Nissan Pathfinder

Nissan Pathfinder 

The Nissan Pathfinder is a SUV manufactured by Nissan Motors since 1986, derived from Nissan's compact pickup truck platform. The Pathfinder is slotted in size between the Murano and Armada or Patrol, but in price between the Xterra and Murano. The Pathfinder's traditional Japanese competitor is the Toyota 4Runner.

First generation WD21 series (1986.5–1995)

The North American first generation Pathfinder came in two different bodies and shared styling and most components with the Nissan Hardbody Truck. Built on a ladder-type frame, the Pathfinder was Nissan's response to the Chevrolet Blazer, Ford Bronco, Jeep Cherokee, and non-American SUVs like the Toyota 4Runner, Isuzu Trooper, and the Mitsubishi Montero. WD21 Pathfinders were available in both 2WD and 4WD configurations. In the US from 1986.5 to 1989 Pathfinders came with a two door body. In early 1990 it became a four door in the United States. Some US 1990 Pathfinder's came with the two door body, but they are rare. Before the Pathfinder there was the Nissan Bushmaster (an aftermarket conversion of the Datsun Truck), but this too, is rare.

When the four door version was introduced, Nissan chose to conceal the door handles as a part of the "C" pillar trim to visually make it appear like a two door truck with a camper shell, with the conventional door handles on the front doors. This design tradition is still used on some Nissan SUV's currently offered, to include the Nissan Armada and the Nissan Xterra.

The 2-door version was available in Canada until 1990. From 86.5 to 1989 Pathfinders were available with either the Nissan VG30i 3.0 L V6 (143 hp (107 kW), 162 lb·ft (220 N·m) torque), or
the Nissan Z24i 2.4 L (106 hp (79 kW)) I4 (the same engine choices as the Nissan Hardbody Truck). In 1990 the V6 received an upgrade from throttle body injection to a multi point fuel injection system. This engine was known as the VG30E, and was rated at 153 hp (114 kW) and 180 lb·ft (244 N·m) torque. Also in 1990, the Z24i was replaced with the KA24E. The first generation continued until 1995. In certain countries this generation also came with a 2.7 L I4 Diesel Engine known as the TD27 with the option of a turbocharger to increase the power rating.

The first generation (WD21) Pathfinders are known to develop rust in the following areas: the frame above and behind the rear wheels, the floor directly above the catalytic converter and under the back seats. On automatic-equipped models, the transmission cooler is notorious for clogging up and starving the transmission of fluid, resulting in a costly rebuild or replacement. Installation of an aftermarket transmission fluid cooler is recommended for any WD21 Pathfinder with an automatic transmission. Nissan techs generally recommend that the stock cooler in the radiator not be used at all.
 

Second generation R50 series (1996–2004)

 The second generation was introduced in 1996 with more rounded styling. The second generation Pathfinder was completely redesigned from the first generation, switching from body on frame construction to unibody construction. The engine was upgraded to the VG33E, with 168 hp (125 kW) and 196 lb·ft (266 N·m) torque. For the 1999½ model year, the Pathfinder was freshened. 2001 brought a new 240 hp (179 kW) V6 engine, the VQ35DE. With its facelift, the Pathfinder also grew in size, making way for the compact Xterra.

Diesel engines continued to be used in Japanese and European models.

As of the 2002 model year, the Terrano / Pathfinder is no longer sold in Japan, and is currently available in North America, Europe and the Middle East. 
1996-2000 Pathfinder rear bushing problem

Nissan has issued a TSBS (Technical Service Bulletin) on the issue (NTB908-001, NTB098-012), but has not dealt with it as a recall. It is an expensive fix ($700–1,400) repair due to faulty control arm bushings. A Polyurethane after-market bushing replacement is suggested over the OEM part (since it is faulty).[3]

Their TSB website says: "If a 1996-98 Pathfinder exhibits the following conditions, the cause may be from worn bushing(s) in the rear suspension upper and/or lower links. Excessive play in the rear axle especially during moderate acceleration or deceleration. Vehicle pulling at a constant speed. Excessive sway and rocking motion in the front suspension when coming to a stop. To correct these conditions, use the service procedure on page 2"

Many customers have complained of this issue happening at highway speeds 55 mph+ which causes the vehicle to sway back and forth dangerously. NTSB "complaint" board has numerous owners that have complained about the problem but Nissan has not addressed the design flaw or issued notices or recalls to the owners.[4]
1996-2004 Pathfinder Strut housing rust issue

NHTSA website says that the front strut assembly can develop corrosion due to salt intrusion from road salt. This can cause the front strut to become rusted out and separate from the vehicle creating a safety hazard.

    Summary: "NISSAN IS RECALLING CERTAIN MODEL YEAR 1996-2004 PATHFINDER AND MODEL YEAR 1997-2003 INFINITI QX4 VEHICLES ORIGINALLY SOLD, OR CURRENTLY REGISTERED IN, CONNECTICUT, DELAWARE, IOWA, ILLINOIS, INDIANA, MASSACHUSETTS, MAINE, MARYLAND, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WASHINGTON D.C., WEST VIRGINIA AND WISCONSIN. IN AREAS OF THE COUNTRY IN WHICH HEAVY CONCENTRATIONS OF ROAD SALT ARE USED, A MIXTURE OF SNOW/WATER AND SALT MAY ENTER AN ASSEMBLY LOCATION HOLE IN THE UPPER STRUT HOUSING, CAUSING WATER TO COLLECT AT THE MATING SURFACE OF THE STRUT HOUSING PANEL AND THE INNER HOOD LEDGE ASSEMBLY. OVER TIME, THIS SNOW/WATER AND SALT INTRUSION MAY RESULT IN CORROSION OF THE STRUT TOWER HOUSING IN SOME SUBJECT VEHICLES."

    Consequence: THE STRUT HOUSING MAY CRACK AND PULL AWAY FROM THE INNER HOOD LEDGE ASSEMBLY. THIS MAY LEAD TO GRINDING NOISES, INCREASED STEERING EFFORT, AND POSSIBLY THE STEERING COLUMN TO BREAK, RESULTING IN THE LOSS OF STEERING CONTROL, WHICH COULD RESULT IN A CRASH.

    Remedy: NISSAN WILL INSPECT THE STRUT HOUSING AND REPAIR THE VEHICLES AS NECESSARY, FREE OF CHARGE. AN INTERIM NOTIFICATION LETTER TO OWNERS WILL BE MAILED ON OR BEFORE MAY 16, 2011. OWNERS MAY CONTACT NISSAN AT 1-800-647-7261.

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