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J.D. Power study sees new car dependability problems increase for first time since 1998

For the first time since 1998, J.D. Power and Associates says its data shows that the average number of problems per 100 cars has increased. The finding is the result of the firm's much-touted annual Vehicle Dependability Study, which charts incidents of problems in new vehicle purchases over three years from 41,000 respondents.
Looking at first-owner cars from the 2011 model year, the study found an average of 133 problems per 100 cars (PP100, for short), up 6 percent from 126 PP100 in last year's study, which covered 2010 model-year vehicles. Disturbingly, the bulk of the increase is being attributed to engine and transmission problems, with a 6 PP100 boost.
Interestingly, JDP notes that "the decline in quality is particularly acute for vehicles with four-cylinder engines, where problem levels increase by nearly 10 PP100." Its findings also noticed that large diesel engines also tended to be more problematic than most five- and six-cylinder engines.

A smoother operator | 2017 Acura MDX Sport Hybrid First Drive

There's a lot to unpack when trying to understand the 2017 Acura MDX Sport Hybrid. Acura is billing it as a three-row crossover infused with NSX technology via a sport-oriented hybrid drivetrain. So it's a hybrid crossover, sure. But it doesn't comport itself like a traditional crossover, nor is it a conventional hybrid. What it is, underneath, is an intentionally subtle blend of impressive technologies doing their best to appear transparent – and it's too subtle, I fear, to be appreciated by those who'd like it the most. This is a lot of foreshadowing, but if you're not familiar with the MDX Sport Hybrid's powertrain, let's fill you in. The MDX Sport Hybrid uses the same basic system as the 2014 RLX Sport Hybrid, with some newer NSX battery tech sprinkled in, packaged neatly into the refreshed third-generation MDX platform. The system improves handling and efficiency – but more important, it smoothes out the harshness of shifts and engine stop-starts. We do need to examine the system in some detail to understand how all this affects the MDX as a whole, so let's go toe to tail. Up front is a transversely-mounted 3.0-liter V6 making 257 horsepower and 218 pound-feet of torque, as well as featuring i-VTEC and cylinder deactivation. It's slightly smaller than the 3.5-liter V6 found in the conventional MDX and many other Honda and Acura products. Attached alongside is a Honda-produced 7-speed dual-clutch transmission that has a 47 hp, 109 lb-ft electric motor-generator stuffed inside. Amidships are the battery pack and the electronics to control it, and stretching aft from there are large cables feeding power to a pair of electric motors that reside in single housing, one for each wheel. Together, they produce electron witchcraft and torque-delivery wizardry – and add 72 hp and 108 lb-ft of torque to the mix. The total system output is 321 hp and 289 lb-ft of torque – a gain of 31 hp and 22 lb-ft over the conventional MDX SH-AWD. Beyond the raw numbers, there's the remarkable subjective benefit of the Sport Hybrid's drivetrain. Engine start-stop events are quiet and smooth, nearly imperceptible when under way – in stark contrast to the too-perceptible shudder of competing engines kicking on. The electric motors (mainly the one residing in the transmission) add in power to make up for the lull during a shift, making shifts up or down seamless, as well as providing regenerative capacity.

Acura recalls 106K MDX models for AC system bolt

The National Highway Traffic Safety Administration is announcing a recall covering the air conditioning system on 106,439 units of the 2014-2015 Acura MDX. The affected examples have production dates between April 23, 2013, and December 16, 2014. While the problem doesn't create a major safety concern, it could be very annoying when driving during the intense heat of the summer months. On these luxury crossovers, the bolts on the air conditioning compressor clutch drive might not have the proper anti-corrosion coating. This makes it more likely for them to eventually break, and if that happens the AC pulley could fall off the CUVs. Acura reports no injuries or crashes form the issue, and the company discovered the issue through warranty claims for the air conditioning not working. To repair the problem, dealers will replace the bolts. They'll also inspect the AC clutch plate and will replace it if necessary, as well. The repairs for some owners should already be in progress, according to NHTSA. Related Video: RECALL Subject : A/C Compressor Clutch Drive Bolts may Corrode Report Receipt Date: JUL 01, 2015 NHTSA Campaign Number: 15V417000 Component(s): EQUIPMENT Potential Number of Units Affected: 106,439 All Products Associated with this Recall Vehicle Make Model Model Year(s) ACURA MDX 2014-2015 Details Manufacturer: Honda (American Honda Motor Co.) SUMMARY: Honda (American Honda Motor Co.) is recalling certain model year 2014-2015 Acura MDX and MDX AWD vehicles manufactured April 23,2013, to December 16, 2014. The affected vehicles have air conditioning compressor clutch drive bolts that may not have received the proper anti-corrosion coating. CONSEQUENCE: If a bolt was not coated, it may corrode and break as a result. If the bolt breaks, the compressor clutch plate may separate from the vehicle, possibly becoming a road hazard. REMEDY: Honda will notify owners, and dealers will replace the air conditioning compressor clutch drive bolt and install a new clutch plate if necessary, free of charge. The recall is expected to begin July 31, 2015. Owners may contact Acura client relations at 1-800-382-2238. Honda's number for this recall is JQ7. NOTES: Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov. Statement by Acura Regarding Air Conditioner Clutch Drive Bolt Recall: 2014-2015 Acura MDX Jun 25, 2015 - TORRANCE, Calif.