Honda Crv Swa 2008year 2.0 R20a 4wd Gearbox
Honda Crv Swa 2008year 2.0 R20a 4wd Gearbox

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Honda Crv Swa 2008year 2.0 R20a 4wd Gearbox

Honda Crv swa 2008year 2.0 4wd auto gearbox, use parts Japan 

Here’s a clear description of the gearbox / transmission fitted to a 2008 Honda CR-V 2.0 4WD (4Γ—4) β€” often referred to as models like SWA in parts catalogs:





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Transmission Overview β€” 2008 Honda CR-V 2.0 4WD



1. Transmission Type


  • The 2008 CR-V 2.0 4WD typically uses a 5-speed automatic gearbox (traditional torque-converter style), not a CVT for most regions outside some later markets.  



2. Drive System


  • Real-Time 4WD (on-demand AWD):
    The vehicle is front-wheel drive normally, but when the front wheels slip, torque is sent to the rear wheels via a hydraulic/pump system rather than a manual transfer case. This system engages automatically without a driver-selectable 4WD switch.  



3. Gearbox Characteristics


  • Number of Speeds: 5 forward gears plus Reverse.  
  • Type: Conventional automatic transmission with torque converter and electronic shift control.
  • That means the gearbox uses planetary gear sets and clutches controlled by the transmission control unit (TCU) to shift between gears.
  • A torque converter connects the engine to the gearbox and allows smooth engagement from a standstill.  



4. Gear Ratios & Function (typical behaviour)


  • Lower gears provide stronger acceleration at lower speeds (higher numerical ratio).
  • Higher gears reduce engine RPM for cruising economy.
  • Shifts are managed electronically based on throttle position, vehicle speed, and engine load.
  • The ''Real-Time 4WD'' system sends power rearward when slippage is detected, improving traction.  



5. Physical Layout


  • The gearbox is mounted transversely with the engine up front and drives the front wheels primarily. When needed, a hydraulic pump engages the rear differential via a driveshaft.  



6. Transmission Fluid & Control


  • Uses automatic transmission fluid (ATF). Proper fluid and level are critical for shift quality and longevity.
  • Electronic control unit (TCU) modulates shift timing and line pressure for smooth gear changes.
  • Common 2000s-era Honda automatics can show slight hesitation or firm shifts if fluid is old/worn.






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Simplified Description



So, in plain terms:


βœ… A 5-speed automatic gearbox with torque converter

βœ… Electronic control for smooth shifting

βœ… Real Time 4WD system β€” front wheels normally drive, rear wheels engage when needed

βœ… Traditional geared automatic (not CVT) for this model year in most markets 





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Notes on Related Variants



  • Some other markets offered 6-speed manuals on the same 2.0 engine with AWD, but the automatic is most common.  
  • Later Honda CR-V generations (from ~2012+) started shifting to CVT automatics in many regions (but not this 2008 model).
  • If your vehicle shifts roughly or throws codes (like flashing D), it often points to fluid or sensor issues in the automatic system.





If you’re looking for gear ratios, torque converter specs, or a workshop-style schematic, I can look up a technical sheet for that too.




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