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Hey guys. I know this has been covered many times, but i could not find a directly related info for 250GTs. So i apologise

Planning to take it in for a full service tomorrow. Just need to know what sort of engine oil is best for the VQ25DD. Also, if i wanted to do a transmission flush, which brand/type would be best?

I've got some pretty loud ticking noise coming from the engine which i'm sure is coming from the fuel injectors. Any tips on how to fix these? A clean or replacement?

Thanks in advance

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- Fill up your car with a full tank of petrol

- Run Nulon Total Fuel System Cleaner *before* changing oil. Reason being this will allow all the crap to get into the old engine oil, instead of the new oil.

- Castrol Magnatec 10w-40 for engine oil.

- Castrol Transmax Z for transmission.

Do not use "flushing agents".

- Fill up your car with a full tank of petrol

- Run Nulon Total Fuel System Cleaner *before* changing oil. Reason being this will allow all the crap to get into the old engine oil, instead of the new oil.

- Castrol Magnatec 10w-40 for engine oil.

- Castrol Transmax Z for transmission.

Do not use "flushing agents".

Awesome. Thanks for that. I think it's too late to use the fuel system cleaner now, service is due tomorrow.

The ticking is so annoying! It's either the fuel injectors or a bad lifter. We'll find out tomorrow i guess.

Cheers

Awesome. Thanks for that. I think it's too late to use the fuel system cleaner now, service is due tomorrow.

The ticking is so annoying! It's either the fuel injectors or a bad lifter. We'll find out tomorrow i guess.

Cheers

Engine oil change is a must.

You might want to check your timing chain. That could be the source of the ticking noise. What is the mileage of your 250GT?

Awesome. Thanks for that. I think it's too late to use the fuel system cleaner now, service is due tomorrow.

The ticking is so annoying! It's either the fuel injectors or a bad lifter. We'll find out tomorrow i guess.

Cheers

Done servicing with all castrol oils. Runs really, really smooth now. Improved shifting as well due to the new fluid in the gearbox. But the damn ticking is still there. They said it's normal.

i might try the injector cleaner this week and see if it does anything. If it doesn't i'll look into the timing chain.

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