
Service Information
2020 GMC Terrain |
Equinox, Terrain Service Manual (N America, Israel, MidEast - except Central America/Caribbean) (13286553) |
Document ID: 1905812
Fluid Pressure High or Low
Fluid Pressure High or LowChecks | Causes |
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Fluid Pump Assembly (201) | - Inspect for loose fluid pump bolts (204).
- Inspect for leaking or damaged fluid pump outlet seals (24) and oil filter seal.
- Inspect for improperly installed, restricted or damaged oil filter (203).
- Inspect for sticking line pressure blow off valve (304).
- Inspect for worn, sticking or damaged pressure regulator valve (309) or pressure regulator valve spring (308).
- Inspect for damaged or restricted oil ports in the oil pump body (303).
- Inspect for missing, leaking, or damaged auxiliary fluid inlet pump seal (371) – Hybrid Models.
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Torque Converter Housing (208) | - Inspect for missing or restricted differential lube oil circuit orifice.
- Inspect for missing front differential carrier baffle (205).
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Control Solenoid Valve Assembly (w/Body and TCM) (7) | - Inspect for leaking or damaged filter plate assembly seals (8).
- Verify VBS operation is not stuck high or low.
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Case Assembly (50) | - Inspect for proper fluid level.
- Inspect for missing lube oil circuit orifice or front differential carrier baffle (62).
- Inspect for leaking or damaged valve body spacer plate assembly (12).
- Inspect for damaged or leaking fluid check valve (55).
- Inspect for leaking, damaged or broken fluid level control valve (13).
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Torque Converter Assembly (28) | - Inspect for damaged torque converter clutch seal (inside converter assembly).
- Inspect for damaged or disengaged torque converter hub to oil pump drive gear.
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