Turbo noise?

[drf-bro]

Boost stays standard on my Surf! I won't WIND IT UP, as these donks are already stressed to the max without any performance mods.

You can wind it up without screwing up the engine, my friend who's an engineer working with a company that reconditions engines says that engines that are equipped with turbo charging are made thicker and stronger in order to cope with the increase in boost coming from the turbo. So a few PSI wouldn't do much harm.

Cheers
DRF-BRO

[Muzz67]

Timebombs!

These engines self destuct without any fiddling by us, this is obvious from dozens of 'tales of doom' on this forum alone.
I think anyone who tries to get more out of a 2LT or 2LT-E in playing tennis with a live grenade- sooner or later things are gonna get messy.
Our 2LT-E has given many problems, as did the 2C-T we had previously. Meybe Mr Toyota was a bit hasty, releasing engines when they clearly were not fully sorted. Motor companies only recall models as a last resort coz it's ****** humiliating to them, yet many Toyota Deisels have had recalls!

[TonyN]

Thats a bit harsh, Every manufacuturer has problems, remember Ford and the 'exploder' sorrry, Explorer. and when they stopped them blowing up, then the cruise control started turning itself on halfway round corners, then the Firestone tyres started falling apart.

Toyota regually top opwners polls around the world. I've been abusing mine for years, My 1981 Toyota drive train has been putting up with 220hp for 4 years and loves it.

Toyota DID recall and sort the the head problems, if you lived in Japan where the problem was, its not Toyotas fault that many owners didn't take then up on the offer, and just sold the cars abroad to offload them.

The 2.4 is a great motor, with the improved head.

I've had a 18R that had 120.000 on it, a V6 with 106,000 on it, currently a 3.0lt TD and the new Toys 2.4 both have about 75- 80,000 on them.

[Muzz67]

I've got 1 that has done 320 000 km and is exellent, yet the other wagon threw a huge tantrum at 170 000 km, so it looks to me that some are okay and some are still CRAPPY!

[Guest]

I've got 1 that has done 320 000 km and is exellent, yet the other wagon threw a huge tantrum at 170 000 km, so it looks to me that some are okay and some are still CRAPPY!

I think the point is that the same as on any engine, if you up the power you run the risk of shortening the life unless you know what the rest of the engine is like. I think the bottom ends on the 2L/3K engines are generally very strong, however as can be seen from the Japanese sites, a lot of these motors have been driven quite hard, and even worse the rest have just sat in traffic in Tokyo.

Instant dissassembly of the engine can be caused to any engine by putting through more power than it wanted - especially some of the newer ones that get chipped for 30% more power.

I guess you takes your chance if you want the extra power.

Cheers

[paulo]

turbo's

I have a 2.4 td on a 1992 k plate my poroblem is this I have changed all the flters and oil but still I accelerate hard I get shed loads of black smoke sometimes not so bad but mostly yuk.
has anyone got any ideas as to what I can do.
I think it may well be turbo trouble as the only noise I can hear is the viscuss fan as it is faulty.
If anyone has knowledge of this trouble please either reply or e-mail me @ paul.birch@blueyonder.co.uk .

[Koi]

I have a 2.4 td on a 1992 k plate my poroblem is this I have changed all the flters and oil but still I accelerate hard I get shed loads of black smoke sometimes not so bad but mostly yuk.
has anyone got any ideas as to what I can do.
I think it may well be turbo trouble as the only noise I can hear is the viscuss fan as it is faulty.
If anyone has knowledge of this trouble please either reply or e-mail me @ paul.birch@blueyonder.co.uk .

Could be the turbo seals but would then expect it to blow out black smoke all the time. Have you tried a bottle of redex poured in a 1/4 tank of fuel and give it a good blast.
Also take off pipe from turbo which goes over the engine in the metal tube, there will be some oil residue in there if its lots i.e. it pours out then it could well be the turbo seals.
As reported before not all the turbo's whistle, make a noise.

[wibblywobbly]

Black smoke reduced

I too have a K plate 2.4. Mine also smoked like a good un when I got it, and did so for a couple of months. It wasn't until I did almost 1000 miles in 24 hours at motorway speeds across France that it cleared.

These trucks have been well and truly clogged up in Japan, and the only way to get rid of the residue is to burn it out with a good blast.

Not good for the bank balance when the visa bills roll in for the fuel though!!

Cheers

Rob G

[icsys]

Also take off pipe from turbo which goes over the engine in the metal tube, there will be some oil residue in there if its lots i.e. it pours out then it could well be the turbo seals.

Would that be the one that has 'EFI DIESEL' and '-turbo-' on it?

[Guest]

Would that be the one that has 'EFI DIESEL' and '-turbo-' on it?

Yep thats the one, the one that goes from the turbo outlet to the manifold intake.

Cheers

[stara]

No, I think these guys are pulling a leg or two , although my turbo does whistle it isnt supposed to, the whistle is the sound of a slightly worn bearing, when it gets louder you can bet the exhaust smoke will increase in proportion then its time for a rebuild. Theres a marine engineer somehwere on this forum that does it, I reckon he's the one to talk to.

eh? of course turbo's whistle, if a turbo bearing was damaged enough to be able to hear it above the sound of 2500rpm diesel engine then there would be no turbo left (the turbo has an oil bearing, i.e. it 'floats' on a layer of oil, it is not a conventional ball bearing), the whistling is the sound of compressed air, if this is excessive it can indicate an induction leak (check the elbow on the inlet side of the turbo hasn't worn through as it is in contact with the top of the engine, this is fairly common)

[paulo]

Your kind responce

Hi,
Thank you for your responce to my question, I have been putting redex in the tank with every other fill up and given the miles I cover I think I have shares in redex specially at £6.99 a go in fuel stations.
Re giving it large on the motorway well I spend most of my working life on them up and down the country recoverying motors, and the thing that woorries me is not the fuel cost as the AA, & the RAC pay for that but I would rather keep hold of my licence.
I do see your point as when in fifth gear she will start to chuck it out at 80 plus only trouble with that is down the M4 20 miles of that and you get a guardian of your licence.
If anyone knows of a good stretch of road without the static coper please do tell and I will give it a go.
Thought of putting false plates on for the ocation but as I work very closely with the bill probably not a good idea.
I have taken the turbo feed pipe off and yes it had some residue in it but not enough to cause greiff.
I fired some gizer down there and cleaned it out but to no avail.
Thanks again good people, Remember keep your eyes open for that road.
Cheers
Paul.

[Woodie]

eh? of course turbo's whistle, if a turbo bearing was damaged enough to be able to hear it above the sound of 2500rpm diesel engine then there would be no turbo left (the turbo has an oil bearing, i.e. it 'floats' on a layer of oil, it is not a conventional ball bearing), the whistling is the sound of compressed air, if this is excessive it can indicate an induction leak (check the elbow on the inlet side of the turbo hasn't worn through as it is in contact with the top of the engine, this is fairly common)

So does anyone with a turbo that is relatively quiet want to swap it for mine that whistles noticably loudly?

When I was an engine tester for Fords tractors we used to change the 'noisier' turbo's ie, a whistler, and send them back to have the bearing changed, agreed there is always a slight noise but theres a diference between a healthy whoosh and a whiney whistle. Also the 'cooked' ones got sent back for refurb (anything above a dark cherry red glow) you could hear the note change when a dodgy fuel pump cooked one.

The turbo on the new van I drive is very very quiet compared to my surf, I was wondering what make it is and if it might fit

[crusty]

A healthy, well maintained turbo will whistle, plain and simple. I have 2 turbos, the more you boost, the more it whistles. I live in the land of a million imported nissan skylines......they all whistle. My MX6 whistles, my old 200sx turbo whistled, my hilux whistles......TURBOS WHISTLE!
Black smoke is either bad injectors or bad fuel pump timing.

Someone asked,"how do I know my turbo's working?"
Easy, buy a boost gauge.

If you concerned about the condition of the shaft (we don't have a ball bearing turbo) pull the intake off the turbo, spin the compressor wheel with your finger, if it spins freely that's good. Then see if you can wiggle it back and forth to ensure you don't have excessive shaft play (1mm or so is normal)

Quiet new factory turbos are due to rediculously low boost levels ~4psi and better engine bay sound proofing, nothing else.

[Aelf]

I have a lovely whistle accompanied by a spitfire in a dogfight!!!

Can anyone beat that? Would anyone want to?