47RE Throttle Valve (TV) Cable: Adjustment Guide & Fixes

The 47RE Throttle Valve (TV) cable controls shift firmness and timing based on throttle position. Wrong adjustment causes harsh shifts, slip, or burnt clutches. Free fix if you do it right.

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What the TV cable does

  • Connects throttle linkage to trans valve body
  • Controls line pressure based on throttle
  • More throttle = more pressure = firmer shifts
  • Less throttle = lower pressure = smoother shifts
  • Affects shift timing too

Symptoms of misadjusted TV cable

Too loose (cable too long):

  • Soft, slipping shifts
  • Burnt fluid (slip = heat)
  • Burnt clutches in months
  • Premature direct clutch failure

    • Too tight (cable too short):

  • Harsh, jarring shifts
  • Shifts at higher RPM than spec
  • Hard 1-2 shift
  • Possible damage to drum/clutches over time

    • Disconnected entirely:

  • Trans defaults to maximum pressure
  • Extremely harsh shifts
  • Will damage trans quickly

    • When to adjust TV cable

    After any of these:

  • Trans rebuild
  • Throttle body replacement
  • Throttle linkage repair
  • Engine swap
  • If shifts feel wrong (loose or harsh)
  • After 50k+ miles (cable stretches)

    • What you need

    Tools:

  • Helper (for throttle hold)
  • Flat-head screwdriver
  • 10mm wrench
  • Trans pan in good shape

    • Cost:

  • $0 - just adjustment
  • Or $50-$120 if cable needs replacement

    • Adjustment procedure

    Step 1: Locate TV cable

  • Engine bay
  • Goes from throttle body to trans
  • Look for adjuster at trans end

    • Step 2: Find the lock

  • Trans-end adjuster has spring-loaded lock
  • Press release tab to unlock
  • Cable slides freely once unlocked

    • Step 3: Set initial position

  • Helper holds throttle WIDE OPEN
  • Pull cable taut (full extension)
  • Hold position

    • Step 4: Lock the cable

  • Press lock tab back in
  • Cable now set to WOT position

    • Step 5: Verify

  • Release throttle
  • Press throttle to WOT - cable should pull taut
  • No slack at WOT
  • No tension at idle

    • Step 6: Test drive

  • Cold-start shift test
  • WOT shift quality
  • Light-throttle shift smoothness
  • Should feel right balance

    • Common adjustment mistakes

    Throttle not fully open during adjust:

  • Cable ends up too long
  • Soft shifts after adjustment

    • Throttle past mechanical limit:

  • Linkage gets bent
  • Cable too short
  • Harsh shifts after

    • Not pressing release tab:

  • Cable stays locked at old position
  • Cant adjust effectively
  • Cable damage possible

    • When TV cable needs replacement

    Symptoms of bad cable:

  • Wont hold adjustment
  • Frayed sheath
  • Sticky operation
  • Visible damage
  • Cant achieve full travel

    • Replacement parts:

  • OEM 47RE TV cable: $80-$150
  • Mopar PN varies by year
  • Also need TV cable adjuster bracket sometimes

    • Install new TV cable

    Step 1: Remove old cable

  • Disconnect from throttle linkage
  • Disconnect at trans
  • Pull old cable through firewall

    • Step 2: Install new cable

  • Route through firewall (same path)
  • Connect at throttle body
  • Connect at trans
  • Verify free movement

    • Step 3: Adjust as above

    Cost

    DIY adjustment only:

  • $0 cost
  • 30 minutes time
  • Just need helper

    • DIY cable replacement:

  • Cable: $80-$150
  • Time: 2-3 hours
  • Total: $80-$150

    • Shop adjustment:

  • $50-$100 labor

    • Shop cable replacement:

  • Parts: $80-$150
  • Labor: $100-$200
  • Total: $180-$350

    • How to know your shifts are right

    Light throttle:

  • Smooth 1-2 shift
  • No bang or slip

    • Half throttle:

  • Firmer but not harsh
  • Clean shift feel

    • WOT:

  • Quick, firm shifts
  • Some chirp on 1-2 acceptable
  • No bang or slip

    • TV cable vs electronic governor solenoid

    TV cable controls:

  • Line pressure based on throttle
  • Shift firmness
  • Maximum apply pressure

    • Governor solenoid controls:

  • Shift timing
  • RPM at which to shift
  • Read our 47RE governor solenoid

    • Both must be correct for proper operation

    Common 47RE shift complaint diagnosis

    Harsh 1-2 shift:

  • TV cable too tight (most common)
  • OR governor solenoid pressure too high

    • Soft / slipping 2-3 shift:

  • TV cable too loose
  • OR worn direct clutches

    • Late shifts:

  • Governor solenoid issue
  • TV cable usually not the cause

    • Early shifts:

  • Governor solenoid or TPS issue
  • TV cable usually not the cause

    • Maintenance tip

    Annual cable check:

  • Inspect for fraying
  • Verify smooth operation
  • Re-adjust if shifts feel wrong
  • Free preventive maintenance

    • If cable is damaged beyond adjustment

    Symptoms:

  • Cable wont stay in adjusted position
  • Cable sheath cracked
  • Visible binding or sticking

    • Solution:

  • Full cable replacement ($80-$150)
  • 2-3 hour install

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