Caravan V6-181 3.0L SOHC VIN 3 FI (1987)
NOTE: The rocker arm shaft is hollow and is used as a lubrication oil duct. The rocker arm shaft on the inlet side has a 3mm diameter oil passage
hole from the cylinder head. The exhaust side does not have this oil passage.
1. Check the rocker arm mounting portion of the shafts for wear or damage. Replace if heavily damaged or worn.
2. Check oil holes for clogging with small wire, clean as required.
INSTALL CAMSHAFTS
Lubricate camshaft journals and cams with engine oil and install camshaft on cylinder head.
Fig. 8 Camshaft Bearing Caps Position
REASSEMBLE ROCKER ARMS
1. Align the camshaft bearing caps with arrows depending on cylinder bank, directed as shown. and in numerical order.
Fig. 9 Number One Camshaft Bearing Cap
NOTE: Identify number one bearing cap number one and number four caps are similar.