Diesel engine health

[Mirza967]

I overhauled daewoo racer and only engine parts geniune had costed me 50000 ....if I used copy parts......it would have been 27000 rupees

[Xulfiqar]

but daewoo racer is so extemely simple that anyone can do it even with sleep deprivation.

[Mirza967]

Hahaha that's why I overhauled her myself but parts prices have really been hiked up due to rupees devaluation

[Xulfiqar]

true - rupee is trash now.

it was really funny watching local mechanics scratch their heads when trying to redo the valves on it.

[Mirza967]

Hahahaha.....they just can't understand the valve lash and cam follower mechanism........

[Xulfiqar]

while mitsubishi also had them.

makes it more funny.

[ktech786]

With due respect.
No one overhauls there cars engine in 1st world countries(except for classic or project cars.and that is extremely expensive ,you yourself do that high level work,and that requires that gift of knowledge that mashallah you have,)because that will bankrupt them.
Even in India no one use these obsolete cars.
So people have to rely on the (andho may Kaana raja).so keep there prize bond running .
Otherwise I completely agree with you in all respects.
Here mechanics can't fix a 2c Diesel engine.

[Xulfiqar]

in 1st world countries, engines are overhauled - specially for trucks like land cruisers as they are rare. On the other end of spectrum can be a chevy 3800 - you can buy it at a karyana store too - its rebuilt crates are always 100% (everyone in USA along with their dada/perdada, their mother in law, her horse, the horses girlfriend knows how to make a chevy 3800 work)

You have choices though, you can buy a built up crate engine or get a mechanic (not parts changer) to rebuild it at a machine shop. Some machine shops here give you a turnkey solution too, they will remove and rebuild it for you.

My experience with built up crate engine has been dodgy - got a mazda MZR with wrong pistons in it causing the CR to be 12:1 (knock knock) - another was a jag/mazda/ford duratec 3.0 with an oil pump that would not prime. its a 50% chance its going to be ok.

engine rebuild is slightly expensive than the above - takes time, but the good thing is that mechanic is in control/infront of everything. You need to pay for a good mechanic, not a parts changer - that always results in bad news.

[tintin1]

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[Xulfiqar]

that person who spent 10K, needs to get his life in order, there are a few professionals that everyone should have access numbers to - these are found by looking/conversing etc.

doctor, dentist, lawyer, optician, tailor, electrician, plumber, mechanic, grocery supply, green grocer, butcher, milk supply etc. etc.

these items are not to be shopped around testing the waters - find one and stick to it. They maybe expensive - but its the cost of not having headaches.

[ktech786]

Well said one has to do there research.
Like they do in other aspects of life.
Indeed the nation deserves obsolete (every thing)be it education ,health,law,or Suzuki meharban(that too making people psycho 🤦🏼‍♂️

[Dongskie]

Very interesting read as always with @Xulfiqar's inputs on some matters.

I've worked on diesels since 18y/o with knowledge from books by Chilton that my late father had brought home from USA after he had worked for VW.

Diesels are pretty easy to maintain and troubleshoot as long as you know the basics.

Modifying is as easy too as long as you have the guts to do it.

[Xulfiqar]

Diesels are pretty easy to maintain and troubleshoot as long as you know the basics.

You see,

this line can be interpreted in quite a number of ways - e.g. there are some diesel injection repair shops in Pakistan who refuse to accept that there is a timing advance mechanism in the bosch VE pump (whose clone toyota uses).

same shops also refuse to use a torque wrench when installing the delivery valve set on an inline pump - then wonder why the pump is jammed after the assembly process.

The term precision and thermal expansion is also alien to our usual mechanics, all of this when combined into a melting pot really make an interesting end result.

[Dongskie]

I agree @Xulfiqar.

It's pretty basic to be using the correct tools for the job and the proper torque for the specific nuts and bolts. It is never just loosen and tighten every nuts and bolts they see lolz. Those backyard mechanics watching me work on my engine says this says that hahaha!!, they even told me that classic BULL S to remove the thermostat because it will only overheat the engine.

I've got my first 2C engine in a bad condition and gradually worked on it everyday of my freetime and it has never failed me, nor shown any trouble since the day I've fixed the last issue it had in about 6 months since I got it.

Its fun to learn and more fun to apply what you have learned from the PROPER source.

I thank Xulfiqar for guiding me and pushing my confidence to pursue my Turbo install project which had great result and impressive performance increase on my non turbo 2C.

And also @capsat who had been very supportive of my work lolz.

Happy tuning everyone!

[ktech786]

Only easy to maintain diesel here is the PETERS ENGINE.
Khaiton aur khalyano main.

[tintin1]

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[tintin1]

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[Xulfiqar]

no diesel exists with a PCV valve, it has a venting system.

[Xulfiqar]

you need to find better mechanics, any engine will leak if its improperly packed, toyota engines are very nicely packed and never leak unless the tech/mechanic didnt pay attention when working or used bad products and bad practice.

The other leak failures are age and worn out rubber pieces - like valve cover gaskets etc.

The issue with common Pakistan mechanics is that now they do not know how to diagnose or repair anything, all they know is - replace this thing with part from scrap and hope it works. If it doesnt work then blame it on scrap, the weather, political situation, fuel, oil, the neighbor etc etc etc.

Point is that they will never accept that they dont know their work and never will take responsibility of their bad jobs. You as customer have to filter these out.

[Moderator]

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