Hi everyone, just want ask.. is it true on morning need to warm up till the rpm drop below 1k for protect auto gearbox? especially for Perodua

This post has been edited by macdaniel: Dec 4 2023, 10:28 AM

err.... Year 2024 coming....
just start n drive ..... once you exited ur housing area/multilevel carpark...
the car is ready for speed.

Some say need to warm up

Some say no need, but drive from lower gear

Just sit inside warm up for awhile, nothing to lose

Ya understand now usually fuel injection no need warm too long. But the warm up for auto transmission gearbox.. I also confused want to wait or not..

Usually I wait till the temperature blue light off and go. Time around 2.15 minutes but rpm still above 1k. If need want wait till below 1k need take around 6 to 8 minutes feel like wasted fuel.. but the warm up till 1k actually for auto transmission.. don’t know want follow or not.. because confused..

This post has been edited by macdaniel: Dec 4 2023, 10:36 AM

I drive Axia since 6 years ago.

I will wait until the blue light goes off, then I move.

I don't wait longer. But sometimes if I have extra time, I wait longer.

This post has been edited by Natsukashii: Dec 4 2023, 10:30 AM

Ok noted understand thanks for ur reply

TS ur car engine and gearbox both have ideal/normal operating temperature .

The faster the you achieve it the better so start and drive slowly until the reach the ideal temperature then drive normally.

Idling take longer time to achieve the ideal temp and will increase wear and tear, not reduce it.

Better use high quality gearbox oil and change more frequently if you concern about the longevity of the gearbox and this goes for the filter too.

modern car, no need. Perhaps just allow up to 20seconds for fluids to flow.

just avoid hard acceleration when cold, normal traffic driving is fine.

my 1980's car also no need warm up till like what u mentioned

modern cars got very powderful oil pump as design. Just a second or 2 for the engine oil to move thru the oil alleys and start lubricating even the most hidden nooks even when engine has been left to cool down overnight.

Why on earth do you want to wait more than 2mins before moving. Even my 90s wira can see engine oil start flowing at tappet/valve cover area almost instantenously, and this is using 15W40. Yours with 5W20/5W30 is even faster.

Stop wasting fuel already, and more reason so when govt is going to stop rebate on petrol/diesel.

Even when blue light temperature gone off I also drive slowly till temperature reach 85c
Gearbox oil I charged almost every 15k mileage gearbox filler just replace when 90k mileage.

Usually I wait blue temperatures off then go. Recently saw video said wait rpm drop below 1k for gearbox better protection.. that y confuse. Because feel wasted fuel wait too long..

easy, start your car, while u put seatbelt and etc, u can drive already.

after that, watch your temp bar or icon, while it still showing cold, don't push it hard, drive normally < this will help to warm it up faster.

If you notice, when start your car, RPM will be around 1500.
If you engage say Reverse, the RPM will immediately drop to around 1000.
I think the car does this to protect the transmission already.
So don't really need to wait till RPM drop to below 1000 to engage gear.

Usually I wait till blue light gone I started to move slowly

Yes on around 1500 to 1400. Ya and also noticed that when put reverse drop around 1k.

Waste of time & petrol to wait up to 2 mins or more for oil to warm up. Modern engine just start & drive. I hv been doing for all cars and nothing spoilt other than wear and tear parts. If wait for warm up, how many years will you save yr car parts. Negligible. More important to change engine & gearbox oils regularly and stop worrying abt the rest. If it wants to break down, it will eventually and stop listening to grandmother story.

Fuel still cheap...so wait if you have time and contribute to global warming a bit...

Actually, no need to wait.

Think about it. When you start the car, the engine rpm is way above 1k. If you drive at this rpm, your speed is not really that slow. Even 30 years ago many article already mentioned that it is safe to drive immediately after you started the engine.

my house is about 120m to the main road. By the time I reversed the car and enter the the main road the engine cold indicator is already off and during this time, the rpm is below 2k. Many article said that keep the rpm below 2k while driving in cold engine which roughly translate into below 60km/h at low gear.

Old carb cars yes. Modern fuel injection not really. The thermostat is there for a reason.

Modern car just start and drive, but go easy and don't drive like F1 until everything's warmed up (especially if turbo).

I believe your car manual will provide this guidance too.

itu stall rpm bro

proven vid or random professor vid

transmission fluid want to keep as cold as possible.
that y we got atf cooler, cvt cooler
yet u want to warm it up
why not blow exzos pipe to it rite

give it a 10 second to lubricate all parts then start off soft can already till temperature reached the normal range before you start to drive/accelerate faster

i didnt say you need to wait for 2 mnt, i said, start normally before u preparing to move ( select song, open gps whatsoever ) and thn drive slow and steady ( as for my car, i drive below 3k while coolant temp lower thn 70 ) after coolant reach 75, i drive as usual, vroom2 bebeh

Yes, you can start driving but need to highlight dont high rev. (control below 3k rpm) it as the cooling system and oil (both engine & transmission) not fully reach optimal working temperature. (oil need optimal temperature to work their best protection/performance)
If not fully reach and you keep up high rev. during cold start, your asking for high wear of your engine in short period.

Most modern vehicle controlled by ECU, cold start the RPM automatically higher for warming up purpose, most modern vehicle you no longer can see a water temperature gauge will only have blue or red etc indicator , cold start temperature water gauge temperature will have blue indicator as long disappear from your instrument cluster you are good to go less than a 2 minutes usually

If your still have water gauge meter is make sense reach the minimum temperature to drive

Either way as long within 2k RPM still safe to drive on cold start

Modern engine everything is so light and the engine oil nowadays is mostly design for start and go

Basically warm up minimum temperature only drive also a good practice if anything wrong with the engine on idle rather than half way faulty blocking the whole road.

You dont need to warm up the car. Just accelerate slowly and gradually as you exit the car park.

This post has been edited by TOMEI-R: Dec 4 2023, 04:24 PM

Bro, every oil got operating temperature including transmission fluid. If too cold it will also thicken up, slowing the oil flow (just imagine honey in low temperature). Installing addtional/aftermarket atf/cvt cooler without much research/data just increase the wear rate if you always drive in cold weather without proper warm up.
Before installing any of it check what is your normal ATF temperature like during like traffic jam, going up hill or fetching heavy stuff or trailer. Once you got the temperature data, check your original ATF gearbox spec. what is the optimal temperature range. Dont simply follow some mechanic or member peer pressure that all oil cooler must be good, a lot of time is waste money and more things to worry if done wrong (more hose, area to leak ATF oil)

This post has been edited by littlefire: Dec 4 2023, 04:53 PM

thickening not applicable to our climate kut.

High mileage car better wait atleast 15 secs for trans fluid to flow through valve body. Starts terus masuk gear may wear the clutch, kena gear slip then big regrets.

me myself in the morning let the car warming up around 1 min , then i will drive on average speed around 10 to 15 mins , after that ready to speed

Let's apply some logic here ya

You sit there warm up engine without moving, do you think the transmission gets to warm up too?

So if you want to warm up the gearbox, aren't you supposed to move the car?

: poking head meme gif:

I saw this video. That y I asked here

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In recent times, i think the only thing good from Kuantan is Nanami Kento

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i used to own an early 2000s perodua kelisa auto.

never have i warmed it up. i just start n drive. had the car for 7 years and over 100k km mileage on that car and never had any issues with gearbox or engine.

if a car that old can survive, cars these days have a better chance.

theres also an old saying


This post has been edited by mADmAN: Dec 4 2023, 07:40 PM

No need to warm up la. Just start and drive.

when the engine is cold, you cannot do this:
- in N (Neutral) tekan the accelerator to raise the RPM to 3k
- release footbrake
- engage D (Drive)
- this will warm up the auto gearbox immediately

Note:
- do the exact reverse to jaga gearbox upon first engagement, do slowly
- warming up the car does not warm up the auto gear or gear oil

This post has been edited by alexei: Dec 5 2023, 08:48 AM

The thing is, economy car equipped with cvt tend to drive better when cvt is warmed up, my experience with 2 diffrnt cvt car.
However, this doesn't mean u need to wait few mnt idling. just start, the car and drive slow n steady out of housing area and bla2, once the cold temp light is out / 2 ~ 3bar temp, drive as usual lor.

why all the confusion here?

I drive both CVT and AT cars. From experience, during a cold start, letting the engine warm up a while before driving is much better. Why? When it's cold, and you straight put it into D or R, the RPM straight drops, and where does the RPM go? Straight into the GB, causing a kickback.

If you noticed cold start RPM is always higher (Idle ~> 1k), Innova 2013 (4AT) is ~2k RPM, HRV 1.8 ~1.5k, Axia ~1.5k. and when you engage a gear, the RPM will drop almost instantly. It's not like the engine will slow down only your GB will engage.

If not mistaken there's a video out there on Myvi's not sure if CVT or AT about the GB oil seal getting damaged due to the pressure from a cold start when changing into gear.

for my old Saga FLX CVT, I need to wait for the temperature gauge to be at least 2 bars out of 6 bars(normal operating temp is 3 bars)

if I engage D before 2 bars, and let car move without stepping on accelerator, the car will jerk and sometimes engine will stall

"magician"

becos of a fb video made by random ppl yet fail to explain

aircond on or off

Exactly.... driving the car lightly will warm everything up to operating temperature faster.

Some people might spend time doing things like this, wasting petrol, waiting until everything warm up.
But then try to save $$ by using low quality oil and extended change interval

The reason RPM is higher ( COLD START ) because O2 sensor need to be warmed up to get good reading, if you read OBD data, it will say that it's not warm/operating temperature so it will use pre-set RPM/AFR by MANUFACTURE to help warm up O2 sensor, don't believe me? got buy O2 reader and get the reading yourself.

This post has been edited by babisotong: Dec 5 2023, 11:01 AM

Bro, I'm driving Axia E(yes its manual but same engine as the new Axia) , and i've never seen it gone up to 1.5K , the most is around 1000RPM, even when parked overnight in Genting. After fully warmed up it will drop to 750RPM (AC off, gear neutral). AC on is around 850RPM.
As for the HRV 1.8L, it doesn't rev that high (up to 1.5K) in the morning.

About RPM drop instantly when engaging gear, its obvious bro- You are engaging the torque converter and/or wet clutch. It adds load to the engine for sure, and of course the ECU wont self speed up the engine. Hence thats why the RPM drops. Not the other way round.
With one exception: I've driven older Myvi 1.3 with 4AT and I hate them for one thing - They always rev up their engine 1-2 seconds when engaging into Drive or Reverse (or when the AC compressor kicks in), regardless engine warmed up or cold engine . If one doesn't step the foot brake it will lurch forward violently.

If you want to take care of your GB, simple: Dont drive like Michael Schumacher and frequently do "launch control" at red light, unless your GB has been modified and strengthen to take extra abuse. That little kickback at idle wont harm your GB la.

This I fully agree with you. I have OBD reader and yes, the engine will enrich the fuel mixture first until the O2 sensor is fully heated up. By that time the STFT goes as high as -10%

This post has been edited by SleeplessEyes: Dec 5 2023, 11:36 AM

hahaha

exzos catalyzer also.
need specific working temp for platinium to purifying

No need la, as long as you’re not immediately rev it out until 4k+++ rpm within the first few mins, drive like a normal civilized human - THERE IS NO NEED FOR WARMUP time. Furthermore you’re in Malaysia where the ambient temp is high.

The only time where warmup should even be spoken is within peformance car category - ie, 350-400+++ HP cars, where it’s advisable to keep the rev below 3k until at least 80c just to be safe.

Far more than that, nowadays more newer modern cars already got oil/water temp reader built-in, o2 or catalytic converter also got exhaust temperature sensor to read real time temperature data. To reduce emission and better engine protection, it is better to raise the engine temperature as fast as possible (in this case higher rpm) to meet the optimal operation.