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MAINTENANCE & SERVICE
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DI04002021
Code: DI04002021
Credits: 4
Semester 4
COMPUTER
Maintenance & Service - II
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Follow on Instagram for UpdatesMaintenance & Service - II Syllabus — Unit-wise Content
The official GTU curriculum for Maintenance & Service - II (subject code DI04002021) as prescribed for COMPUTER · Semester 4 divides the course into 5 units, covering 53 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (DI04002021)Unit 1 Trouble shooting of Clutch and Fluid coupling
- 1.1 Problem Identification in clutch engagement and disengagement
- clutch pedal linkages and clutch release mechanism and corrective actions. 1.2 Troubles and their remedial measures for clutch unit on the basis of feel and noise such as clutch drag
- clutch pedal pulsation
- clutch judder
- clutch chatters
- clutch linkages vibration and noisy
- clutch stiff and clutch slip with their causes and remedial actions. 1.3 Inspection of clutch components like release bearing
- pressure plate and clutch plate for wear
- scoring and chatters according to various problems. 1.4 Testing of clutch components like Pressure plate warpage test
- clutch plate and flywheel run-out measurement and reconditioning steps. 1.5 Different types of Clutch adjustments with free play adjustment. 1.6 Trouble shooting in fluid coupling such as slip/drag
- fluid leakage and low fluid level with its causes and remedial actions
Unit 2 Trouble shooting of Gearbox and Transmission system components
- 2.1 Various troubles in Gearbox like hard shifting
- Gear slipping
- Noisy gear engagement
- grinding noises during gear changes and oil leakages with their causes and remedial actions. 2.2 Various troubles in Automatic transmission such as Low or leaking fluid
- Gears slipping and various noises with their causes and remedial actions
- Program Name: Diploma Engineering Level: Diploma Branch: Automobile Engineering Subject Code: DI04002021 Subject Name: Maintenance & Service - II w.e.f. 2025-26 http://syllabus.gtu.ac.in/ Page no. 3 of 9 2.3 Identify various troubles in Torque Convertor such as lock-up
- overheating and unusual noises with their causes and remedial actions
- Stall test of torque convertor. 2.4 Maintenance and servicing: 2.4.1 Fluid Inspection and Change 2.4.2 Identifying and replacing worn or leaking seals. 2.4.3 Checking for worn or damaged bearings in the transmission. 2.4.4 Visual inspection of gears and synchronizers for wear or damage. 2.4.5 Lubricating and adjusting the gear linkage for smooth operation. 2.4.6 Servicing and maintenance of automatic transmission. 2.4.7 Environmental Impact: Proper disposal of transmission fluids and components
Unit 3 Trouble shooting of Driveline and Axles (Front & Rear Axles)
- 3.1 Various troubles in Propeller shaft and universal joints such as vibration
- noise and misalignment with their probable causes and remedial actions. 3.2 Differential problems on the basis of abnormal noise and vibration
- fluid leakage and differential locking. 3.3 Various troubles in front axle and rear axle assembly with its probable causes and remedial actions. 3.4 Inspection
- servicing and reconditioning of front axle assembly. 3.5 Inspection
- servicing and reconditioning of rear axle assembly
Unit 4 Trouble shooting of Steering system, Suspensions and chassis
- 4.1 Various troubles in steering system (Power steering systems) with its probable causes and remedial actions. 4.2 Inspection
- servicing and reconditioning of steering systems and steering gearbox according to problems. 4.3 Wheel alignment procedure. 4.4 Various troubles indifferent types of suspension systems like shock absorber
- leaf spring
- independent suspension and air suspension with its probable causes and remedial actions 4.5 Inspection and overhauling of suspension systems according to problems. 4.6 Chassis greasing procedure using grease gun
- Program Name: Diploma Engineering Level: Diploma Branch: Automobile Engineering Subject Code: DI04002021 Subject Name: Maintenance & Service - II w.e.f. 2025-26 http://syllabus.gtu.ac.in/ Page no. 4 of 9
Unit 5 Trouble shooting of Brakes & Service of Wheels and Tyres
- 5.1 Drum brake troubleshooting such as Brake pedal goes to the floor
- one brake drags
- all brake drags
- pulls to one side when braking
- Soft or spongy pedal
- Poor braking required excessive pedal force
- Brakes grab
- Noisy brakes
- Loss of brake fluid
- Brakes do not self- adjust
- Brake warning light while braking. 5.2 Disc brake troubleshooting such as Excessive pedal travel
- Pedal pulsations Excessive pedal. force
- uneven braking
- pulls to one side while braking
- Brake noise
- Brake fails to release
- Fluid leaking from caliper
- Front disc caliper grab
- No braking with pedal fully depressed
- fluid level low in master cylinder. 5.3 Troubleshooting of Air braking system and ABS. 5.4 Air bleeding procedure for brakes and Brake performance test 5.5 Troubleshooting of Disc Wheels
- Alloy wheels and Tyres. 5.6 Important Procedures for, a
- Inspection of Wheel Rim and Tyres b
- Tyre Retreading procedure c
- Wheel balancing procedure
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