Valve Seals - In Vehicle

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the negative battery cable.
Remove the intake manifold/cylinder head cover (Refer to ENGINE/CYLINDER HEAD/CYLINDER HEAD COVER(S) - REMOVAL) .
NOTE: Rocker arms and lifters must be kept in order of removal and stored in the up right position.

Position the rocker arms aside. (Refer to ENGINE/CYLINDER HEAD/ROCKER ARM / ADJUSTER ASSY - REMOVAL) .

Fig 1: VM.1072A COMPRESSION TESTER ADAPTOR

Courtesy of DAIMLERCHRYSLER CORP.

1 - VM.1072A

2 - FUEL INJECTOR HOLD DOWN

3 - COMPRESSED AIR SUPPLY

Install special tool VM.1072A, compression tester adaptor, into the injector hole and retain with an injector hold down bolt. See Fig 1.

Fig 2: MD998772A VALVE SPRING COMPRESSOR

Courtesy of DAIMLERCHRYSLER CORP.

1 - MD998772A VALVE SPRING COMPRESSOR

2 - MD998772A-15 ADAPTOR

3 - REGULATED AIR SUPPLY

4 - VM1072A COMPRESSION TESTER ADAPTOR

Prepare special tool MD998772A for usage by inverting the tool to cylinder head holding screws so that the thread size matches the cylinder head.
Install special tool MD998772A onto cylinder head and using adaptor MD998772A-15, place the adaptor over the valve spring. See Fig 2.
Connect a regulated shop air supply to VM.1072A, and pressurize the cylinder.

Place shop towels around the working area of the cylinder head to prevent valve collates from accidently entering the engine.

Fig 3: MD998772A-15 ADAPTOR

Courtesy of DAIMLERCHRYSLER CORP.

1 - MD998772A-15 ADAPTOR

2 - VALVE SPRING

3 - VM.1072 COMPRESSION TESTER ADAPTOR

Using adaptor MD998772A-15 adaptor, collapse the valve spring and remove the collates. See Fig 3.
Remove the valve spring assembly.

Fig 4: VALVE SEAL
Courtesy of DAIMLERCHRYSLER CORP.

1 - VALVE SEAL
Remove the valve seal. See Fig 4.
Repeat this procedure for all cylinders.