compression ratio LEXUS LS430 2003 Factory Repair Manual

Fig. 278: Tightening Cylinder Head Bolts
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18.INSTALL CYLINDER HEAD SUB-ASSY
a. Check that the cut part of the crankshaft timing pulley is in the position shown in the illustration,
and that the piston is below the TDC of compression.
b. Install the cylinder head together with the manifold RH to the cylinder block.
c. Apply a light coat of engine oil on the threads and under the head of the cylinder head bolts.
d. Put the washer on the bolt, and insert the bolt with washer into the cylinder head.

Fig. 291: Removing Cylinder Head Gasket No.2
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17.INSTALL CYLINDER HEAD GASKET NO.2
a. Place a new cylinder head gasket in position on the cylinder block.
b. The rear side of the cylinder head gasket has marks so that the RH and LH banks can be
distinguished. A "3L" mark is on the LH bank's gasket.
18.INSTALL CYLINDER HEAD LH
a. Check that the cut part of the crankshaft timing pulley is in the position shown in the illustration,
and that the piston is below the TDC of compression.
b. Install the cylinder head together with the manifold RH to the cylinder block.
c. Apply a light coat of engine oil on the threads and under the head of the cylinder head bolts.
d. Put the washer on the bolt, and insert the bolt with washer into the c
ylinder head.

Fig. 469: Installing Compression Rings Using Piston Ring Expander
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j. Position the piston rings so that the ring ends are as shown in the illustration.

Fig. 20: Refrigerant Pressure With Manifold Gauge Set Charge Chart (Air Present In
Refrigeration System)
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8. Expansion valve malfunction
Fig. 21: Identifying Expansion Valve Malfunction

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Fig. 22: Refrigerant Pressure With Manifold Gauge Set Charge Chart (Expansion Valve
Malfunction)
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9. Defective compression compressor