Symptoms:

  • Lost, damaged or modified original valve

Cause:

Many throttle valves have been modified or replaced with a kit version during previous rebuilds. This often alters performance, rendering the core unusable.

Correction:

Sonnax direct-replacement, drop-in throttle valve aids in restoring the core to original condition by following the OE design.

4L60

Throttle Valve
Part No. 77968-02

Fits both aluminum sleeved and non-sleeved units.

You need this if... View Instructions Find a Distributor

In GM 4L60 units, modifying or replacing the throttle valve is a common practice during rebuild, but these modifications and replacements often alter performance, leaving the core unusable. Sonnax replacement throttle valve 77968-02 aids in restoring the core to original condition by following the OE design.

  • Valve is made from hardened steel
  • Follows OE design
  • Salvages cores
  • Drop-in Zip Valve™ installs quickly and easily
  • 4L60 Throttle Valve 77968-02
  • 4L60 Throttle Valve 77968-02

You need this if...

Vacuum testing at the port(s) indicated fails to hold the recommended minimum in-Hg, or if wear is visually detected.

4L60 Throttle Valve Vacuum Test Locations