Installation of Dual-Mass Flywheel - Transmission Digest

Main Navigation

Advertisement
Social Connect
Resources
Our Brand Family
Transmission Digest - Babcox Media
Helping transmission shops achieve successful and profitable operation.
Technical

Installation of Dual-Mass Flywheel

Today’s vehicles are becoming more and more complex to service, and following proper procedures is very important when making repairs to them. This is especially true when you’re replacing Infiniti and Nissan dual-mass flywheels.

Avatar
By Brian Smith
Published:
Installation of Dual-Mass Flywheel Standard Issues Subject: Installing dual-mass flywheel correctly Vehicle Applications: 2002-2012 Nissan, Infiniti Essential Reading: Rebuilder, R & R Author: Brian Smith

Standard Issues

  • Subject: Installing dual-mass flywheel correctly
  • Vehicle Applications: 2002-2012 Nissan, Infiniti
  • Essential Reading: Rebuilder, R & R
  • Author: Brian Smith

Today’s vehicles are becoming more and more complex to service, and following proper procedures is very important when making repairs to them. This is especially true when you’re replacing Infiniti and Nissan dual-mass flywheels.

Related Articles

The following vehicles have a crankshaft tone ring built into the flywheel:

  • 2008-2012 Nissan 370Z 3.7L
  • 2003-2007 Nissan 350Z 3.5L
  • 2002-2006 Nissan Altima Nissan Maxima 3.5L
  • 2005-2012 Nissan Xterra, Nissan Frontier 4.0L
  • 2003-2007 Infiniti G35 3.5L
  • 2008-2012 Infiniti G37 3.7L

On these vehicles, the dual-mass flywheel is not indexed on the crankshaft and can be installed different ways.
When the flywheel is installed incorrectly, the vehicle may not start, the check engine light may be illuminated, or the engine will not rev past 2,000 rpm.

When you’re removing a dual-mass flywheel from any of the vehicles listed, it is recommended that you make your own indexing marks on the flywheel and crankshaft. When installing the new flywheel, transfer your marks from the old flywheel to the new flywheel to ease installation and assure proper indexing.

If you have already removed the flywheel and did not make any indexing marks, follow this procedure for proper installation:

  • 1. With the flywheel removed look for the alignment dowel-pin hole on the end of the crankshaft (Figure 1).
  • 2. On the new flywheel find the same alignment dowel-pin hole. You can do this by finding the locating hole and notch on the front side of the flywheel (Figure 2).
  • When you have located the notch and hole on the front side, flip the flywheel over and find the same hole that goes all the way through the back side (Figure 3). Then look at Figure 1 and find the dowel-pin hole.
  • 3. When you have located both, align the two holes and torque the flywheel to the proper specifications.
  • 4. See Figure 1 to aid in locating the correct dowel-pin holes.

Brian Smith is group leader of technical services for the LuK, FAG and INA product lines of Schaeffler Group USA Inc.

You May Also Like

Figure 1.
Tech-Speak-April-Figure-1-1400
Featured

Don’t fear customer complaints about CVTs

Continuously Variable Transmissions, or CVTs, are more common than you think. Audi, Subaru, Nissan, Ford, GM and many other automakers use CVT transmissions in cars and SUVs. There is no way to avoid them. Chances are there is one in your shop right now. What does CVT mean for technicians? On the maintenance side, a

Andrew Markel
By Andrew Markel
Andrew Markel is an ASE Certified Technician and former service writer, and is now director of content for TD's sister sites, Import Car, Shop Owner and Brake & Front End.
Published:
CVT-Transmission-2

Continuously Variable Transmissions, or CVTs, are more common than you think. Audi, Subaru, Nissan, Ford, GM and many other automakers use CVT transmissions in cars and SUVs. There is no way to avoid them. Chances are there is one in your shop right now.

What does CVT mean for technicians? On the maintenance side, a CVT requires more or the same frequency of fluid and filter changes as a conventional automatic transmission, and many of the basic procedures are the same. On the diagnostic side, a CVT is less complicated internally than a six- or nine-speed transmission. Diagnostics with a scan tool are about the same. On the service side, while you may never pull a variator or belt out of a CVT, you can service components like sensors, pumps and valve bodies. The point here is not to fear a customer complaint about a CVT. 

Read Full Article

More Technical Posts
Shift Pointers: A Chrysler 300 no-shift complaint

The case study has to do with a 2009 Chrysler 300 C 5.7L Nag1 RWD with 71,923 miles on it (see Figure 1, above). Related Articles – 2024 State of the Powertrain Industry – Powertrain industry directory and buyer’s guide 2024 – A guide to common GM, Ford and Nissan programming issues It is based

By Bill Harris
A guide to common GM, Ford and Nissan programming issues

One of the most common complaints I hear from shops when trying to install a new GM TCM is, “The module will not communicate.” While that might be partially true, by design they won’t communicate until they are programmed. If programming fails, there will be an “E” code set which will help you get to

By Peter Fink Jr.
Shift of the shaft: Diagnosing Chrysler 48RE manual shaft issues

The TorqueFlite transmission has been around since mid-to-late 1950s. There have been many changes surrounding the manual shaft and rooster comb through the years. This transmission shaft controls the position of the manual valve that directs oil for the gear ranges, but it also is used for a Reverse light control as well as Park/Neutral

By Randall Schroeder
Sometimes, a diagnostic code is all you need

With ATSG having the opportunity to help shops solve problems, sometimes we get faced with some real doozies. A shop will call and give us a laundry list of DTCs, leaving us to think someone must have a bulkhead connector unplugged. We then go through the arduous task of deciding which codes prompted other codes

By Wayne Colonna

Other Posts

Easy TH400, 4L80-E reverse servo setup: Craft your own tool

While not as sensitive as some shifting bands, the Reverse band adjustment on a TH400 or 4L80-E transmission is critical, and failure to get it right has tripped up even the best builders. There is nothing worse than getting the transmission installed, putting it in Reverse and then not going anywhere or having no engine

By Caleb Perham
Spotting different 68RFE designs through the years to avoid issues

The Chrysler 68RFE has had several changes through the years. Its four-speed predecessor began with a noisy solenoid pack identified by a black colored pass-through case connector (seen in Figure 1).  Related Articles – Outgrowing the walls: The story of EVT Transmission Parts – Valve body and component suppliers: A comprehensive list – Shift Pointers:

By Wayne Colonna
Shift Pointers: Failures caused by incorrect tire sizes

For years ATSG has produced a wide range of issues related to improper tire sizes on vehicles. Even under-inflated tires have been known to cause issues. Problems such as premature failure with an active 4WD transfer case will occur with incorrect tire sizes. Related Articles – Understanding lube flow control valves in Toyota/Lexus UA/UB80 transmissions

By Wayne Colonna
Shift-Pointers-Jan-Figure-1-1400
Understanding lube flow control valves in Toyota/Lexus UA/UB80 transmissions

The Toyota/Lexus UA80 and UB80 transmissions first came out in 2017 in Highlanders and Siennas. The UA80 is used in V6 applications, and the UB80 is paired with four-cylinder versions. They have been called Toyota New Global Architecture type transmissions, and alternately referred to as the “Direct Shift 8AT” eight-speed automatic transmission. This transmission was

By Jim Dial
Tasc-Tip-December-Figure-1---LFC-Valve-OE-Partial-Circuit-Diagram-1400