Chrysler JA platform

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The JA platform was Chrysler's smaller complement to the LH cars which were larger than the K's, and a direct size replacement for the last extended K cars, the Acclaim and Spirit. It was a mid-size Front-wheel drive Automobile platform and was the basis for the Cloud Cars - the Chrysler Cirrus/Dodge Stratus/Plymouth Breeze starting in 1995. Like the LH, it was a Cab forward design. While this platform was numerically successful, the highest volume for family cars competing against cars like the Taurus, Accord or Camry would move to the LH platform cars, which were often classified as full-size.

Contents

1995


The first JA cars were the 1995 Chrysler Cirrus and Dodge Stratus. These were available with either a 2.0 L 16-valve SOHC, 2.4 L 16-valve DOHC, or a Mitsubishi-designed Mitsubishi 6G7x engine engine. The Plymouth Breeze was introduced in 1996 with most of the same options available to the other two models (minus the V6 engine).

A 5-speed Manual transmission (NV-T350) was available with the 2.0 L engine, and a 4-speed Automatic transmission (A604) came with the larger engines. AutoStick was an option for some trim levels with the 2.5 L engine. The wheelbase was a long 108 inches.

All JA sedans were built at the Chrysler Sterling Heights Assembly Plant in Sterling Heights, Michigan.

In Europe this car became known as Chrysler Stratus.

1996


A modified version of the JA platform called JX debuted in 1996 as the Chrysler Sebring convertible. Changes for the JX were the removal of the back doors and roof, stiffening the chassis to compensate for the loss of a solid top, and lengthening of the front and rear clips. The JX also had larger rear brake drums, ceramic brake pads, and a cooler thermostat to compensate for the increased weight of the reinforcements to the unibody. The available engines and transmissions are identical to that of the Chrysler Cirrus. Unlike the sedans, the convertibles were assembled in Mexico.

2001


The platform was updated in 2001, becoming JR. The Dodge Stratus name was carried over, and the Cirrus became the Chrysler Sebring sedan. The Chrysler Sebring convertible was built on the JR platform as well. The Breeze name was dropped (with the rest of Plymouth automobile).

Engines available were the 2.4 L I4 and the 2.7 L LH V6. The wheelbase remained at 108 in, although the track was increased slightly.

The JR sedans were built at the Sterling Heights Assembly Plant, and convertible moved back there from Mexico. The tooling from Sterling Heights Assembly was sold to Russia-based GAZ in 2006. GAZ intends to move the whole production line to a plant in Russia to build licensed JR sedans under a different name - GAZ Siber - a facelifted Chrysler Sebring of the first generation.

Confusingly, the vehicle nameplates were shuffled with the Diamond Star Motors (DSM) coupes. The first generation of the Avenger became the Stratus coupe, and the newly-renamed Chrysler Sebring sedan now shared a name with the second generation Sebring coupe. Both of the coupes were based on the third generation Mitsubishi Eclipse and built alongside the Eclipse. They had nothing in common with the JR platform other than the names.

See also

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