Frequent question: How many bolts does a 4l60e transmission pan have?

Matt C nailed it – 16 bolts is the 4L60, 17 bolts is the 4L80.

How many pan bolts are in a 4 L 80 E transmission?

Another disparity between both devices is the number of bolts used to secure the transmission to the engine. Here, there are more number of bolts on the 4L80E due to its larger size. Specifically, there is a gasket of 17 bolts on the 4L80E, while the 4L60E’s pan has 16 bolts.

What size are the transmission pan bolts on a 4L60E?

700R4, 4L60E, 200-4R Pan Bolts. 8MM X 1.25MM, 13MM head.

What is the difference between a 4L60 and a 4L60E transmission?

The rear output housing is configured with a six-bolt pattern in late model 4L60E transmissions. The 4L60 transmission is configured with a four-bolt pattern. The bolt pattern is not a guaranteed distinction, however, as early 4L60E transmissions, manufactured from 1992 through 1997, also have a four-bolt pattern.

Can transmission pan bolts come loose?

This is a transmission leak and a common cause is the transmission pan. Tightening the pan bolts is the most common advice given. … Pan gaskets do not shrink and pan bolts rarely come loose.

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Can you put a 4L80E in place of a 4L60E?

Or, as you will see here, you can jump up a level, installing the much more robust and heavy duty GM 4L80E in place, which will bolt a much better stock unit between your engine and rear end, one which can handle much more horsepower and torque than a 4L60E, even in stock form.

What engines bolt up to 4L60E?

The front face 4L60-E is natively compatible with either the Chevrolet 90 degree “Small Block” & “Big Block” patterned engines (image, left), including the V6, V8 & I6.

What size are transmission pan bolts?

Automatic Transmission Oil Pan Bolt by Genuine®. Size: 6 mm x 28.5 mm.

What are the torque specs for transmission pan?

Setting the pan bolts to 12 foot-pounds of torque is only recommended after the pan is properly inspected and repaired.

  • Remove the Leaking Transmission Pan. …
  • Clean the Gasket Surfaces. …
  • Straighten the Pan and Bolt Holes. …
  • Glue on a New Gasket and Install the Pan.

How many pan bolts does a 700r4 have?

The THM700-R4 has 16 bolts attaching the pan to the transmission.

What years were the 4L60E used?

Designed for longitudinal engine configurations, the series includes 4 forward gears and 1 reverse gear. The 4L60E is the electronically commanded evolution of the Turbo-Hydramatic 700R4, originally produced in 1982.

GM 4L60-E transmission.

Manufacturer General Motors
Production 1992–2013
Body and chassis

What does a shift kit do for a 4L60E?

In short, an automatic transmission shift kit modifies the transmission’s shift timing in order to dramatically increase shift firmness and durability of the transmission components.

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How can I make my 4L60E stronger?

Now, let’s dive in:

  1. Lay out the important parts on an assembly bench. …
  2. Rebuild with an improved, thicker sun shell. …
  3. Use five-pinion front/rear planetary. …
  4. Use a larger clutch with an input drum reinforcement sleeve. …
  5. Stamped Steel forward clutch apply pistons. …
  6. Use more clutches and larger gear band servo pistons.

How do I stop my transmission pan from leaking?

If you discover a leak from a gasket or seal in your transmission, the best way to stop the leak is to simply add BlueDevil Transmission Sealer to your transmission fluid.

How many bolts does a C4 transmission pan have?

Counting the number of bolts is necessary, as the pan for the C4 transmission uses a total of only 11 bolts.