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Engine bay of a 1993 Jeep Grand Cherokee with 4.0 L The 5 millionth Jeep 4.0 engine produced on the "Greenlee Block Line" dated June 15, 2001 The 242 cu in (4.0 L) engine was developed by AMC [ when? ] in just 26 months using many off-the-shelf components while featuring, among others, additional strength, improved combustion chamber, port ...
The Jeep Wrangler YJ is the first generation of Jeep Wrangler four-wheel drive small off-road vehicles, rebadging and succeeding Jeep's CJ series, which was produced from 1944 to 1986. The first Wrangler (internally "YJ") was launched in 1986 and ran through 1995.
The AMC straight-4 engine is a 2.5 L straight-four engine developed by American Motors Corporation (AMC) that was used in a variety of AMC, Jeep, and Dodge vehicles from 1984 through 2002. The 2.5 L I4 Jeep engine shared design elements and some internal components with the AMC 4.0 L I6 that was introduced for the 1987 model year.
The bell housing bolt pattern for the old AMC 196 Straight-6 engine is the same as for the more modern early 199 and 232 (used from 1964 to 1971), but the 196 had different dowel pin sizes. AMC's 1956 to 1966 V8s used a different bell housing bolt pattern that was slightly larger in diameter than the six cylinder bell.
The Renault-developed 126 cu in (2.1 L) 4-cylinder turbodiesel was an optional engine used in AMC's Jeep line between 1984 and 1986. It was mated to a standard four-speed or optional five-speed manual, and with either transmission delivered exceptional fuel economy. [ 3 ]
The Jeep Wrangler (YJ) did not get the AMC 4.0 L I6 engine until 1991, when Chrysler-designed electronics accompanied it. Until then, it retained the AMC 258 cu in (4.2 L) engine with a carburetor. No other Jeep vehicle was equipped with Renix electronic controls.
The BJ2021 was available with a 2.5 L engine and a four-speed manual gearbox for the 1985 through 2005 model years. For 1993, a 4 L I6 cylinder version was available paired to a five-speed manual transmission. [46] The BJ7250 uses the same 2.5 L engine as the BJ2021, but includes a five-speed manual gearbox instead of a speed-speed unit.
The Jeep version is labelled "NV(NP)241J." This is not the NV241OR transfer case found in the Jeep Wrangler Rubicon, which uses a 4.0 low range and has a reinforced case. Dodge uses a 241DHD, which has a reinforced case but the 2.72 low range. The Jeep Grand Cherokee/Commander line no longer offers a part-time transfer case option.