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Buick
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1991
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Skylark L4-151 2.5L
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Repair and Diagnosis
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Transmission and Drivetrain
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Automatic Transmission/Transaxle
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Testing and Inspection
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Component Tests and General Diagnostics
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Oil Leak Check
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Transaxle Pan or Valve Body Cover
Transaxle Pan or Valve Body Cover
1. Attaching bolts incorrectly torqued.
2. Gasket damaged or incorrectly installed.
3. Oil pan or valve body cover mounting face damaged.