
        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  | 
|---|
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.
 
  | 
Torque Converter Housing (208)  | - Inspect for missing or restricted differential lube oil circuit orifice.
 - Inspect for missing front differential carrier baffle (205).
 
  | 
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.
 
  | 
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).
 
  | 
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.
 
  |