Compression Testing The Astra!
Автокөліктер мен көлік құралдары
Time to compression test the engine to see if we have good compression..
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Пікірлер: 153
What a difference the quick wash made on the Astra it came up a treat nice job and good video mate 👍
you have a good eye for filming.. your angles are really interesting.. you make washing a car watchable.. keep up the great work
I sure hope this wasn’t during the hose pipe ban you naughty lad
@craigemblem3562
6 жыл бұрын
itsLeeLockwood no hose pipe ban this way.
@alexstewart2534
6 жыл бұрын
itsLeeLockwood Lee Lockwood my lad
@samuelspencer2086
6 жыл бұрын
itsLeeLockwood yes lad I dont care about the hose pipe ban I’m going to wash my car in about 10-20 mins 👍👍👍
@Scrubworks
6 жыл бұрын
Make sure you don't have any nosy neighbours. If they report you it's a £1000 fine.
@Alexander_Meyer
6 жыл бұрын
The ban is there for a reason..
Best KZreadr I have to say for me. You spend the bucks where necessary and go the cheapo way when you can. Looking forward to more of your videos, a new sub from me!
Really enjoy your videos
Think your diagnosis is pretty spot on James! Wheels look mint too :)
Those astra wheels looked good on the corsa. Filled out arch nicely.
Really looking forward to this project. Great vid. Ignore the silly comments, great choice of car to work on. The astra’s are ace.
Keep up the good work my friend, i too have a mk4 astra sxi, 1.6 16v mines a 5 door tho, will send you some pics 👍🏼
Spoiler looks nice and smart!
I would say the bottom end is fine too, It would be well worth taking the head off and getting a good look at the head gasket and head. The slightly "high" compression was probably due to residue oil leaking into the combustion chamber. Best of luck though!
James, was in Halfords yesterday (yeah, I know) and they have 1 gallon cans of cleaning products that actually aren’t that expensive for things like wheel cleaner and degreaser etc. Worth a look. Haven’t looked online but you could probably get it cheaper there too..
Looking forward to see the next one
this was so satisfying to watch with the dirty car getting really clean haha
If you have compressed air and a tyre inflator you can test the valves and rings by listening for the compressed air coming out the inlet manifold and or exhaust. You can do it by using the flexi hose from the compression testing kit in place of the tyre inflator one, you can also see the pressure from the gauge. I dont wanna be negative but a thought that no one else has said yet maybe the head could be damage (not as likely but could be an issue) not sure how common issues like that are on vauxhalls
Did you sort out fiesta check engine light ????????
Have you checked the oil level if has too much it will be forced into the cylinders
@jasonwilliams4212
6 жыл бұрын
barry fuller if there was 2 much oil it would cause it to go through the breather at the top of the engine and will go into the intake manifold. Could be a possibility that’s it is over filled.
Gotta hand it to you for taking the time and effort for getting the good shots, even when cleaning the car people don't realise you have to set the whole shot up, place the camera on the wall and record the clip. Set the next shot up. Think about what shots are good and what didn't work, edit them all. It's what good content is about my man, p.s I had a MK4 astra 2.0 Sri turbo which had similar wheels to the Corsa they may have been a bit bigger though
I bet the previous owner changed the valve stem seals but forced them on too hard so the spring on top of them stretched and they are no longer sealing the valve stem. Like yourself, i enjoy working on vauxhalls, looking forward to the next video to see if im right. 👍👍 Excellent channel and well produced videos. All the best
The compression readings are fine and they're all within 10% of each other. You might as well change the timing belt and water pump while the head is off. You can get these parts for a reasonable price from Autovaux or a decent motor factor.
Dude I just bought a 2.0 DTi SRi it was a one lady owner for 13 years .It needed a GTX Magnatec oil channge Filters change .a good Redex treatment The car was asthmatic and now its perked up. Loving it ..and Ive had Saab 9000 Turbo, Alfa 164 V6, LS400, 560 SEC every car is different You just keep enjoying yourself Ignore the negative doom mongers Say happy and keep smiling
Was the engine hot and did you test at WOT? Excess oil in the cylinders will lead to high compression readings, which is why you add oil in a low compression situation to verify rings. It's a dynamic test (engine rotating) it only shows peak pressure achieved, doesn't show losses. Really need to do a static leak-down test to see any losses. Also, given the oil burning, you may want to vacuum test the intake when running to verify guides are not worn. The oil in the coolant could just be residual from previous repair, especially if it's not mixing in the engine block (Mayo in the cap / dip stick).
Buy k-seal worked for me mine was like that 5 month ago and perefect now revs are perfect no warning lights just passed mot. Vectra 1.8 Sri 2006 facelift!
Top tip: Buy carplan trade valet high foam wash from Halfords (or Amazon), it's the same stuff as demon foam, but you get more of it for the same price (although you'll need a foam cannon - or reuse the demon foam one).
200-250 is about right for a petrol engine depending on the make.it would seem like it’s a head issue like the valves or possible headgasket as white smoke is normally associated with headgasket issues plus the coolant has oil mixed with it which also points towards the headgasket
@samuelspencer2086
6 жыл бұрын
Solid Diagnostics my bad I was thinking of when I did a compression test on a bad engine on my fiesta I’ll change it 👍
@mikeburnitt403
6 жыл бұрын
White smoke is a sign of burning oil, it doent give a clue as to how the oil is getting into the combustion chamber, as this is the Z16XE engine I will bet it is the oil control rings, a very common fault on this engine.
Where did you get the gasket set mate? I have a 1.4 16v and could do with new gasket and valve seals. Could you put a link please?
Theres a crack in the head in the inlet and its letting oil when on intake stoke and thats why it still has compression.....just my opinion tho so might be wrong :)
Love the videos and would love to see a vw polo 6n2 1.0 project into 1.6 gti
From same City as me, I'll keep eye out when its on the road
If the engine burns oil, due to worn rings and cylinders, you would have a lower compression, even with the oil that passes trough the worn parts. Your problem is the head, or gasket. Head can be warped, or cracked. You probably have worn valve guides, and possibly bad valve seals, or just a bad head gasket. Only pulling the head will give you an answer. In some cases getting a rebuilt head, or even a NOS head is cheaper than dealing with stuff someone else took apart and failed again.
How long did the pressure stay on?
The spark plug part reminded me of your old corsa video
Your quick clean is the equivalent of an intensive clean for me 😁 Cover ya neck up mate out in all the heat/sun 👍
The wheels look good with the swap just keep it like that
Cracked HG, pretty easy to do on those.
Whats up with a Focus fog lamps? I have 06 Focus wagon, and i want to put fog lamps in it too. Want to know, if it works or not.
have you pulled out fuel pump relay during compression test?
Hey man... so how come you got a good compression test when the rings turned out to be the problem? 🤨. New sub here, loving your work.
Top end rebuild my friend that bottom ends looks ok to me
valve oil seals?
Seen it before at work where the head gasket has gone between the coolant jacket and the oil gallery. Could be the same issue
Its defo the head gasket mate, make sure you clean the timing chain cover and get a new timing chain at it too, youll find out when you strip it down
@Phil-1969
6 жыл бұрын
Wais Kuba it’s a cam-belt no chain
Think the gsi half leather seats would be a nice touch 👌👌
My toolbox needs some Stickers dude!! When they next in?
I bet the head gasket is on backwards
@therealchayd
6 жыл бұрын
lol! Honest mistake
Oil control rings pull pistons out they will be gummed up easy fix it doesn’t show up on compo or cyl leakage test. Rings gummed don’t wipe oil off bore on down stroke.
@99domini99
6 жыл бұрын
Yup, same happened in my Ford Duratec engine. Burns a crapton of oil, but it still doesn't explain the oil in the coolant reservoir, I'm still guessing it's head problems. Either the head gasket was improperly installed or the head rebuilt was done wrong.
oil cooler?
The Astra wheels be nice in black with abit smaller tyre and with the Astra you should paint the black bits silver when you do touch the car up 🔥
Notification squad 👍👍👍
change the headgasket and change pistonrings, and check the valves
Remember about planing head gasket when you fix it
Curious!
some difference from before/after cleaning :o
Check your spark plug /valve cover gaskets. If oil is getting into the spark plugs the spark plug o ring gaskets are bad and oil is seaping into the spark plug.
Hi,after a good wash and scrub up it really looks smart,cant wait for the next one,im intrigued to find out what it is.
Good work mate, could be a headgasket failure between oil and coolant channels. Looking forward to the head removal stuff. :)
@lux1469
6 жыл бұрын
not a mechanic but how would that failure produce the smoke... i thought smoking was piston rings
@Nugetto
6 жыл бұрын
You're correct, that would not produce the smoke. But it would allow oil and coolant to mix like seen in the video. Smoking can be a number of things including the rings, we'll see what is revealed after the head is taken off.
need to do a leak down test
As I posted on the other video it will be the oil control rings that have gone, that head has already been off and had the valves cleaned and probably new stem seals fitted which didnt cure the problem hence the previous owner losing interest, pull the sump off and take a piston out, the oil control ring will fall apart. The coolant circulating into the expansion bottle is normal.
Oil cooler? May explain oil in the water.
It's the valve stem seals, they're letting oil past them. Head off, rebuild with new stem seals and it should be good to go :)
So much for simonize☺
normal compression is about 240psi on them, yours is fine. you would be best to do a cylinder leak down test!
Worth just changing the headgasket and go from the
Check the oil cooler if that fails that can make the oil go into the coolant and burn oil have a look at that first
@zedman442
6 жыл бұрын
Fifthgear08 this is defo one thing to check. Had some VAG engines do this too.
@Fifthgear08
6 жыл бұрын
Zed Man yes had the same problem on my dad's Audi a4 though it was heafgasket but lucky turned out to be oil cooler and was running fine ever since it's good to check don't want to do all that hard work only to find that the problem is still present
Didn’t know you are from Norwich!
Your corsa wheel dont look good on the astra but the corsa with any wheels look good tho
Looks like you raided a Halfords for your car wash kit. Did you claybar all the car?
@louisjames1062
6 жыл бұрын
Paul Nicholas so why wouldn’t you buy car cleaning gear from Halfords??? I use meguires from Halfords, does job fine. Same as if I bought it from internet
Cheaper and easier to chuck replacement engine in. Saab turbo from older 93 would drop in nice
Get a vauxhall z20let engine up-rate the brakes job done
Definitely head gasket mate, judging by that coolant bottle, I work on rovers I should know 😂
@therealchayd
6 жыл бұрын
The K series claimed another victim, i see....
@jemsleyemsley8383
6 жыл бұрын
tomahawk224 who works on Rovers no Rovers left you just come
@jemsleyemsley8383
6 жыл бұрын
What a idiot
@Zephieish
6 жыл бұрын
Jemsley Emsley Plenty of Rovers and MG's about.. also loads of cars use the K series.
@Theanimalsquad1
6 жыл бұрын
I’m specialise in them, I tend to rebuild more of them than I do the gasket on, they’re lovely cars and very reliable once it’s done, plus they love to rev too
Given a few of the plugs are oily unless someone did a really bad job with all the valve stem seals then i'd lean more towards utterly wrecked piston rings.
could be piston rings letting oil down the cylinders
Good compression + oily plugs = stem seals in my opinion.
Looks like either valve stem oil seals, cylinder head gasket or it's possible the head is cracked. Can't believe how dirty that car was inside!
Valve stem seals
Those corsa wheels look well on the Astra
Got to be careful switching wheels because of the offset. Also can make your speedo inaccurate not good for gatso vans haha. If the previous owner cleaned it like that he would have wanted more money. Where there's muck there's money. Probably not cleaned the surface area of the head properly or/and torqued up the tightening sequence incorrectly. Good video be interesting what it turns out to be.
if you asked me he did a fine job it looked nice
Once the head is off at least pop one piston out and check condition of oil control rings as precaution. Unless whoever did the job before totally forgot to put the stem seals back in 😂
Much easier James to put a second hand head on probaly cheaper two.
I found a cheap 2.2 engine for you mate for 75 pounds that runs perfect if your interested i can look into it for ya 👍
@vinegar008
6 жыл бұрын
Not sure engine swap is something that he wants to deal with. I mean, his Corsa had an engine swap and look where it is (had to get tow away in order for it inspected, certificated then long waits from DVLA).
@CarGuyLife
6 жыл бұрын
Vincent Ng he did say he might be interested and something he might look into doing it as i asked him on live video 👍
try angelwax cleaning products there stuff is amazing mate can get it on amazon
Do a GSI replica
You needed to run the engine to burn off the oil, then do the strip-down to test the cylinder pressures. That way you've burned off the oil and you can do the test...
👌🏻👌🏻
Well, it's a ecotec. Stuck piston rings..
I bet you have a cracked head especially if you say its had a head gasket replaced before you bought the car, There was blue and white smoke when you reved up the car in your last video. A good compression test does not rule out gummed up piston rings. You get better results with compression tests when looking for bad or bent valves which in my opinion are fine. When valve stem seals are worn vehicles only usually smoke on first startup not all the time like it was in your video that was some smoke lol. You have 2 problems get the head sorted and get a pressure test done on it and while your in there drop your sump and get your piston rings replaced and get your bores re honed, its an ecotec engine afterall which you should no has serious problems with burning oil.
Leave the wheels as they were 😎
@nathangibson8066
6 жыл бұрын
I'd leave them but spray the Astra ones black. Black wheels on silver cars are nice
Any 1.6 is
The astral wheels look a lot better.
you can have good compression but maby worn out olirings.... or ther stuck..
Piston rings require replacing !!!
No for switching the wheels . Astra wheels look miles better on the Astra while waiting for the OPC's.
Strip it and track it
Z20 LEH
z20let
Head gasket is gone
X16XEL engine. must a 4-pin candle be? Отправить отзыв
Cylinders will be full of oil causing the high compression.
Really good videos mate but please change the musicccc😩😩