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Thanks for everyone…
I will recheck the ECU reset and fluid levels…..because sometimes it really feel bad when car jerk…
Can anyone guide….if i change the fluid to a new one….(if old transmission fluid is bad)…..will it help me?
What precaution is required in that case?…..can you guide me any specific fluid quality…that is good for transmission or any extra liquid to add which can help in solving jerk issue….Dear Mr. John,
Appreciates your response.
I have recently changed the transmission from Mechanic. As car is old and have 2 Lakh KM above reading so i was only able to avail the option of used transmission from used spare parts market.
In previous transmission….shifting from 1st to 2nd was very jerky and hard…means you can’t have a cup of tea easily in car :)….. after changing transmission that jerk issue is much less now but still can feel…. and it goes off / less as car kept its running active…
As they have change the transmission so they must have changed the oil….not sure….as it was done by mechanic….
I will recheck these points…and will let you know…Hey!
Can u please help me the cause of vibration.
I changed the transmission now. Vibration now start from 60…as soon as i go up in speed it remains same…but when slow down below 60 it goes off.
It seems like grinding n rubbing noise..from front..Can it be transmission problem again?
Can it be lower arm noise in any way?
Any bearing noise?I m worried .. pls help.. as i am spending money on it..
Dear Mr. Eric…
I want to explain the problem. .
I think i can say its noise..but not particularly vibration. .
When i drive n car come in speed of 60-80…above… i listen noise like : ” gear works together..plus humming in car ..”
I will also try to record some video for my help….
Can it be gear problem…wheel bearing…boots..transmission mounts..or any problem u think..?
It goes off when speed come below 60.Hey Mr. Eric / Mr. Collage Man,
Here is the snapshot of computer testing result.
It shows some error said:
Gear 1 incorrect ratio
Code: P0731Can you inform me what this error code said and what is the solution to handle this situation? Should i need to change gear box completely or it is reparable or it need some sensor replacement or oil change?
I forgot to ask him…i will check again…
but what you say dear … what symptoms says…why it jerks only in 1st to second gear? Why gears type vibration when speed go up 80 on highways…
Rest i will come back to you very soon with code details….Yes, dear college man I dried it properly in normal environment. I lived in Middle East UAE and you know seasons remains hot here. So it was dried completely before i installed it back.
Connector i rechecked….i saw no issue.Also that vibration exist only when car is in gear mode and can be feel when in gear and slow or stopped with gear in.
but what i noticed yesterday, i hope it is jerks of 4WD because i checked just for no reason my 4wd and turned the knob to Auto or 4wd….i listened no sound of 4wd which comes from car when you engage for 4wd….like Dddhuubbb…..
Also after turning knob, i saw continuous indication of front two wheels and central lock blinking while back two wheels remains unblinked.this condition remains same yesterday…whenever i start my car….
but today morning there is no such blinking but 4wd dhhuubb sound is not there…means 4wd is not working…
So i hope that this the main issue………
there is no any engine light or flashing during drive. Also speedometer remains normal as before…
Yes….there are small internal jerks that i always notices when car is in gear and stopped in traffic.In neutral, how much race i give no issue…how much idle it remains i don’t feel that jerks..
But that jerking started only after using MAF cleaner for throttle and i also cleaned MAF without touching inside or sensor……
Please help…..will it stop after some time…or any solution…..will this cause any problem?
Dear Mr. Eric,
Is this normal that after cleaning MAF sensor and throttle….i feel small jerks in my car Infiniti QX4 2000? it jerks time to time….as i just did it today in evening and ran may be 7-8 KM roughly….in city….
Till how many KM it will jerk – if it is normal?Also can i replace PCV valve when engine is hot or it is doable only in cold engine?
Dear Mr. Eric,
Car: Infiniti QX4 2000 model
My father has replaced gear box in past.
When i drive in city or smaller distances, it feels nothing…..pretty normal… but when on highways i drive in high speed…some speed above 80-100 i clearly feel gears running on steering and by sound…………..what will be that—is it normal? is this something to worry about? any solution?Similarly, MECHANIC repaired steering box…it was leaking from somewhere before that……normal driving is ok…but like in zero speed and rpm…when i turn steering left right….i listen machine sound increasing…..what is the reason and how can i solve it…..as there is no leakage now…
kindly help….
Dear Mr. Eric,
Really thankful for your brilliant guidance and help for good concern.
I will check tomorrow my car engine…..really i have not noticed that….
Really appreciated dear!!! 🙂
Throttle cable means the two solid silver metallic wires connected with accelerator … that open the throttle mouth by depressing accelerator ?
I have attached picture by red highlight ….. is this same you are telling me?Dear Mr. Eric,
Is there any chance of having time belt issue? because we opened the bonnet of car and try to get ticcck ticccck noise …it seems like it is coming from engine…. I may be wrong as well and i will also check the point you have mentioned.[video]https://www.youtube.com/watch?v=hqhQNA9Y6Os[/video]
Please tell me what will be the symptoms if passenger side mount has little bit changed position. As i can see earlier position mark of old passenger mount. Can this be a problem as well to make Ticcck Ticcck sound when press accelerator …?
I inserted the video….you can get “knock sound” in video between interval 17 to 19 Seconds…