Asked by: Lani Ferg
asked in category: General Last Updated: 10th March, 2020

What would causes a 4l60e transmission not to shift?

ther causes of this problem include a broken sunshell or a fluid leak in the reverse hydraulic circuit. Some fluid leak issues may require only minor repairs, while worn clutches or other broken parts require removal and repair or replacement of the transmission.

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Herein, what causes a 4l60e transmission not to shift?

A more serious cause of 1-2 shift failure on the 4L60E is a leak in the 2nd gear apply circuit (servo assembly or 1-2 accumulator). It is also possible to have inadequate line pressure due to a leaking boost valve, clogged EPC filter screen, failing EPC solenoid, or possibly leaky seals throughout the transmission.

One may also ask, what are the symptoms of a bad transmission solenoid? If you're experiencing transmission solenoid troubles, it will become evident in one of four ways:

  • Delayed gear shifting.
  • You can't downshift, and your engine continues to rev even when applying the brakes.
  • Your transmission gets stuck in neutral.
  • Shifting gears become rough and choppy.

Moreover, what years will a 4l60e transmission fit?

The transmission has a square oil pan. The key distinction of the Later 4L60-E (1996-2010) from the Early 4L60-E (1992-1997), 4L60 (1990-1992), or 700R4 (1982-1989) is the six-bolt "hex" rear output or tailhousing / adapter pattern.

How do I know if my 4l60e is bad?

Here are some very specific symptoms you'll see when a transmission solenoid goes bad:

  1. The PCM is also gonna' light up the check engine light (CEL) and store a specific shift solenoid diagnostic trouble code.
  2. The speedometer does not work and you might have one of the following trouble codes:

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