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4LHD/4LHDX Application Manual
Powertrain Control Solutions
REV 1.1
2.1.4 Bellhousing to Flywheel Housing Interface
The conguration of the engine mounting face varies according to engine usage. The 4LHD/4LHDX currently supports
ve types of mounting faces. Contact PCS for an updated list. Figures 2.1.4-1 to 2.1.4-5 show these bellhousing
congurations. Dimensions are for reference only.
Reference section 3.1 for a discussion of assembly considerations that are critical to the alignment of the transmission
to the engine. These bellhousings have been factory installed to 51 lb*ft / 70 N*m, removing them without the instruction/
permission of PCS will damage the transmission and void your warranty.
Figure 2.1.4-1: GM GEN III Bellhousing Front View