Chrysler Dodge Caravan 2002 Manual page 1303

9 - 102 ENGINE 3.3/3.8L
CYLINDER HEAD (Continued)
Fig. 18 DIPSTICK & TUBE
1 - DIPSTICK
2 - BOLT
3 - TUBE
CAUTION: 0.20 mm (0.008 in.) MAX is a combined
total dimension of the stock removal limit from cyl-
inder head and block top surface (Deck) together.
Fig. 19 Checking Cylinder Head Flatness—Typical
INSTALLATION - CYLINDER HEAD
(1) Clean all sealing surfaces of engine block and
cylinder heads. (Refer to 9 - ENGINE - STANDARD
PROCEDURE)
(2) Position new gasket(s) on engine block (Fig.
20). The left bank gasket is identified with the "L"
stamped in the exposed area of the gasket located at
front of engine (shown in (Fig. 20)). The right bank
gasket is identified with a "R" stamped in the
exposed area of the gasket also, but is located at the
rear of the engine.
Fig. 20 Head Gasket Installation
1 - CYLINDER HEAD GASKET
2 - LOCATION IDENTIFICATION (L = LEFT BANK, R = RIGHT
BANK)
(3) The cylinder head bolts are torqued using
the torque yield method, they should be exam-
ined BEFORE reuse. If the threads are necked
down, the bolts must be replaced (Fig. 21).
(4) Necking can be checked by holding a scale or
straight edge against the threads. If all the threads
do not contact the scale the bolt should be replaced.
Fig. 21 Checking Bolts for Stretching (Necking)
1 - STRETCHED BOLT
2 - THREADS ARE NOT STRAIGHT ON LINE
3 - THREADS ARE STRAIGHT ON LINE
4 - UNSTRETCHED BOLT
(5) Tighten the cylinder head bolts 1–8 in the
sequence shown in (Fig. 22). Using the 4 step torque
turn method, tighten according to the following val-
ues:
• Step 1: Bolts 1 – 8 to 61 N·m (45 ft. lbs.)
RS