The Nissan VQ35DE is one of the most widely used V6s ever - it has powered the 350Z, Maxima, Altima, Murano, Pathfinder, Quest, and various Infinitis since 2001. Strong performance, but high mileage examples have a known timing chain rattle and oil consumption pattern.
Solid V6, but well-known for timing chain rattle on cold start and oil burning past 150K. Many examples cross 250K when oil changes are religious.
Primary timing chains stretch and tensioners weaken past 150K - 350Z and G35 are the loudest. Causes startup rattle that lasts a few seconds. Eventually triggers P0011/P0021 cam timing codes.
View P0011 Diagnosis →PCV valve clogs or piston rings glaze. 2007-2008 Altima/Maxima examples were worst. Replace PCV first ($50). If still burning, expect a ring job.
View P0507 Diagnosis →Heat-soak failure on the crank position sensor causes intermittent no-start when hot. CKP sensors are cheap and easy.
View P0335 Diagnosis →Older pre-cats break down and the ceramic gets sucked back into the engine on intake stroke, scoring cylinders. The "Death Loop" problem. Update cats early.
View P0420 Diagnosis →Both valve covers and the oil cooler O-ring weep after 150K. Cheap fixes.
Rear bank plugs require intake manifold removal every 100K. Not a defect - just labor.
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2001-2003 350Z/G35 with original pre-cats. 2007-2008 Altima/Maxima for oil consumption.
2004-2006 350Z (revised cats), 2009-2013 Maxima (better PCV, lower consumption rate). For ultimate reliability, get the related VQ37VHR in the 370Z or G37.
Plan on $1,500-$3,000 for timing chain service around 150K-180K. Otherwise just oil changes, rear plug service every 100K, and PCV replacement preventively.
If your VQ35DE is throwing a check engine light, these are the codes most often associated with the problems above. Click any code for full diagnosis steps and typical repair costs.
Timing chain stretch and weakened tensioners on the primary chains. Past 150K, expect 1-3 seconds of rattle on cold start. Eventually requires chain, tensioner, and guide replacement.
Generally yes - 250K examples are common. Pre-cat failure on 2001-2003 and oil consumption on 2007-2008 are the main reliability blemishes.
2001-2008 Nissan Maxima, 2002-2013 Altima 3.5L, 2003-2008 350Z, 2003-2015 Murano, 2003-2017 Quest, 2003-2009 Infiniti G35, 2005-2012 Infiniti FX35, 2003-2013 Pathfinder.
On 2001-2003 350Z/G35, the original pre-catalytic converters break down and the ceramic gets sucked back into the cylinders on intake, scoring the bores. Replace the pre-cats early as preventive maintenance.
Timing chains - one primary chain to the head and one secondary chain on each bank. No scheduled replacement, but expect rattles past 150K.
200,000-250,000 miles with regular oil changes. The bottom end is durable; chain rattles and oil consumption typically appear before bottom-end issues.