₦airaland Forum

Systrom:
Hello boss, I have two BMW with transmission issues. Won’t shift gear. I imported them that way

Do you have a workshop / auto center where I can bring them to for you to review

Let me know if you still need to have them fixed.

Gooday bro, they've literally changed everything about the air system and now telling me the brain box is the problem.....im just tired of everything, what connects brain box with poor fuel economy?

Abbeyismo:
Need a good technician to help you check it out

kakameks:
Hello everyone,

I have been having some issues with my Lexus rx330 AWD.

So if the car is parked for long like over night or for like 8hrs or more, it is difficult getting it to move.
Like in the morning if I engage drive the car won't move. I have to raise the engine speed for sometime before it will slowly begin move forward. Though once it moves it behaves normal if I disengage and re-engage the drive. The hesitation is no more.

This issues only happens with the drive gear, reverse works fine no matter when I use it.

I was suspecting a failing transmission pump but if this were the case the reverse gear will also be affected.

The transmission fluid level is okay and it doesn't smell burnt or look dark.

I recently did a filter cleaning like 6months ago.

I am seriously suspecting one of the solenoid valves that engages the forward gear or a blocked valve body.

Any suggestions?

Update:

So I noticed something. Where I usually park overnight, it requires me to reverse out of my compound onto the street first before engaging the forward gear, and if a car happens to be passing it usually have to wait awhile before the forward gear slowly engage.

So I now reverse park so that I don't have to reverse first thing in the morning. However I now notice a significant reduction in the delay in the car moving forward when I engage drive!

Noticed this for 4 consecutive days and I have continued this parking method, hopefully the delay will stop in it's entirety.

What do you guys make of this?

Will still go for a r tranny scan as soon as I can located a place that does it.

kakameks:
Update:

So I noticed something. Where I usually park overnight, it requires me to reverse out of my compound onto the street first before engaging the forward gear, and if a car happens to be passing it usually have to wait awhile before the forward gear slowly engage.

So I now reverse park so that I don't have to reverse first thing in the morning. However I now notice a significant reduction in the delay in the car moving forward when I engage drive!

Noticed this for 4 consecutive days and I have continued this parking method, hopefully the delay will stop in it's entirety.

What do you guys make of this?

Will still go for a r tranny scan as soon as I can located a place that does it.

Scan and post codes, check transmission fluid colour and level. You should also check the transmission sump for impact.

Good evening, my RX 350 AWD, I parked it down for a year, when I eventually start up, the gear jerks and makes a clunking sound so much when changing, Oil was replaced immediately and the jerking / clunking sound reduced drastically. Now it changes smoothly but makes a little clunking sound when entering only the first gear while on transit. Other gear changes smoothly.
Please help.

tempest12:
Good evening, my RX 350 AWD, I parked it down for a year, when I eventually start up, the gear jerks and makes a clunking sound so much when changing, Oil was replaced immediately and the jerking / clunking sound reduced drastically. Now it changes smoothly but makes a little clunking sound when entering only the first gear while on transit. Other gear changes smoothly.
Please help.

Have you scanned?
What year us the RX350?
If its 22pin, use a scan tool to try and reset the gearbox.

tempest12:
Good evening, my RX 350 AWD, I parked it down for a year, when I eventually start up, the gear jerks and makes a clunking sound so much when changing, Oil was replaced immediately and the jerking / clunking sound reduced drastically. Now it changes smoothly but makes a little clunking sound when entering only the first gear while on transit. Other gear changes smoothly.
Please help.

Good evening sir,

Thank you for explaining the situation clearly. From your description — Lexus RX 350 AWD that was parked for about a year, initial harsh jerking and clunking during gear changes, transmission oil replacement reducing the severity, and a remaining clunk only when engaging 1st gear while in motion — this is a post-storage + driveline adaptation issue, not a failed transmission.

Also, for future reports, always include the year of the vehicle, mileage (if possible), — it helps narrow causes faster and saves time.

⸻

🔧 Professional Diagnostic Insight

1️⃣ Long-Term Parking Effects on Drivetrain (Primary Factor)

When a vehicle is parked for up to a year:
• Transmission clutch packs partially drain
• Torque converter fluid balance is lost
• Engine, transmission, and differential mounts stiffen or partially collapse
• AWD transfer case components dry out internally

Once driven again, initial harsh engagement is common, and fluid replacement often reduces it — exactly what you experienced.

⸻

2️⃣ Remaining Clunk When Entering 1st Gear (Key Focus)

Since:
• Other gears now shift smoothly
• The clunk happens only when entering 1st gear while in transit

This points to:
• Slight driveline slack take-up
• Engine or transmission mount wear
• AWD transfer case or front differential backlash
• ECU still re-learning shift pressure after long inactivity

This is mechanical play being taken up, not internal gearbox damage.

⸻

3️⃣ AWD System Contribution (Often Overlooked)

On RX 350 AWD models:
• The transfer case and front differential engage more aggressively in low gears
• Any worn mount or dry coupling will be felt most in 1st gear

This is why the symptom disappears in higher gears.

⸻

4️⃣ Why Oil Change Helped but Didn’t Fully Eliminate It

Fresh ATF:
• Restored hydraulic pressure
• Improved clutch engagement timing

However, fluid cannot fix mounts, driveline play, or relearning adaptation — so a mild clunk can remain.

⸻

⚙️ Ryan Automotive Workshop – Professional Take

This is not a failing transmission and not a reason for panic or overhaul.

What you’re experiencing is typical after long-term parking, especially on AWD Lexus RX platforms, and is usually resolved with:
• Proper mechanical inspection
• Mount correction
• ECU relearning
—not parts replacement guessing.

⸻

✅ Professional Summary & Correct Next Steps

To resolve this properly, we recommend:

✔️ Engine & transmission mount inspection
✔️ AWD transfer case and front differential check
✔️ Driveline joint inspection (axles & prop shaft)
✔️ Transmission adaptation relearn (scan tool)
✔️ Verification of correct ATF type and level (hot & cold)

Avoid aggressive launches for now — gentle driving allows the system to normalize further.

📍 Clients come to us from different locations — distance is never a barrier when the diagnosis must be done right.

If you want this inspected properly and settled permanently, bring the vehicle in for professional evaluation.

Ryan Automotive Limited
Precision. Transparency. Excellence.
Professional Auto Diagnostics • Transmission • AWD Systems
📍 Lagos, Nigeria

—
For future inquiries, please always include:
Vehicle year | Engine type | Mileage | Recent repairs

Please WHICH gear oil to use for Toyota highlander 2005 V6? How many litre im going to buy?

celestial1:
Please WHICH gear oil to use for Toyota highlander 2005 V6? How many litre im going to buy?

Genuine Toyota Automatic Transmissuon Fluid Type T-iv.

celestial1:
Please WHICH gear oil to use for Toyota highlander 2005 V6? How many litre im going to buy?

Genuine Toyota Automatic Transmissuon Fluid Type T-iv.

celestial1:
Please WHICH gear oil to use for Toyota highlander 2005 V6? How many litre im going to buy?

Type T iv
Drain and refill one gallon
Changing of filter one gallon and one liter should do
New gearbox two gallons

kingreign:
Genuine Toyota Automatic Transmissuon Fluid Type T-iv.

which filling station that's selling the oil so that i can buy original one

Abbeyismo:
Type T iv
Drain and refill one gallon
Changing of filter one gallon and one liter should do
New gearbox two gallons

which filling station that's selling the oil so that i can buy original one

celestial1:
which filling station that's selling the oil so that i can buy original one

It isn't sold in filling stations

Buy nnpc dextron 3 atf
Toyota type t 4 sold are all fake

My 2008 Camry 2.4L keeps throwing P0303 and P0172 codes. I've already swapped out the plugs, coils, and fuel nozzle, and an electrician checked the wiring, finding no issues. The engine idles rough and jerks at low speeds. When I unplug the coil wire for cylinder #3 while idling, there's barely any change in the RPM. My mechanic thinks it's an engine problem with cylinder #3.

Have anyone encountered such issue before, I'm afraid of bringing the engine down.

Very funny

On cylinder 3,is the plug wet,dry,ir carbon black fouled. Pls answer me fast

Edunwa302:
My 2008 Camry 2.4L keeps throwing P0303 and P0172 codes. I've already swapped out the plugs, coils, and fuel nozzle, and an electrician checked the wiring, finding no issues. The engine idles rough and jerks at low speeds. When I unplug the coil wire for cylinder #3 while idling, there's barely any change in the RPM. My mechanic thinks it's an engine problem with cylinder #3.

Have anyone encountered such issue before, I'm afraid of bringing the engine down.

2cribz:
On cylinder 3,is the plug wet,dry,ir carbon black fouled. Pls answer me fast

lol 😂 As who

2cribz:
On cylinder 3,is the plug wet,dry,ir carbon black fouled. Pls answer me fast

The plug at the cylinder no 3 is in good condition, no oil, no carbon or anything unusual the plug is yellowish

Then the cylinder walls have scrapped ot ha scratches,not conpleting combustion. It mightnot show leak but its weak.

Edunwa302:
The plug at the cylinder no 3 is in good condition, no oil, no carbon or anything unusual the plug is yellowish

Plug supposed to be brownish/tan

Edunwa302:
The plug at the cylinder no 3 is in good condition, no oil, no carbon or anything unusual the plug is yellowish

Edunwa302:
The plug at the cylinder no 3 is in good condition, no oil, no carbon or anything unusual the plug is yellowish

Ignore him.

2cribz:
Plug supposed to be brownish/tan

Well, I might not use the right colour but the colour shows the plug is firing

Edunwa302:
Well, I might not use the right colour but the colour shows the plug is firing

Ignore that clown

Still dey deny am. Ogbeni,if na me be u,i go go buy the tools,do the job half way.i go buy plug spanner,be it 12 13,10,plier,gasket gum,gasket,,remove all the 4plugs and coils qnd top engine cover,bolts,disconect battery,leaving the injectors and tip cylinder,belts for meko to dismantle. There is no big deal in removing top cylinder. That way u go see your engine clearly and chance to correct any mior error b4 the engine go sapa. Its your car.do t allow meko with rewires destroy it 4u

Edunwa302:
Well, I might not use the right colour but the colour shows the plug is firing

Be kwayet,sore looser

kingreign:
Ignore that clown

celestial1:
which filling station that's selling the oil so that i can buy original one

Buy from reputable sellers or importers. Ask for Dru23 on this nairaland.

2cribz:
Be kwayet,sore looser

Run along kiddo, go grind pepper for your momma. She's calling you to go grind some pepper!