Plymouth Valiant V-100 1965 Service – Technical Manual page 136

COOLING SYSTEM 7-3
Condition
Possible
Cause Correction
(c) Insufficient corrosion inhibitor.
(d)
Use of antifreeze for extended length of time.
(e) Failure to use corrosion inhibitor in summer.
(f) Air leak at bottom radiator hose.
(c) Use MoPar antifreeze or rust inhibitor as re-
(d)
Drain cooling system and replace with new
(e) Flush radiator and refill with clean soft water
(f) Reposition hose clamps or replace the hose.
quired.
antifreeze.
and rust inhibitor.
TEMPERATURE TOO (a) Faulty thermostat.
LOW-SLOW
ENGINE
WARM UP
(b) Inaccurate temperature gauge.
(c) Faulty temperature sending unit.
WATER PUMP NOISY (a) Seal noisy.
(b)
Bearing corroded.
(a) Replace the thermostat.
(b)
Replace the temperature gauge.
(c) Replace the sending unit.
(a) Add
202
MoPar Water Pump Lube.
(b) Replace bearing seal and impeller.
ACCESSORY DRIVE BELTS
INSUFFICIENT ACCES-
SORY OUTPUT DUE
TO
BELT SLIPPAGE
BELT SQUEAL WHEN
ACCELERATING
ENGINE (b)
Belts glazed.
(a) Belt too loose.
(b) Belt excessively glazed or worn.
(a) Belts too loose.
(a) Adjust belt tension.
(b) Replace and tighten as specified.
(a) Adjust belt tensions.
(b)
Replace belts.
BELT SQUEAK AT IDLE (a) Belt too loose.
(b) Dirt and paint imbedded in belt.
(c) Non-uniform belt.
(d)
Misaligned pulleys.
(e) Non-uniform groove or eccentric pulley.
(a) Adjust belt tension.
(b) Replace belt.
(c) Replace belt.
(d) Align accessories (file brackets or use spacers
as required).
(e) Replace pulley.
BELT ROLLED OVER
IN
GROOVE
(a) Broken cord in belt.
(b)
Belts not matched (A/C).
BELT JUMPS
OFF
(a) Belt too loose.
(b)
Belts not matched (A/C).
(c) Misaligned pulleys.
(a) Replace belt.
(b)
Install matched belts.
(a) Adjust belt tension.
(b) Install matching belts.
(c) Align accessories.
SERVICE PROCEDURES
FAN
5/s inch to 1% inches. The fan should be installed so
that the portion of each blade nearest the radiator is
almost parallel to the radiator core. Installing the fan
backwards (with the forward portion of the fan blade
There are no to
be made
On
the
fan' If the
fan is bent or damaged it should be replaced.
Removal
sharply angled away from the radiator core), will cause
low air flow. Install the Upper half
Of
the shroud On
vehicles so equipped. Tighten the fan belt as
Outlined
in
"ACCeSSor~
Remove the upper haif of the shroud (if
so
equipped). Loosen the fan belt and remove the four
bolts attaching the fan to its pulley. On models so
equipped, the fluid fan drive unit must be removed
Drives."
with the fan.
FLUID FAN DRIVES
Installation
Use the correct spacer,
if
required, so that clear-
ance between the fan blades and the radiator is from
Torque Control Drive
The Torque Control Drive (Fig. 2) is a silicone