This two-speed chain-driven transfer case uses a gerotor, a clutch pack coupled to a hydraulic pump, to transfer torque between the front and rear axles. While other Jeep vehicles used the Mopar 5 x 4.5 bolt circle, this was the first Jeep following the 1987 Chrysler buyout to receive a wider wheel bolt pattern: – 5 x 5 - (metric 5 x 127mm).Ī notable feature available in this generation was the automatic four wheel drive option called Quadra-Drive, which employed the New Venture Gear NV247 transfer case. A redesign of the intake manifold added 10 horsepower (7.5 kW). The Inline 6 engine was also updated for MY1999. The new V8 engine produced less torque than the old pushrods, but was lighter, offered better fuel economy, and provided similar on road performance figures (the 23-gallon fuel tank was replaced with one of a 20.5-gallon capacity). The two heavy pushrod V8 engines were replaced by Chrysler's then-new PowerTech.
The spare tire was relocated from the side of the cargo compartment to under the floor.
Unveiled at Detroit, MI Cobo Hall on June 16, 1998, the redesigned WJ 1999 Grand Cherokee shared just 127 parts with its predecessor (mostly fasteners) and took 28 months to develop from its March 1996 design freeze (styling approval in Q3 1995). Jeep marketed the (WJ) as "the most capable SUV ever." The WJ was completely overhauled from its ZJ predecessor, and was renowned for its off-road capability. Unveiled in Detroit, Michigan, on June 16, 1998, production lasted until 2004 in the US, continuing in foreign markets until 2005. The Jeep Grand Cherokee (WJ) is the second generation of the Jeep Grand Cherokee sport utility vehicle. Beijing Jeep 4000 (4.0 L I6) or Beijing Jeep 4700 (4.7 L V8) (in China)įront-engine, rear-wheel drive or four-wheel drive
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