Table of Contents
Advertisement
7 - 38
ENGINE
PRESSURE CAP (Continued)
nipple, and pump air into the system. The pressure
cap upper gasket should relieve pressure at 69-124
kPa (10-18 psi), and hold pressure at 55 kPa (8 psi)
minimum.
Fig. 30 Cooling System Pressure Cap to Filler Neck
1 - OVERFLOW NIPPLE
2 - MAIN SPRING
3 - GASKET RETAINER
4 - STAINLESS-STEEL SWIVEL TOP
5 - RUBBER SEALS
6 - VENT VALVE
7 - COOLANT OUTLET CONNECTOR (2.0L/2.4L)/PRESSURE
CONTAINER (2.7L)
8 - FILLER NECK
There is no need to remove the pressure cap at any
time except for the following purposes:
• Check and adjust coolant freeze point
• Refill system with new coolant
• Conducting service procedures
• Checking for leaks
WARNING: IF VEHICLE HAS BEEN RUN RECENTLY,
WAIT 15 MINUTES BEFORE REMOVING CAP.
PLACE A SHOP TOWEL OVER THE CAP, AND WITH-
OUT PUSHING DOWN, ROTATE IT COUNTER-
CLOCKWISE TO THE FIRST STOP. ALLOW FLUIDS
TO ESCAPE THROUGH THE OVERFLOW TUBE.
WHEN THE SYSTEM STOPS PUSHING COOLANT
AND STEAM INTO THE CRS TANK AND PRESSURE
DROPS, PUSH DOWN ON THE CAP AND REMOVE
IT
COMPLETELY.
SQUEEZING
INLET HOSE WITH A SHOP TOWEL (TO CHECK
PRESSURE) BEFORE AND AFTER TURNING TO
THE FIRST STOP IS RECOMMENDED.
CLEANING
INSPECTION
CAUTION: Vehicles equipped with 2.0L/2.4L engines
use a different pressure cap than vehicles equipped
with 2.7L engines. The pressure caps are NOT inter-
changeable. Verify proper pressure cap part num-
ber.
2.0L/2.4L
The vent valve at the bottom of the cap should fall
open. Turn the cap upside down. The vent valve
should close.
from opening
and the rubber gasket (with cap upside down)
able thinning
overheat.
2.7L
The vent valve at the bottom of the cap should be
normally closed. The vent valve should open with a
slight pull with your finger nail.
from opening
and the rubber gasket. Use only a replacement
cap that has a spring to hold the vent shut.
able thinning
overheat.
THE
RADIATOR
Use only a mild soap to clean the pressure cap.
Hold the cap in your hand, right side up (Fig. 31).
Replace the cap for any of the following conditions:
• Rubber gasket has swollen, preventing the valve
• Any light can be seen between the vent valve
• Gasket on the bottom of the cap shows notice-
• Cap has been through more than one engine
Hold the cap in your hand, right side up (Fig. 31).
Replace the cap for any of the following conditions:
• Rubber gasket has swollen, preventing the valve
• Any light can be seen between the vent valve
• Gasket on the bottom of the cap shows notice-
• Cap has been through more than one engine
JR
Advertisement
Table of Contents
