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 Nissan Almera Turbo 1.0 (N18) Ownership Experience, Sharing Thoughts / Experience / Issues

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babisotong
post Mar 15 2023, 01:35 PM

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QUOTE(DS51 @ Mar 15 2023, 12:12 PM)
definitely cipet. they downtune the power. dunno why they use bigger engine but almost same output with previous gen. so stingy
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maybe to help with reliability issue such as the meme *head gasket, EO starvation and etc*
Virlution
post Mar 15 2023, 01:46 PM

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no la.... subbie engine very reliable if you dun simply reflash or mod...

my previous turbo car also serbis every 10k mileage... dun care duration. car not heavily use so like 1 year serbis once

warm up before tekan and warm down properly... dun starve turbo of oil especially after vroom here and there. all meme are overboost and never warm up/down properly

na brz/86 can sebis 15k... even longer duration
howszat
post Mar 15 2023, 07:00 PM

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QUOTE(Virlution @ Mar 15 2023, 01:46 PM)
no la.... subbie engine very reliable if you dun simply reflash or mod...

my previous turbo car also serbis every 10k mileage... dun care duration. car not heavily use so like 1 year serbis once

warm up before tekan and warm down properly... dun starve turbo of oil especially after vroom here and there. all meme are overboost and never warm up/down properly

na brz/86 can sebis 15k... even longer duration
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Required only if you have been tekan-ing... isn't it?

howszat
post Mar 15 2023, 07:10 PM

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QUOTE(DS51 @ Mar 15 2023, 12:05 PM)
definitely pricy and safety goodies lost to perodua which got way lower price. so pay more for less?. thats explain few nissan almera on the road.
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That's comparing foreign cars with local cars. It's a value-for-money comparison which is valid by itself.

But that's not what I was referring to.

A more appropriate comparison is with the Vios and City and Mazda.

SleeplessEyes
post Mar 15 2023, 07:37 PM

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QUOTE(howszat @ Mar 15 2023, 07:00 PM)
Required only if you have been tekan-ing... isn't it?
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Nope. Applies to all cars.
My standard of practice

i) Idle the engine for 30 seconds (roughly) before putting into gear - Let the lubricant circulate properly even though I know its on 0W or 5W viscosity and it should be seconds .
ii) Then start driving. Engine oil temperature takes longer to warm up compared to your water temperature.
- I have the habit of not turning on the aircond until the water temperature reaches minimum 50C ; This is so that it doesn't place extra load during cold engine, and your radiator fan will cool it down, making it warm up slower.
- For cars without Celcius or OBD, its either the Blue light goes off or 2 bars (for my Proton) which indicates around 50C has passed.

iii) Drive gently first if possible. Not asking you to drive like a granny and hog the road. GO easy on the throttle.
- Even in F1, they heat up the engine block (without engine running) first before start of the race.
howszat
post Mar 15 2023, 08:03 PM

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QUOTE(SleeplessEyes @ Mar 15 2023, 07:37 PM)
Nope. Applies to all cars.
My standard of practice

i) Idle the engine for 30 seconds (roughly) before putting into gear - Let the lubricant circulate properly even though I know its on 0W or 5W viscosity and it should be seconds .
ii) Then start driving. Engine oil temperature takes longer to warm up compared to your water temperature.
- I have the habit of not turning on the aircond until the water temperature reaches minimum 50C ; This is so that it doesn't place extra load during cold engine, and your radiator fan will cool it down, making it warm up slower.
- For cars without Celcius or OBD, its either the Blue light goes off or 2 bars (for my Proton) which indicates around 50C has passed.

iii) Drive gently first if possible. Not asking you to drive like a granny and hog the road. GO easy on the throttle.
- Even in F1, they heat up the engine block (without engine running) first before start of the race.
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I have owned a turbo car before. There are some precautions you need to take. But that was sometime ago.

Technology has improved. I don't believe what you are doing is necessary anymore.

Virlution
post Mar 16 2023, 07:18 AM

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QUOTE(howszat @ Mar 15 2023, 08:03 PM)
I have owned a turbo car before. There are some precautions you need to take. But that was sometime ago.

Technology has improved. I don't believe what you are doing is necessary anymore.
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not necessary to do such....

start car, idle few seconds when you drive off, keep the RPM low ... when you idle at below 1k rpm vs driving off at 2k-3k rpm is nothing... just dont go high rev and spool the turbo at full speed before warmed up

for warm down, usually when I turn to my street or near house, driving in shopping parking/looking for parking just chill and cruise, low RPM oil will flow and cool down. after stop, idle alnother few seconds while turning off AC/Radio is good enough.

Some people like to vroom vroom announcing to everyone they arrived, then turn off the car, this will cause the turbo to heat up and starve of oil.

Frequent oil change also good if you drive like a maniac all the time, too much heat the oil break down faster.
Most car with stock low pressure turbos, not much additional precautions required.
littlefire
post Mar 20 2023, 04:02 PM

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QUOTE(howszat @ Mar 15 2023, 09:03 PM)
I have owned a turbo car before. There are some precautions you need to take. But that was sometime ago.

Technology has improved. I don't believe what you are doing is necessary anymore.
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Engine oil i can say improve a lot by using fully synthetic and lower viscosity for faster oil flow & protection

But regarding turbo cooling system might need to take note on that, if your turbo engine system does not got like modern continental which got additional oil or water cooler system (some use electric water pump to keep running) to cool down the turbo after it is off it is better to idle for a while like 10~15 seconds or fit a turbo timer with oil temperature or O2 sensor reading to help prolong the turbo life.

This post has been edited by littlefire: Mar 20 2023, 04:07 PM
SleeplessEyes
post Mar 22 2023, 10:48 AM

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QUOTE(littlefire @ Mar 20 2023, 04:02 PM)
Engine oil i can say improve a lot by using fully synthetic and lower viscosity for faster oil flow & protection

But regarding turbo cooling system might need to take note on that, if your turbo engine system does not got like modern continental which got additional oil or water cooler system (some use electric water pump to keep running) to cool down the turbo after it is off it is better to idle for a while like 10~15 seconds or fit a turbo timer with oil temperature or O2 sensor reading to help prolong the turbo life.
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QUOTE(howszat @ Mar 15 2023, 08:03 PM)
I have owned a turbo car before. There are some precautions you need to take. But that was sometime ago.

Technology has improved. I don't believe what you are doing is necessary anymore.
*
Yes you are also correct ,howszat. I'm also using Full synthetic.
Its just a self-precautionary measure despite not written in the manual.

Usually I will intentionally idle the car with aircond on (depends on how long it take), to bring the shutdown temperature down to below 87C.
This is for Exora. I know other turbo cars not required due to better cooling system design (and dont have Oil Cooler Assembly)

For Exora, anything above 88C it will auto trigger the radiator fan and it takes minutes cool it down until it drops below 88C. On normal driving, it will hover between 86-88C.
Cause when engine shutdown it will rise up to 90-91C. I've monitored this through the OBD. And for Exora, it does have a separate electric water pump.

Unfortunately my usual app, is not able to read oil temperature from Exora's ECU.
@littlefire, regarding about your comment "O2 sensor reading to help prolong the turbo life"
Exora's ECU allows reading of catalytic converter temperature, but I find it useless.

Hope this explains well my precautionary measures.

howszat
post Mar 22 2023, 08:02 PM

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QUOTE
If the engine has been operating at high
rpm for an extended period of time, let it
idle for a few minutes prior to turn off.


Nothing too specific from the Almera manual.
ayamxxx
post Mar 24 2023, 02:31 PM

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Ts, the only not good for Nissan is Tan Choong Motor. Try follow fb group, u can see why, for most Nissan model here. And I read most ex Nissan owner not even bother to touch them again if still under TCM. Hint, warranty claim poor, and tendency to use low quality parts (localized?) for model sold here by TCM

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