Chrysler reports that some 2004-06 Pacifica models may produce a click or pop from the front axle(s) when the transmission is shifted from Drive to Reverse or Reverse to Drive, or while turning and accelerating from a stop. One likely cause for the noise, says the manufacturer, is a dry front axle/hub interface. Installing a new rubber gasket, part No. 04809863AB, between the outer CV joint and wheel hub should put an end to the noise.
Some 2007-08 Tundra pickup trucks and 2008 Sequoia SUVs with V8 engines may develop an oil leak that seems like it's coming from the bottom of the engine. Although at first glance the leak may appear to originate from the oil pan gasket, a more likely point, says Toyota, is the O-ring on the oil dipstick tube. Replacing the O-ring with an updated design, part No. 96721-19010, should eliminate further leakage issues.
Some 2008-10 Armada SUVs and Titan pickup trucks may emit a pop or clunk from the front suspension when going over pot holes, speed bumps and other rough road surfaces at speeds above 10 mph. One likely cause for the noise, says Nissan, is design flaws in the front coil springs. Installing new-design, upgraded springs should eliminate the noise issues. Be aware that the ride height will be approximately one inch lower with the new springs in position. Here are the models and part numbers for the updated coil springs:
- Armada, 2WD (No. 54010-7S002)
- Armada, 4WD (54010-7S102)
- Titan, 2WD (54010-7S000)
- Titan, 4WD (54010-7S300)
"Factory Fixes" is written by Jim DePalma, a 30-year veteran of the auto repair business who has served stints as a service manager, parts manager and ASE-certified technician. His column provides vehicle manufacturers' authentic factory technical service bulletins (TSBs) that have been condensed for easier reading. Mr. DePalma advises that techs always check with a dealer or repair information system for the latest revisions before starting to work on a vehicle. He can be reached via e-mail at [email protected].