Transmission
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    car
    truck
    rv

    What Causes Transmission Slipping?

    Typical repair cost: $150–$5,500

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    Common Symptoms

    RPMs rise without acceleration
    Delayed engagement from Park
    Harsh shifts
    Burnt fluid smell
    Check-engine light with P0700 series codes

    Most Likely Causes

    1

    Low or dirty fluid

    Most common cause. Burnt, dark fluid indicates internal clutch damage.

    2

    Worn clutch packs / bands

    High mileage automatics lose friction surface and slip under load.

    3

    Failed solenoids

    Triggers shift-quality codes; sometimes fixable by valve-body service.

    4

    Torque converter failure

    Shudders at lockup; harmonic vibration around 35-45 MPH.

    5

    CVT belt or pulley wear

    CVT-specific; whine and slip under throttle, usually requires unit replacement.

    How a Shop Diagnoses It

    1. 1.Check fluid level and color with engine running and warm (per OEM procedure).
    2. 2.Scan for transmission codes (P07xx, P08xx).
    3. 3.Road-test through all gears; note when slip occurs.
    4. 4.Pan-drop inspection: metal shavings or clutch material is bad news.

    When to see a professional

    Don't keep driving once it slips under throttle — heat from slip destroys clutch packs in minutes.

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