what need to be done?

[debo4x4]

I took my truck in this morning for an oil change and rotation.  The service guy tried to sell me their 30k service package which involves all kinds of chasis lube, fluid changes, brake adjustment, fuel filter, etc...  What all really needs to be done at 30k.  I have had regular oil changes every 3k but that's it.  The truck runs fine now, but I don't want to overlook anything that could cause problems down the road.  I've always agreed with "If it ain't broke, don't fix it."  So what do you guys think SHOULD be done at 30k, if anything?  Thanks in advance.

[sivart]

Check your rear axle, change your fuel filter, and grease your ball joints. You will be good to go for a long time.

[MarkD]

I usually change the axle fluids at the first 30k miles.

 

I would also change the fuel filter.  Brakes don't need adjusting.

[RyanbabZ71]

All i did was change the front diff fluid, change fuel filter, engine filter, cabin filter (which was filthy), oil and filter, and lube the chassis

[asepgrad98]

Maintenance Schedule Gasoline

Normal Vehicle Use

The maintenance instructions contained in this Maintenance Schedule are based on the assumption that the vehicle will be used as designed:

 

Carry passengers and cargo within the recommended limitations as indicated on the Tire Placard located on the edge of the driver's door.

Are driven on reasonable road surfaces within legal driving limits.

Driven off-road in the recommended manner. For information on the recommended driving manners, refer to the Owner's Manual.

On unleaded gasoline of the recommended type. For information on the proper type of fuel to use, refer to the Owner's Manual.

Maintenance Schedule Intervals

The services shown in this schedule up to 166 000 km (100,000 mi) should be performed after 166 000 km (100,000 mi) at the same intervals. The services shown in this schedule to be performed at 240 000 km (150,000 mi) should be performed after 240 000 km (150,000 mi) at the same intervals.

 

Pickup only: The services shown in this schedule to be performed at 240 000 km (150,000 mi) and 332 000 km (200,000 mi) should be performed after 240 000 km (150,000 mi) at the same intervals.

 

For explanations of the maintenance inspections and services included in this Maintenance Schedule, refer to Explanation of Scheduled Services .

 

For additional maintenance inspections and services which are not included in this Maintenance Schedule, refer to Periodic Maintenance Inspection .

 

Maintenance Schedule Engine Oil Change Intervals

This vehicle is equipped with a GM Oil Life System ™. The GM Oil Life System ™ will show when to change the engine oil and oil filter. This will usually occur between 5 000 km (3,000 mi) and 16 000 km (10,000 mi) since the last oil change. Under severe conditions, the indicator may come on before 5 000 km (3,000 mi).

 

Never drive the vehicle more than 16 000 km (10,000 mi) or 12 months without an oil and oil filter change. The system will not detect dust in the oil. If the vehicle is driven in a dusty area, be sure to change the oil and oil filter every 5 000 km (3,000 mi) or sooner if the CHANGE OIL SOON indicator comes on. Reset the Oil Life System when the oil and filter have been changed.

 

This vehicle is equipped with an engine oil life monitor. For description and resetting information, refer to GM Oil Life System - Resetting in Maintenance and Lubrication.

 

This is an Emission Control Service.

 

Chassis Lubrication

Lubricate the chassis components with each engine oil and filter change. Lubricate the front suspension, ball joints, steering linkage. transmission shift linkage, transfer case shift linkage, parking brake cable guides, and brake front axle. Ball joints should not be lubricated unless their temperature is -12°C (10°F) or higher, or they could be damaged.

 

Footnotes

† The U.S. Environmental Protection Agency or the California Air Resources Board has determined that the failure to perform this maintenance item will not nullify the emission warranty or limit recall liability prior to the completion of the vehicle's useful life. We, however, urge that all recommended maintenance services be performed at the indicated intervals and the maintenance be recorded.

 

+ A good time to check the brakes is during tire rotation. Refer to Explanation of Scheduled Services in Maintenance and Lubrication.

 

Scheduled Maintenance

12 500 km (7,500 mi)

Inspect rear/front axle fluid level and add fluid as needed. Check constant velocity joints and axle seals for leaking.

Rotate the tires. +

25 000 km (15,000 mi)

Replace the passenger compartment air filter, if equipped. If the vehicle is driven regularly under dusty conditions, the filter may require replacement more often.

Inspect rear/front axle fluid level. Add fluid as needed. Inspect the constant velocity joints and the axle seals for leaking.

Rotate the tires. +

37 500 km (22,500 mi)

Inspect the rear/front axle fluid level. Add fluid as needed. Inspect the constant velocity joints and the axle seals for leaking.

Rotate the tires. +

41 500 km (25,000 mi)

Allison Transmission 8.1 Liter Engine Only: Change automatic transmission fluid and filters if the vehicle is mainly driven under one or more of these conditions:

 

In heavy city traffic where the outside temperature regularly reaches 32°C (90°F) or higher

In hilly or mountainous terrain

When doing frequent trailer towing

Uses such as found in taxi, police or delivery service

If vehicle is not driven under any of these conditions, change the fluid and filter every 83 000 km (50,000 mi).

 

50 000 km (30,000 mi)

Replace the passenger compartment air filter, if equipped. If vehicle is driven regularly under dusty conditions, the filter may require replacement more often.

Inspect the rear/front axle fluid level. Add fluid as needed. Inspect the constant velocity joints and the axle seals for leaking.

Rotate the tires. +

Replace the fuel filter. This is an Emission Control Service. †

62 500 km (37,500 mi)

Inspect the rear/front axle fluid level. Add fluid as needed. Inspect the constant velocity joints and the axle seals for leaking.

Rotate the tires. +

75 000 km (45,000 mi)

Replace the passenger compartment air filter, if equipped. If vehicle is driven regularly under dusty conditions, the filter may require replacement more often.

Inspect the rear/front axle fluid level. Add fluid as needed. Inspect the constant velocity joints and the axle seals for leaking.

Rotate the tires. +

83 000 km (50,000 mi)

Change the automatic transmission fluid and filter if the vehicle is mainly driven under one or more of the following conditions:

 

Pickup/Utility only: Change the automatic transmission fluid and filter if the vehicle's GVWR is over 8600 lbs., if the vehicle has an Allison transmission or if the vehicle is mainly driven under one or more of these conditions:

In heavy city traffic where the outside temperature regularly reaches 32°C (90°F) or higher

In hilly or mountainous terrain

When doing frequent trailer towing

Uses such as found in taxi, police or delivery service Except Allison Transmission: If vehicle is not used under any of these conditions, change the fluid and the filter at 166 000 km (100,000 mi).

Automatic Transfer Case Only: Change transfer case fluid.

87 500 km (52,500 mi)

Inspect the rear/front axle fluid level. Add fluid as needed. Inspect the constant velocity joints and the axle seals for leaking.

Rotate the tires. +

100 000 km (60,000 mi)

Replace the passenger compartment air filter, if equipped. If vehicle is driven regularly under dusty conditions, the filter may require replacement more often.

Inspect the rear/front axle fluid level. Add fluid as needed. Inspect the constant velocity joints and the axle seals for leaking.

Rotate the tires. +

Inspect the engine accessory drive belt. This is an Emission Control Service.

Replace the fuel filter. This is an Emission Control Service. †

Inspect the Exhaust Gas Recirculation (EGR) system as described in the service manual. This is an Emission Control Service.

Inspect the Evaporative Control System. Inspect all the fuel and vapor lines and the hoses for proper for proper hook-up, routing and condition. Ensure that the purge valve works properly, if equipped. Replace the components as needed. This is an Emission Control Service. †

112 500 km (67,500 mi)

Inspect the rear/front axle fluid level. Add fluid as needed. Inspect the constant velocity joints and the axle seals for leaking.

Rotate the tires. +

125 000 km (75,000 mi)

Replace the passenger compartment air filter, if equipped. If vehicle is driven regularly under dusty conditions, the filter may require replacement more often.

Inspect the rear/front axle fluid level. Add fluid as needed. Inspect the constant velocity joints and the axle seals for leaking.

Allison Transmission Only: Change the automatic transmission fluid and filter if the vehicle is mainly driven under one or more of these conditions:

In heavy city traffic where the outside temperature regularly reaches 32°C (90°F) or higher

In hilly or mountainous terrain

When doing frequent trailer towing If the vehicle is not driven under any of these conditions, change the fluid and filter every 83 000 km (50,000 mi).

Rotate the tires. +

137 500 km (82,500 mi)

Inspect the rear/front axle fluid level. Add fluid as needed. Inspect the constant velocity joints and the axle seals for leaking.

Rotate the tires. +

150 000 km (90,000 mi)

Replace the passenger compartment air filter, if equipped. If vehicle is driven regularly under dusty conditions, the filter may require replacement more often.

Inspect the rear/front axle fluid level. Add fluid as needed. Inspect the constant velocity joints and the axle seals for leaking.

Replace the fuel filter. This is an Emission Control Service. †

Rotate the tires. +

162 500 km (97,500 mi)

Inspect the rear/front axle fluid level. Add fluid as needed. Inspect the constant velocity joints and the axle seals for leaking.

Rotate the tires. +

166 000 km (100,000 mi)

Inspect the spark plug wires. This is an Emission Control Service.

Replace the spark plugs. This is an Emission Control Service.

Change the automatic transmission fluid and the filter if the vehicle is mainly driven under one or more of these conditions:

Pickup/Utility Only: Change the automatic transmission fluid and filter if the vehicle's GVWR is over 8600 lbs., if the vehicle has an Allison transmission or if the vehicle is driven under one or more of these conditions:

In heavy city traffic where the outside temperature regularly reaches 32°C (90°F) or higher

In hilly or mountainous terrain

When doing frequent trailer towing

Uses such as found in taxi, police or delivery service

If vehicle has not been used under severe service conditions listed previously and, therefore, the automatic transmission fluid has not been changed, change both the fluid and filter.

Automatic Transfer Case Only: Change transfer case fluid.

Inspect the positive crankcase ventilation (PCV) valve. This is an Emission Control Service.

240 000 km (150,000 mi)

Drain, flush and refill the cooling system (or every 60 months since the last service, whichever comes first).

Inspect the hoses.

Clean the following components:

The radiator

The condenser

The pressure cap

The neck

Pressure test the cooling system and the pressure cap. This is an Emission Control Service.

Change five-speed manual transmission fluid (4300 V6 or 4800 V8 engines only)

332 000 km (200,000 mi)

Change five-speed manual transmission fluid (6000 V8 engine only).

[TxDoc]

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Other Thread

[ClipperSkipper]

Wasn't that an oil change and "too look at a clunck"?

 

Have a great one!

[99silveradoz71]

What I did was sort of stagger some of the services around 30k.  I believe the tranny flush/change was at 30.  I then did the diff's and t-case at 36.  Passenger compartment filter was done already.  The air filter was also done previously.