Mercury MerCruiser D2.8L D-Tronic Service Manual page 777

SERVICE MANUAL NUMBER 22
IMPORTANT: Do NOT roll or twist O-ring(s) when installing.
4. Install O-ring on rear of intercooler housing.
Typical
5. On intercoolers WITHOUT plate and second O-ring: Proceed to next step.
6. On intercoolers WITH plate and second O-ring:
a. Install plate on rear of intercooler.
b. Install second O-ring around radiator insert and against plate.
Typical
7. Using the 4 allen-head screws and wave washers, install rear cover. Torque to 40 Nm
(30 lb-ft). Install drain plug with new sealing washer.
Typical
90-860074--1 FEBRUARY 2002
a - O-ring
b - Rear of Intercooler Housing
a - Plate
b - O-ring (Second One Required)
a - Rear Cover
b - Drain Plug
c - Allen-Head Screws And Wave Washers
b
a
b
a
b
a
c
INTERCOOLER
70927
70928
70912
Page 7A-15