Cadillac Eldorado Cylinder Head Replacing Procedure?

Cadillac DeVille, Eldorado, Seville 1999-2005 Cylinder head removal procedure.

The details mentioned here will work for Above mentioned Cadillac car models.

The procedure to replace Cylinder head with details and diagrams is as follows:-----


Left Side

1. Drain the cooling system.
2. Properly relieve the fuel system pressure.
3. Remove or disconnect the following:
   
   
   Negative battery cable

   Exhaust manifold

   Alternator

   Water crossover

   Intake manifold

   Valve cover

   Timing cover

   Secondary camshaft drive chain

   Power steering return hose retaining bolt from the cylinder head

   3 M6 external drive bolts from the front portion of the cylinder head

   10 M11 internal drive cylinder head bolts

   Cylinder head and gasket.
4. Clean the head mating surfaces.

To install:

Fig. Left cylinder head bolt torque sequence-4.6L engine

1. Install the cylinder head with a new gasket. Lubricate the bolts with engine oil prior to installation.
2. Torque the M11 bolts in sequence as follows:
   1. Step 1: 30 ft. lbs. (40 Nm), plus an additional 70 degrees
   2. Step 2: Turn an additional 60 degrees
   3. Step 3: Turn an additional 60 degrees (total 190 degrees)
3. Torque the M6 bolts to 106 inch lbs. (12 Nm)
4. Install or connect the following:
   
   
   Power steering return hose retaining bolt to the cylinder head and tighten to 37 ft. lbs. (50 Nm)

   Secondary camshaft drive chain

   Timing cover

   Valve cover

   Intake manifold

   Water crossover

   Exhaust manifold

   Negative battery cable
5. Change the oil and filter.
6. Fill the cooling system.

Right Side

1. Drain the cooling system.
2. Properly relieve the fuel system pressure.
3. Remove or disconnect the following:
   
   
   Negative battery cable

   Exhaust manifold

   Water crossover

   Intake manifold

   Valve cover

   Timing cover

   Secondary camshaft drive chain

   Electrical connector from the Engine Coolant Temperature (ECT) sensor

   Nut attaching the coil cassette ground wire to the cylinder head

   Bolt attaching the exhaust crossover pipe to the cylinder head

   Bolt attaching the right transaxle mount bracket to the cylinder head

   Bolt attaching the rear transaxle brace to the transaxle

   Nuts attaching the rear transaxle brace to the cylinder head

   Rear transaxle brace

   3 M6 external drive bolts from the front portion of the cylinder head

   10 M11 internal drive cylinder head bolts

   Cylinder head and gasket
4. Clean the head mating surfaces.

To install:

Fig. Right cylinder head bolt torque sequence- 4.6L engine

1. Install the cylinder head with a new gasket. Lubricate the bolts with engine oil prior to installation.
2. Torque the M11 bolts in sequence as follows:
   1. Step 1: 30 ft. lbs. (40 Nm), plus an additional 70 degrees.
   2. Step 2: Turn an additional 60 degrees.
   3. Step 3: Turn an additional 60 degrees (total 190 degrees).
3. Torque the M6 bolts to 106 inch lbs. (12 Nm).
4. Install or connect the following:
   
   
   Rear transaxle brace over the studs located at the rear of the right cylinder head

   Nuts attaching the rear transaxle brace to the cylinder head, loosely

   Bolts attaching the rear transaxle braces to the transaxle and tighten to 37 ft. lbs. (50 Nm)

   Nuts attaching the rear transaxle brace to the cylinder head and tighten 37 ft. lbs. (50 Nm)

   Electrical connector to the ECT sensor

   Bolt attaching the exhaust crossover pipe to the cylinder head and tighten to 18 ft. lbs. (25 Nm)

   Nut attaching the coil cassette ground wire to the cylinder head and tighten to 13 ft. lbs. (17 Nm)

   Secondary camshaft drive chain

   Timing cover

   Valve cover

   Intake manifold

   Water crossover

   Exhaust manifold

   Negative battery cable
5. Change the oil and filter.
6. Fill the cooling system.

These details will help.

Thanks.           

FOR MORE HELP GO TO: ---

Car repair guide?

http://technoanswers.blogspot.in/2012/03/car-repair-guide.html