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robert:nissanaltima2012 [2025/09/03 01:01]
dwheele
robert:nissanaltima2012 [2026/03/14 18:38] (current)
dwheele [Oil Change]
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 ====== Robert's Nissan Altima 2012 ====== ====== Robert's Nissan Altima 2012 ======
 +
 +^VIN|1N4AL2AP5CN445401|
 +
  
 ===== Transmission Problems ===== ===== Transmission Problems =====
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 Ordered a replacement VVT Solenoid (delivery scheduled 8/31/2025) from Amazon for about $18.  Ordered a replacement VVT Solenoid (delivery scheduled 8/31/2025) from Amazon for about $18. 
  
-{{ :robert:engine_performance_-_nissan_altima_s_2012_-_system_wiring_diagrams_.pdf |Wiring Diagrams for 2012 Nissan Altima}}+{{ :robert:engine_performance_-_nissan_altima_s_2012_-_system_wiring_diagrams_.pdf |Wiring Diagrams for 2012 Nissan Altima}} (purchased for $19)
  
 Installed VVVT Solenoid. Possibly some changes, but the clanging remains. It might even be not quite as good as the original solenoid when applying 12V or 14V. Installed VVVT Solenoid. Possibly some changes, but the clanging remains. It might even be not quite as good as the original solenoid when applying 12V or 14V.
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 [9/1/2025] [9/1/2025]
 +
 +==== Intake Cam Gear O-Ring ====
 +
 +There are 3 o-rings on a "snout" which plugs into the back of the Intake Camshaft Gear. They are hard to find. 
 +
 +https://www.z1motorsports.com/front-timing-cover/nissan/vq35hr-vq37vhr-timing-cover-ring-and-seal-kit-p-9484.html
 +
 +Initially I thought that these o-rings were too loose, but I didn't think about the fact that the o-rings slide back and forth on their **inside** diameters. The outside diameter just seem to match the inside of the intake camshaft gear.
 +
 +{{:robert:intakecamshaftgearo-rings.jpg|Photo from YouTube'r (not our engine)}}
 +
 +Notice that the o-rings have a diagonal cut in them.
 +
 +This video shows the o-rings, although the motor is a slightly different model.: https://youtu.be/C0O-5mF8g2k?si=sNBoYgzTK8C6izC0&t=281
 +
 +[9/6/2025]
 +
 +===== Transmission Fluid Leak =====
 +
 +Altima had terrible clunking and poor transmission performance. Checked CVT Automatic transmission fluid, it was mostly gone from dipstick.
 +
 +Discovered pin hole in transmission cooler rubber hose, fluid had been slowly leaking out of it. Replaced for $4.51.
 +
 +===== Brakes =====
 +
 +Changed front pads, and driver-side rotor.
 +
 +[12/26/2025]
 +
 +===== Oil Change =====
 +
 +This is the first change since the installation of the new engine.
 +
 +Oil change (not filter) 146,463. 5W 30 O'Reilly Oil.
 +
 +
 +
 +===== Transfer to Dan =====
 +
 +Transferred this vehicle to my ownership. Robert gave it to me as a gift, and I processed this on Oct 20, 2025.
 +
 +===== Replaced Power Steering Pipe =====
 +
 +This probably was damaged when installing the engine (during 2025)
  
  
robert/nissanaltima2012.1756861272.txt.gz ยท Last modified: 2025/09/03 01:01 by dwheele