These
guides, covering the Q45 from 1990-2005, will assist you in servicing or upgrading your
vehicle. No
guarantees are made on the results, and anything you do yourself
is at your own risk.
Buying
Advice - A thorough checklist of what to look for when
buying your 1990-1996 Q45.
1994-1996
Engine In 1990-1993 Q45
Nitrous
and the Q45 - 1990-1996 Q45.
Considering an engine rebuild? - 1990-1996 Q45.
Which brand of brake pad and rotor?
Extending
Automatic Transmission Life - For all Nissans and
Infinitis.
NOTE: 2002-2005 Q45 requires a special Nissan
transmission fluid.
Differential
Gears - Everything you need to know about proper
maintenance.
Seafoam
Treatment - For engine clean-up. Should you use it?
Oil,
Filters, Flushes - - 1990-2001 Q45. Choose the best
oil for your driving habits and climate. Learn how to properly
choose and install a filter.
Painting Calipers
Active
Suspension - General information on
upkeep and repairs for the Infiniti Q45a.
Radiator
and Cooling System - The importance of proper maintenance.
Transmission
Maintenance Guide - Applies to Q45 and J30
NOTE: 2002-2005 Q45 requires a special Nissan
transmission fluid.
Required
Spark Plugs - Buy from us to purchase these plugs at over 50% off
retail with free shipping.
Level
10 Transmissions - Located in New Jersey, offers
Q45 transmission upgrades for improving performance and
reliability. Ask for Pat at 973-827-1000.
For first-gear starts in the 1990-1992 Q45, you can
purchase and install a 1993-1995 TCU.
Fuel System Maintenance
Guide - Coming soon.
Suggestions: Use a can of BG44k every 3,000-6,000 miles. Also, keep the fuel level above half as much as possible to
keep the fuel pump and control unit cool. Try to use gas stations
that seem to provide clean, quality fuel. An annual fuel rail
flush also helps.
