A plugged valve may cause the following conditions
- Rough idle
- Stalling or slow idle speed
- Oil leaks
- Sludge in engine
A leaking valve would cause
- Rough idle
- Stalling
- High idle speed
Home/Chevrolet/Equinox/Chevrolet Equinox I (2004-2009)/Repair manual/Mechanical/Results of Incorrect Operation
Contents
Wiring diagrams Section: Mechanical- Fastener Tightening Specifications
- Engine Mechanical Specifications
- Sealers, Adhesives, and Lubricants
- Diagnostic Starting Point - Engine Mechanical
- Strategy Based Diagnostics
- Visual/physical Inspection
- Intermittent
- Symptom List
- Base Engine Misfire Without Internal Engine Noises
- Base Engine Misfire with Abnormal Internal Lower Engine Noises
- Base Engine Misfire with Abnormal Valve Train Noise
- Base Engine Misfire with Coolant Consumption
- Base Engine Misfire with Excessive Oil Consumption
- Engine Noise on Start-Up, but Only Lasting a Few Seconds
- Upper Engine Noise, Regardless of Engine Speed
- Lower Engine Noise, Regardless of Engine Speed
- Engine Noise Under Load
- Engine Will Not Crank - Crankshaft Will Not Rotate
- Coolant in Combustion Chamber
- Coolant in Engine Oil
- Engine Compression Test
- Tools Required
- Oil Consumption Diagnosis
- Low or No Oil Pressure
- Locating and Identifying the Leak
- Visual Inspection Method
- Powder Method
- Black Light and Dye Method
- Possible Causes for Leaks
- Crankcase Ventilation (Cv) System Inspection
- Results of Incorrect Operation
- Diagnostic Aids
- Test Description
- Drive Belt Whine Diagnosis
- Drive Belt Tensioner Diagnosis
- Removal Procedure
- Installation Procedure
- Engine Mount Inspection
- Valve Stem Oil Seal and Valve Spring Replacement
- Crankshaft Balancer Replacement
- Draining Fluids and Oil Filter Removal
- Crankshaft Balancer Removal
- Engine Flywheel Removal
- Drive Belt Tensioner Removal
- Engine Mount Support and Strut Bracket Removal
- Engine Lift Bracket and Generator Bracket Removal
- Engine Lift Bracket Removal - Rear
- Oil Level Indicator and Tube Removal
- Oil Filter Adapter Removal
- Exhaust Crossover Pipe Removal
- Exhaust Manifold Removal - Left
- Exhaust Manifold Removal - Right
- Water Outlet and Thermostat Removal
- Valve Rocker Arm Cover Removal - Left
- Valve Rocker Arm Cover Removal - Right
- Intake Manifold Removal - Upper
- Intake Manifold Removal - Lower
- Valve Rocker Arm and Push Rod Removal
- Valve Lifter Removal
- Water Pump Removal
- Cylinder Head Removal - Left
- Cylinder Head Removal - Right
- Oil Pan Removal
- Oil Pump Removal
- Oil Pump Drive Removal
- Engine Front Cover Removal
- Timing Chain and Sprockets Removal
- Camshaft Removal
- Piston, Connecting Rod, and Bearing Removal
- Crankshaft Rear Oil Seal Removal
- Crankshaft and Bearings Removal
- Engine Block Disassemble
- Engine Block Cleaning and Inspection
- Boring Procedure
- Honing Procedure
- Engine Block Assemble
- Crankshaft and Bearings Cleaning and Inspection
- Bearing Selection
- Crankshaft Balancer Cleaning and Inspection
- Engine Flywheel Cleaning and Inspection
- Timing Chain and Sprockets Cleaning and Inspection
- Valve Lifters Cleaning and Inspection
- Valve Rocker Arm and Push Rods Cleaning and Inspection
- Cylinder Head Cleaning and Inspection
- Oil Pump Disassemble
- Oil Pump Cleaning and Inspection
- Engine Front Cover Cleaning and Inspection
- Valve Rocker Arm Cover Cleaning and Inspection
- Oil Pan Cleaning and Inspection
- Intake Manifold Cleaning and Inspection - Lower
- Intake Manifold Cleaning and Inspection - Upper
- Exhaust Manifold Cleaning and Inspection
- Water Pump Cleaning and Inspection
- Thread Repair
- Service Prior to Assembly
- Piston, Connecting Rod, and Bearing Installation
- Camshaft Installation
- Timing Chain and Sprockets Installation
- Engine Front Cover Installation
- Oil Pump Drive Installation
- Oil Pump Installation
- Oil Pan Installation
- Water Pump Installation
- Valve Lifter Installation
- Valve Rocker Arm and Push Rod Installation
- Intake Manifold Installation - Lower
- Intake Manifold Installation - Upper
- Valve Rocker Arm Cover Installation - Right
- Valve Rocker Arm Cover Installation - Left
- Water Outlet and Thermostat Installation
- Exhaust Manifold Installation - Left
- Exhaust Manifold Installation - Right
- Exhaust Crossover Pipe Installation
- Oil Filter Adapter Installation
- Oil Level Indicator and Tube Installation
- Engine Lift Bracket and Generator Bracket Installation
- Engine Mount Support and Strut Bracket Installation
- Engine Lift Bracket Installation - Rear
- Drive Belt Tensioner Installation
- Engine Flywheel Installation
- Crankshaft Balancer Installation
- Functional Check of PCV Valve
- Drive Belt System Description
- Engine Component Description
- Lubrication Description
- Cleanliness and Care
- Separating Parts
- Replacing Engine Gaskets
- Use of Room Temperature Vulcanizing (Rtv) and Anaerobic Sealer
- Applying Rtv Sealer
- Applying Anaerobic Sealer
- Tools and Equipment
- Special Tools
- Abbreviations
- Airbag
- Anti-Lock/traction Control
- Automatic HVAC System
- Automatic Trans
- Axle Shafts
- Basic Trouble Shooting
- Body Electrical
- Brakes
- Cabin Air Filter
- Charging System
- Check Lists
- Communication Devices
- Cooling System (Mechanical)
- Cruise Control Systems
- Diagnostic Connector Locations
- Differentials & Drive Axles
- Door Locks & Anti-Theft Systems
- Drive Cycles
- Driveline/axles
- Driveshaft & Universal Joints
- DTC Index
- Electrical
- Electrical Component Locations
- Emission Applications
- Engine
- Engine Performance
- Entertainment Systems
- Exhaust
- Exterior Body Panels
- Exterior Lights
- Exterior/interior Trim
- Frames, Subframes & Crossmembers
- Fuses & Circuit Breakers
- Gauges & Instrument Panels
- Heated Glass/defoggers
- Hoist/jack
- Horns
- Identification
- Ignition Switch/steering Lock
- Lubrication System
- Manual & Power Steering
- Manual HVAC System
- MAP Guidelines
- Mechanical
- Mechanical - Hydraulic
- Memory Modules
- Metric Conversions
- Mode 6
- Oem General Information
- Paint/coatings
- Parking Brake System
- Reset Procedures
- Restraints Control Systems
- Seats
- Specifications
- Steering
- Sun Roof/t-Top/convertible Top
- Suspension Front
- Suspension Rear
- Testing & Diagnostics
- Traction Control Disable
- Transfer Case
- Transmission
- Wheel & Tire System
- Wheel Alignment
- Wiper/washer Systems