TLC FAQ - 22.5.2 Owner's Manual Maintenance Schedules

22.5.2 Diesel Powered Vehicles (B-1978)

Service Interval		15		30		45		60	x1000mi.
	12	24	36	48	60	72	84	96	x1000km
	6	12	18	24	30	36	42	48	months
Basic Engine Components
1 Valve Clearance		A		A		A		A
2 Drive belts		I		R		I		R
3 Engine oil	3750mi (6000km) or 3 months
4 Engine oil filter	R	R	R	R	R	R	R	R
5 Engine coolant (1)				R				R
6 Cooling & heater system hoses & connections		I		I		I		I
7 Exhaust System	I	I		I		I		I
Fuel System
8 Idle speed & maximum speed	A		A		A		A
9 Fuel filter		R		R		R		R
10 Feed pump filter				I				I
11 Injection pump governor diaphragm	I		I		I		I
12 Injection timing & nozzles			I				I
13 Air Filter		I		R		I		R
14 Fuel tank cap, lines, & connections			I				I
Preheating System
15 Glow Plugs		I		I		I		I
Chassis & Body
16* Brake & clutch pedal & parking brake I	I	I	I	I	I	I	I
17 Brake linings & drums	I	I	I	I	I	I	I	I
18 Brake pads & discs	I	I	I	I	I	I	I	I
19 Brake lines & hoses	I	I	I	I	I	I	I	I
20* Brake fluid level	I	I	I	I	I	I	I	I
21 Vacuum pump oil hoses		I		I		I		R
22 Steering box, linkage, & gear box oil I	I	I	I	I	I	I	I
23* Transmission transfer & diff. oilI	I	I	R	I	I	I	R
24 Wheel bearing grease				R				R
25* Steering knuckle & chassis grease R	R	R	R	R	R	R	R
26* Propeller shaft grease		R		R		R		R
27 Bolts & nuts on chassis & body I	I		I		I		I
28 Emergency locking retractor system	I		I		I		I
29 Seat Belt Warning System		I		I		I		I

Under severe driving conditions, service interval should be shortened as shown on the table below:

Maintenance Item	Operation	Interval	Service Conditions
Engine oil	R	3000km	A,B,C,D,E
Engine oil filter	R	6000km	A,B,C,D,E
Exhaust system	I	6000km	A,B,C
Air filter	I	6000km	D
Brake linings & drums	I	12000km	A,B,C,D
Brake pads & discs	I	6000km	A,B,C,D
Steering wheel, linkage & gearbox oil	I	6000km	C
Transmission transfer & differential oil	R	24000km	A,B
Steering knuckle & chassis grease	R	6000km	C
Propeller shaft grease	R	12000km	A,C
Bolts & nuts on chassis & body	I	12000km	A,B,C

Letter	Condition
A	Pulling a Trailer
B	Driving primarily short diantances
C	Driving on rough roads
D	Driving on dusty roads
E	Driving in extremely cold weather

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