Tech Tips

Installation Instructions for 5R110W 2007-ON 68RFE 4C Clutch Torqkit | RTK-6804
July 05, 2019

Raybestos Powertrain technical support engineers take you through a step by step process of how to install the 5R110W 2007-ON 68RFE 4C Clutch Torqkit RTK-6804

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Installation Instructions for 5R110W 2007-ON 68RFE 2C Clutch Torqkit | RTK-6802
July 03, 2019

Raybestos Powertrain technical support engineers take you through a step by step process of how to install the 5R110W 2007-ON 68RFE 2C Clutch Torqkit RTK-6802.  Read More

Installation Instructions for 5R110W 2007-ON Underdrive Clutch Torqkit | RTK-6801
July 02, 2019

Raybestos Powertrain technical support engineers take you through a step by step process of how to install the 5R110W 2007-ON Underdrive Clutch Torqkit RTK-6801.  

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Installation Instructions for 5R110W 2005-ON Intermediate Clutch Torqkit | RTK-5123
July 01, 2019

Raybestos Powertrain technical support engineers take you through a step by step process of how to install the 5R110W 2005-ON Intermediate Clutch Torqkit RTK-5123. 

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Installation Instructions for 5R110W 2003-ON Overdrive Clutch Torqkit | RTK-5114
June 30, 2019

Raybestos Powertrain technical support engineers take you through a step by step process of how to install the 5R110W 2003-ON Overdrive Clutch Torqkit RTK-5114.

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Installation Instructions for 5R110W 2003-2004 Intermediate Clutch Torqkit | RTK-5113
June 28, 2019

Raybestos Powertrain technical support engineers take you through a step by step process of how to install the 5R110W 2003-2004 Intermediate Clutch Torqkit RTK-5113.

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Installation Instructions for 5R110W Forward Clutch Torqkit 2003-2004 | RTK-5112
June 27, 2019

Raybestos Powertrain technical support engineers take you through a step by step process of how to install the 5R110W Forward Clutch Torqkit 2003-2004 RTK-5112.

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Installation Instructions for 5R110W Direct Clutch Torqkit | RTK-5111
June 26, 2019

Raybestos Powertrain technical support engineers take you through a step by step process of how to install the 5R110W Direct Clutch Torqkit RTK-5111.  Read More

Installation Instructions for 5R110W 2003-ON Coast Clutch RMAX-07 MaxPak
June 25, 2019

Raybestos Powertrain technical support engineers take you through a step by step process of how to install the 5R110W Coast Clutch 2003-ON RMAX-07 MaxPak. 

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Installation Instructions for 5R110W Coast Clutch 2003-2008 RMAX-06 MaxPak
June 24, 2019

Raybestos Powertrain technical support engineers take you through a step by step process of how to install the 5R110W Coast Clutch RMAX-06 MaxPak.  Read More

Hyundai A8TR1 Automatic Transmission Center Support Removal
March 27, 2019

Raybestos Powertrain Sales & Product Development Support Engineer, Irvin Gers helps save you time and trouble by showing the correct way to remove the Hyundai A8TR1 automatic transmission center support.

To read the full tech tip, click here

To watch the full video, click here
 

Different GPZ Material Colors/TorqKit vs. ZPak®
March 26, 2019

Why does the GPZ material come in different Colors in TorqKits?

What's the difference between a Raybestos Powertrain TorqKit and the ZPak?

We have the answers for you here: Read More
 

4R70W Neutrals On 3-4 Shift (Overdrive Band Not Applying)
March 25, 2019

Raybestos Powertrain Sales & Product Development Support Engineer, Irvin Gers diagnosis and fixes the common problem of the broken snap ring that cause the neutral condition of the 3-4 shift on 4R70W automatic transmissions.  To read the full tech tip, click here.  

Marking Check Ball Location
March 21, 2019

Raybestos Powertrain Sales & Product Development Support Engineer, Irvin Gers used a 4R70W transmission valve body to explain how marking or "scribing" the location of valve body check balls can be helpful if you don't have a diagram.  Read More

Check Separator Plate Gaskets
March 21, 2019

DIY Tech Tip: Check Seperator Plate Gaskets

Raybestos Powertrain Sales & Product Development Support Engineer, Irvin Gers uses a 4R70W transmission valve body to discuss the importance of checking to make sure you have the gasket.  Read More

 

Ask Ray! Mercedes 722.9 Rebuild
March 19, 2019

Most of the time Ray is asked the question, but this time around, Ray is going to share a technical tip to make the Mercedes 722.9 a little easier to rebuild – especially the first unit.

Problem: While working on a 722.9 Mercedes transmission, you will find a snap ring in the K3 Drum, which appears to be stubborn to remove. Below is a picture of the drum and diaphragm spring.  Read More

Ask Ray! Hi-Static Friction Clutch Plates
March 05, 2019

Question: I recently purchased a gen2™ Blue Plate Special® Clutch-Pack® Module for a 4L60E transmission. I noticed the Low / Reverse and the Reverse Input clutches are tan colored while the rest are blue. Why would Raybestos® put these tan frictions be in a Hi-Performance friction module? Read More

How to Install Chrysler 68RFE ZPak™ RZP-008 Overdrive Clutch Pack
March 05, 2019

Chrysler 68RFE ZPak RZP-008 

Contents:

1 UD/OD Pressure Plate

1 Thin Steel Reaction Plate

7 ID Splined Single Sided Friction Plates

7 OD Splined Single Sided Friction Plates

1 OD/Rev Pressure Plate

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Ask Ray! Difference Between White and Black Connector Solenoids
February 26, 2019

Question: I have a 1996 Taurus. Every time I order the shift solenoids from my supplier I receive Raybestos Powertrain solenoids with a black connector. I am told by my supplier they will work in place of the white connector solenoid. Can you please explain why?        Read More

Ask Ray! Raybestos Powertrain Solenoids and Sensors
February 12, 2019

Question: What makes the Raybestos sensors and solenoids better than OE and other aftermarket sensors and solenoids?  Read More

DL501 Wet Dual Clutch Key Points of Interest
February 08, 2019

The DL501 Wet Dual Clutch Unit - 7-Speed Transmission found in Audis.  For some key points of interests on how to properly remove the clutch plate, click Read More.

Ask Ray! Where to put the thinner steel plates in the clutch drum?
February 04, 2019

Question: When installing steel plates of a different thickness in a clutch drum, does it matter where I put the thinner steel plates in the clutch drum?  Read More

Ask Ray! Mean Radius and Torque Capacity
February 04, 2019

Question: I have 2 friction plates that are identical except for the inside diameter of the friction material. Should I use the parts with a wider cross section? I have asked others and have heard the term "mean radius." Can you explain what that means and if I should be careful about what I specify?  Read More

 

How to Install TorqKit for 48RE Rear Clutch 2003-UP
January 29, 2019

Part No: RTK-4802

Components: 

5 pcs ID Splined Frictions

4 pcs OD Splined Steels

1 pcs OD Splined Pressure Plate

For full installation instructions, click Read More

How to Install TorqKit for 48RE OD Brake 2003-UP
January 29, 2019

Part No: RTK-4803

Components: 

7 pcs Frictions

7 pcs Steels

1 pc OD Splined Pressure Plate

For full instructions, click Read More

How Install TorqKit for 48RE Front Clutch 2003-UP
January 28, 2019

Part No: RTK-4801

Components: 

8 pcs SS OD Splined Friction 

8 pcs SS ID Splined Friction 

1 Thin Apply Rate

1 Stepped Backing Plate

For full Installation instructions, click Read More

How to Install the Allison 1000 C1 Torqkit 1999-UP
January 09, 2019

Part No: RTK-1001

Components:

  • 8 pcs SS OD Splined Friction
  • 8 pcs SS ID Splined Friction
  • 1 Thick Apply Plate (5-speed)
  • 1 Thin Apply Plate (6-speed)

Click here to view full instructions

 

Paper Based Material vs. Sintered Metal in Automotive Automatic Transmissions
August 07, 2018

There are applications where sintered metal is the preferred choice; however, in automotive automatic transmissions, compliance of paper based materials resulting in excellent load distribution and favorable friction characteristics make paper materials a much better and more durable choice. Read More

SMOOTH IS IN - ROUGH IS OUT
March 13, 2017

A serious misconception, still held by many, is that a rough steel surface is necessary for a "good clutch apply". Actually it IS NOT. A thin film of oil between the paper and the steel creates a powerful holding bond. The bonding created by this oil film makes it possible for a clutch pack to apply and release thousands of times without wear.

Water and Automatic Transmissions: A Rebuild In The Making
May 09, 2016

It doesn't take much of the wet stuff to create enough damage that the best solution is a rebuild. Read More

GM 6L80/90: Cracked or Split Sump Filter
March 30, 2016

That cracked or split sump filter may only be a symptom...Read More

Mean Effective Radius
February 05, 2015

If you have two friction plates that are identical, except for the inside diameter of the friction material, then you need to identify the mean effective radius of each plate.

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Plates of Different Thickness in the Clutch Drum
February 05, 2015

When installing steel plates of different thickness in a clutch drum, the placement of the thinner plates can be important. And, the ideal placement of those plates depends on which clutch drum you’re using.

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