isn’t as thick as the old oil so it’s being pushed out the tappet easier.
VAG Technic is the channel for the low down on the top end / chain issues on these sh it engines 😮
Yeah he's done a few great channel
Took the thought straight out of my mind, he really needs to watch a few of their vid’s about these tfsi engines ticking before wasting money on the wrong parts
VAG T appears to be a Audi specialist
SS appears to be a VW specialist
But We never see a proud & successful SEAT/Skoda specialist 🤔🤔
Yet All are under 1 Umbrella 🤯🤯🤷🏻♂️🤷🏻♂️
That's not great are they,do they all tick after awhile?😢😮🙈🙈👎👎💀👎
@@craigmorgan4676 Vorsprung Durch Technik........Roadside Assistance Required! 🙊🙊
High pressure fuel pump noise that is!!!! 😊
Why dont you check with a bore scope if a piston is not hitting something to be sure? Love your channel!
Great explanation of how a hydraulic tappet works Dean. You failed to mention that Audi roller bearings fail and the needles fall into your engine with disasterous consequences!
Please do not ever divert from explaining what you are doing and why you are doing it like many of the other car RUclipsrs.
Great video as always.
Great video
Lifters nakered possibly been over reved and lifters have popped out.
But who knows could also be top head was starved of oil which caused some damage.
But I'm gonna go with the lifters popped off
Hi Dean, Sounds like its top end .. I'd take the sump down and check that the Teck (LMFAO ) at Audi aint dropped the paper foil thats on the oil bottle down the filler neck .. this in turn would be partially blocking the oil pump strainer.. when looking at the tappets with engine running looked very dry on No 2,3, and 4 cylinder's on the camshafts. the HP fuel pump is also oil fed to the cam... Just seams very strange to have a problem, After a service from Main Dealer.. I'd put money on a partially blocked Oil pump strainer.. Andy ..
Hi. I sold my previous car to copart for salvage. The gear box needed to be replaced. Which was not really worth doing due to the age. It did start run and move forward but because of the gear box synchro problem it wasn't a true runner. Could be somthing simmilar with your car.
When you revved it at the end of the video I had the bang on sound as my golf, mine was the camshaft & bad injector ( what I was told and paid for) not a mechanic.
Sounds like piston slap!
Very interesting video
Don’t worry about cock ups we all make them.
My recent favourite, a friend of a friend (honestly) started his car and ran it with the wheels off the ground to diagnose something. The car detected speed and auto locked the doors…… he only had one key 🤣🤣🤣🤣
These engines are well known for having timing chain noise issues relating to the VVT pulleys, my TTRS has made some similar noises in the past to then not make them again at random intervals on warm starts. Pretty sure the The Turbo Unit made an article on their facebook page pointing out why these cam/VVT sprockets fail. So potentially maybe one of yours isnt getting oil pressure at all creating a rattle. I think there is also a piece of gauze somewhere in the oil channel feed to these VVT pulleys that can also get blocked up with debris stopping it from building oil pressure
Ill bet audi over filled the engine with oil to see if it helped quiet down the noise
im curious to see what you find.
Good luck! 😁
High pressure fuel pump? works much the same as rockers eg shouldn’t have any clearance on cam, so if you have a weak pump pushrod pressure it would sound the same as tappet failure.
Before you sink £300 into new tappets, you could move the ones you suspect are at fault to a different cylinder and see if the noise moves. Cheaper, but more labour it turns out you’re right as you’d have to strip and rebuild twice. I agree with others though, sounds too heavy a knock for tappets (via an iphone speaker atleast!)
Definitely sounds like bottom end related in videos
I'll not covered open turbo ! But cover tappets
Sounds like the engine is knocking. Could be the big end bearings...check the oil and filter for metal shavings
Definitely tappets dean same noise you get from the 4g63 engine. See if they do revised parts as Mitsubishi changed from a 1 mm hole to a 3 mm. maybe remove them get them cleaned could be blocked.
Ahh, Dr Dean I presume!
Whar about pulling the plugs and using the borescope to check the valves ?! Feels like there is more diag you could do before buying parts
I would be doing an oil pressure check before I started taking all the cams out etc. looked like low oil pressure when you were turning the engine over and it gets worse when the oil is warm.
I think you are right
Bring back the awesome music 🎶 from the VR6 engine
Check oil filter for metal sparkles
My monies on Rod knock, big end bearing!!