With the engine cool, remove the coolant pressure cap. Start the engine and allow it to warm up until thermostat opens.
If a large combustion/compression pressure leak exists, bubbles will be visible in the coolant.
Home/Dodge/Grand Caravan/Dodge Grand Caravan IV (2000-2007)/Repair manual/Mechanical/Visual Test Method
Contents
Section: Mechanical- Description
- Diagnosis and Testing - Engine Diagnosis - Introduction
- Diagnosis and Testing - Engine Oil Leak Inspection
- Inspection for Rear Seal Area Leaks
- Diagnosis and Testing - Cylinder Compression Pressure Test
- Diagnosis and Testing - Cylinder Combustion Pressure Leakage Test
- Standard Procedure - Measuring Bearing Clearance Using Plastigage
- Standard Procedure - Form-In-Place Gaskets and Sealers
- Sealer Application
- Standard Procedure - Engine Gasket Surface Preparation
- Standard Procedure - Hydrostatic Locked Engine
- Standard Procedure - Repair of Damaged or Worn Threads
- Standard Procedure - Engine Core and Oil Gallery Plugs
- Installation - Engine Assembly
- Engine Specifications
- Torque Specifications
- Diagnosis and Testing-Cylinder Head Gasket
- Cylinder-To-Cylinder Leakage Test
- Cylinder-To-Water Jacket Leakage Test
- Visual Test Method
- Cooling System Tester Method
- Chemical Test Method
- Operation
- Standard Procedure - Refacing Valves and Valve Seats
- Valve Seats
- Valves
- Installation - Cylinder Head Off
- Installation - Cylinder Head On
- Description - Rocker Arms
- Description - Pushrods
- Operation - Rocker Arms
- Operation - Pushrods
- Removal - Rocker Arms and Shaft
- Disassembly - Rocker Arms and Shaft
- Assembly - Rocker Arms and Shaft
- Installation - Rocker Arms and Shaft
- Engine Block
- Cylinder Bore
- Hydraulic Lifters Diagnosis - Preliminary Step
- Oil Level Too High
- Oil Level Too Low
- Valve Train Noise
- Standard Procedure - Fitting Connecting Rods
- Standard Procedure - Fitting Pistons
- Standard Procedure - Measuring Connecting Rod Bearing Clearance
- Standard Procedure - Main Bearing Fitting
- Crankshaft Bearing Oil Clearance
- Plastigage Method-Engine In-Vehicle
- Plastigage Method-Engine Out-Of-Vehicle
- Installation - Crankshaft Main Bearings
- Description - 3.3l
- Description - 3.8l
- Diagnosis and Testing - Engine Oil Pressure
- Standard Procedure - Engine Oil and Filter Change
- Standard Procedure - Engine Oil Level Check
- Diagnosis and Testing - Intake Manifold Leaks
- Standard Procedure - Manifold Stripped Thread Repair
- Standard Procedure - Intake Manifold Vacuum Port Repair
- Standard Procedure - Valve Timing Verification
- Standard Procedure - Measuring Timing Chain Wear
- Installation - Timing Chain and Camshaft Sprocket
- Abbreviations
- Accessories Control Systems
- Accessory Drive Belts
- Adjustments
- Airbag
- Anti-Lock/traction Control
- Application
- Automatic HVAC System
- Automatic Trans
- Axle Shafts
- Basic Trouble Shooting
- Body Electrical
- Brakes
- Cabin Air Filter
- Charging System
- Check Lists
- Clutches Manual & Hydraulic
- Collision/avoidance
- Communication Devices
- Computer Relearn
- Cooling Fan
- 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 Component Locations
- Emission Applications
- Engine
- Engine Performance
- Entertainment Systems
- Exterior Body Panels
- Exterior Lights
- Exterior/interior Trim
- Fuses & Circuit Breakers
- Gauges & Instrument Panels
- General Servicing - All Makes
- Heated Glass/defoggers
- Identification
- Ignition System
- Interior/illumination Lights
- Manual & Power Steering
- Manual Trans
- MAP Guidelines
- Mechanical
- Mechanical - Hydraulic
- Metric Conversions
- Mirrors
- Mode 6
- Removal & Installation
- Reset Procedures
- Restraints
- Seats
- Specifications
- Starter
- Steering
- Steering Column
- Steering Column Switches
- Steering Gear
- Sun Roof/t-Top/convertible Top
- Suspension Front
- Suspension Rear
- Testing & Diagnostics
- Theory & Operation
- Traction Control Disable
- Transfer Case
- Transmission
- Warning System
- Wheel Alignment
- Windows
- Wiper/washer Systems