Hydrostatic Lock
WARNING: This page is about a different car, the 2012 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
Do not attempt to run engine. Severe damage could occur.
When an engine is suspected of hydrostatic lock (regardless of what caused the problem), follow the steps below.
- Disconnect and isolate the negative battery cable (1).
- Lift the engine cover retaining grommets off the ball studs and remove the engine cover (2).
- Place a shop towel around the fuel supply line Quick Connect Fitting to catch any fuel that may be under pressure and disconnect the fuel supply line. Refer to FITTING, QUICK CONNECT .
- Disconnect the intake air temperature (IAT) sensor (5) electrical connector.
- Loosen the air duct retaining clamps at the throttle body and the air cleaner housing and remove the air duct (4).
- Disconnect the make up air hose (MUA) (2).
- Remove the air cleaner housing retaining bolt (3).
- Remove the air cleaner housing from the vehicle.
- Inspect the air duct, air cleaner housing and the intake manifold to make sure the system is dry and clear of any foreign material.
- Place a shop towel around the spark plugs to catch any fluid that may possibly be under pressure in the cylinder head.
- Remove the spark plugs. Refer to SPARK PLUG, REMOVAL .
- With the spark plugs removed, rotate the crankshaft using a breaker bar and socket.
- Identify the fluid in the cylinders (coolant, fuel, oil).
- Make sure all fluid has been removed from the cylinders.
- Repair engine or components as necessary to prevent this problem from occurring again.
- Squirt a small amount of engine oil into the cylinders to lubricate the walls. This will help prevent engine damage on restart.
- Install new spark plugs. Refer to SPARK PLUG, INSTALLATION .
- Perform the Engine Oil Service procedure. Refer to Engine/Lubrication/OIL - Standard Procedure .
- Connect negative battery cable and tighten nut to 5 N.m (45 in. lbs.).
- Start the engine and check for leaks.