Frelander 2. Manual — part 260
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Item
Part Number
Description
1
-
Power Steering pump
2
-
AC compressor
3
-
Idler pulley
4
-
Coolant pump
5
-
Adjuster mechanism
6
-
Drive pulley
7
-
Generator
OVERVIEW
One of the major innovations to the engine's design is the positioning of the accessory drive and its associated ancillaries
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at the rear of the engine. The accessory drive system overhangs the transmission, allowing the front of the engine to be
free of protrusions. This unique design contributes to providing a compact and robust engine.
The polyvee accessory drive-belt obtains its drive from a shaft, powered by the crankshaft. The accessory drive-belt powers
the:
AC compressor,
engine coolant pump, and
power steering pump
The engine coolant pump and the power-steering pump share a common coupling.
Belt tension is maintained by an automatic tension system which provides a constant tension without belt slip.
The generator is directly attached by a coupling to the rear of the crankshaft driven shaft. This direct drive arrangement
improves the generator's durability by preventing side-loadings, caused by the tension of a drive belt, acting on the
generator's rotor bearing.
In addition to helping make the engine compact and robust, the novel arrangement of the accessory drive system also aids
in reducing engine weight.
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Accessory Drive - I6 3.2L Petrol - Accessory Drive
Diagnosis and Testing
Principles of Operation
For a detailed description of the Rear End Accessory Drive (READ), refer to the relevant Description and Operation section
of the workshop manual.
REFER to:
Accessory Drive
(303-05A Accessory Drive - I6 3.2L Petrol, Description and Operation).
Inspection and Verification
1. Verify the customer concern.
1.
2. Visually inspect for system integrity and obvious signs of damage.
2.
Visual Inspection
Mechanical
READ belt
READ belt tension
READ belt tensioner
READ belt pulleys
READ belt pulley seals
3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before
proceeding to the next step
3.
4. If the cause is not visually evident, verify the symptom and refer to the Symptom Chart.
4.
Symptom Chart
Symptom
Possible Cause
Action
READ belt noise or
squeal
READ belt pulley(s)
Lubricant or other
contamination
READ belt
Check for pulley alignment, freedom of rotation and damage. Repair
or install new parts as required.
REFER to:
Accessory Drive Component Bracket Alignment
(303-05A
Accessory Drive - I6 3.2L Petrol, General Procedures) /
Accessory Drive Belt Idler Pulley
(303-05A Accessory Drive - I6 3.2L
Petrol, Removal and Installation) /
Accessory Drive Pulley
(303-05A Accessory Drive - I6 3.2L Petrol,
Removal and Installation).
Check READ belt for contamination. If contaminated, install a new
belt.
REFER to:
Accessory Drive Belt
(303-05A Accessory Drive - I6 3.2L
Petrol, Removal and Installation).
Check READ belt for correct application
READ belt does not
hold tension
READ belt cracking or
damaged
Tensioner worn or
damaged
Inspect READ belt for cracking or damage. Install a new belt as
required.
REFER to:
Accessory Drive Belt
(303-05A Accessory Drive - I6 3.2L
Petrol, Removal and Installation).
Check READ belt tensioner for damage and correct operation. Install a
new READ belt tensioner as required.
REFER to:
Accessory Drive Belt Tensioner
(303-05A Accessory Drive -
I6 3.2L Petrol, Removal and Installation).
Component Tests
READ belt tensioner
Static
The only checks required for the READ belt tensioner are for stick, grab or bind.
1. Remove the drive belt in the area of the tensioner.
1.
2. Using the correct tool, rotate the tensioner from its relaxed position through its full stroke and back to the
relaxed position to make sure there is no stick, grab or bind, and to make sure that there is tension on the
tensioner spring.
2.
3. If the tensioner meets the above criteria, proceed to the dynamic test. If the tensioner does not meet the above
criteria install a new tensioner.
REFER to:
Accessory Drive Belt Tensioner
(303-05A Accessory Drive - I6 3.2L Petrol, Removal and Installation).
3.
Dynamic
The READ belt tensioner can be checked dynamically as follows:
With the engine running, observe drive belt tensioner movement, the READ belt tensioner should move (respond) when the
air conditioning clutch cycles (if equipped), the READ belt tensioner should move (respond) when the engine speed is
increased rapidly. If the drive belt tensioner movement is erratic without air conditioning clutch cycling or engine
acceleration, a pulley or shaft may be bent, or distorted. Excessive drive belt rideout (uneven depth of grooves in the drive
belt) can also cause excessive drive belt tensioner movement. Check condition by installing a known good belt.
REFER to:
Accessory Drive Belt
(303-05A Accessory Drive - I6 3.2L Petrol, Removal and Installation).
READ belt
1. With the engine off, check routing of the drive belt.
REFER to:
Accessory Drive
(303-05A Accessory Drive - I6 3.2L Petrol, Description and Operation).
1.
2. Inspect the drive belt tensioner wear indicator to confirm the drive belt is within operating range. Install a new
drive belt as necessary .
REFER to:
Accessory Drive Belt
(303-05A Accessory Drive - I6 3.2L Petrol, Removal and Installation).
2.
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