buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

A/T - 200-4R New Oil Pump Vanes|Page 1867 > < A/T - DEXRON(R)-VI Fluid Information|Page 1862
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Fluid Pump: Technical Service Bulletins
A/T - 200-4R New Oil Pump Vanes

SUBJECT:

SERVICE AND PARTS INFORMATION ON NEW PLUMLP ASSEMBLY VANE RINGS

MODELS AFFECTED: 1981-1987 THM 200-4R (MW9) ALL MODELS
Bulletin 87-7200-7 Date 0ct. '87 Ref.No. 87-183-7200

Corp. Ref. No. 777142

Figure 2 - 200-4R Pump Body Assembly

BULLETIN COVERS

New 200-4R Transmission Oil Pump Assembly with Nodular Iron Vane Rings. The new design vane rings will reduce the possibility of vane ring
distress.

A/T - 200-4R New Oil Pump Vanes|Page 1867 > < A/T - DEXRON(R)-VI Fluid Information|Page 1862