Facts Built in Japan. Produced 1989-1996. Year-to-Year Changes (Src: Consumer Guide, some changes made) 1990 Infiniti Q45: The 1990 Q45 is the most sought after by performance enthusiasts for having the tightest and most responsive steering, quickest shifting, and an actual power rating of 300-305hp. Because of a “gentleman’s agreement” among Japanese manufacturers, vehicles above […]
By: silver2k2 I wanted to create this guide to help people who want to convert their active. The topic of whether or not to convert has been addressed many times. It is really a personal decision and what you want to do with your car. I know T3 has done lots of these as has […]
Resolving Rough IdleBy Jesda Gulati Fuel Injectors – Bad gas or regional mixtures tend to result inearly injector failures. A fuel smell in the cabin also hintsat injector problems. Non-OEM injectors are not recommended.Learn how to test your injectors Fuel System- Purchase a can of BG44kfrom Infiniti of Scottsdale and add it to a 3/4 […]
Here’s a little write-up on how to remove the Cooling Unit from your G50 Q45. The Cooling Unit is where the AC evaporator is found as well as the expansion valve. I’m starting with the glove box already removed, since most of us have done this and to help keep this short and sweet. I’ve […]
Is your Glove Box hanging? Dangling? Living in the trunk? Do you not want to search for a new glove box hoping that it’ll be the right color and that the hinges won’t break on it, too? Why not manufacture some hinges of your own that are stronger than stock and much less costly than […]
Q45 Knock Sensors By: Wes Stinson A common problem that has plagued many Nissan and Infiniti vehicles is problems with the knock sensors (also called KS). Bad KS will not throw a CEL (Check Engine Light). Symptoms include loss or poor acceleration and can also cause bucking/jerking problems. Generally, knock sensors do not cause the […]
Development goals for the VK45DE engine were focused on balancing performance and quietness and smoothness. This SAE paper highlights the technologies utilized to meet these goals.
The Q45 was The Q45 was Infiniti’s flagship sedan for 16 years (1990-2006) – a stylish, full sized luxury sports sedan and the Infiniti brand’s first flagship. Sold in the US between 1989 and 2006, it unintentionally became one of industry’s best kept secrets. A surprisingly agile luxury sedan with a torquey 278hp 4.5L V8, […]