Land Rover Service Schedules

Better Service For Less. Since 1981

Thursday, July 29, 2010

Cabin Air Filter Q & A

Q. How often should a cabin air filter be changed?

A. As often as necessary to prevent the filter from clogging, or in the case of cabin air filters that also absorb odors in addition to blocking dust, as often as needed to keep unpleasant odors to a minimum.

Under normal driving conditions for a vehicle driven primarily in a city or suburban area, or on paved highways, the average service life of a typical cabin air dust filter is about one year, or 10,000 to 12,000 miles. For a vehicle in a rural area that is driven frequently on gravel roads, the service life of the filter may only be six months or less.

Cabin air filters are very efficient and have electrostatically charged fibers that can trap particles smaller than 1 micron in size. Most quality cabin air filters will stop 100% of all particles that are 3 microns or larger in size and 95-99% of particles in the 1-3 micron size range. This prevents most pollens, mold spores and bacteria from entering the vehicle. Some cabin air filters are also treated with a chemical biocide to inhibit the growth of odor-causing bacteria, fungi and algae.

When a cabin air dust filter becomes clogged, it restricts airflow into the HVAC unit. This may cause reduced airflow and cooling from the air conditioner and/or lower heater/defroster output during cold weather.

If the cabin air filter is a combination type that has a layer of activated charcoal to absorb exhaust fumes and other unpleasant odors, the service life of the odor filter is only about a year, or 6,000-10,000 miles in Houston. So when odors start to become more noticeable while driving (and they aren't coming from leftover pizza or dirty socks in the back seat), it is probably time to replace the filter.

State-of-the-art Diagnostic

We take pride on using the latest technologies and state-of-the-art diagnostic tools and equipment. Coupled that with ALLDATA® we can diagnose and troubleshoot most complex problems in a fraction of the time that it takes other shops.

Factory-Scheduled Maintenance

We perform factory-scheduled maintenance, such as oil changes, tune-ups, and more extensive repairs such as powertrain, chassis and electrical, to maintain your car's warranty.

Land Rover Service Schedules

1987 to 1999 model year US market vehicles with 14CUX or GEMS engine management. What should be done, and when: Note that this list of service differs in some respects from the manufacturer service schedule. It is based upon our extensive experience and intended for users who operate their trucks mostly on road, on highway. Drivers who run extensively off road or in water may have different needs. Drivers with modified trucks may also have different needs. This list is intended to serve as a guide only.

SCHEDULED MAINTENANCE

3,250 miles
Change oil and filter if you're using regular oil. Less often and you'll be building up sludge in the motor. Use a 5,000 mile interval if you're using Mobil 1 or comparable synthetic. For synthetic oil users on stock tires rotate tires every second oil change.
7,500 mile intervals between big service
Change oil & filter. We recommend Mobil 1 Extended Performance. Check and top all other fluids Rotate tires Check for damage under car Grease drive shaft u-joints Lube body hinges and door latches
Also every 52,500 miles when "Service Engine" comes on
Reset service reminder using Land Rover test system Check emission system and service as necessary - check function of O2 sensors, check operation of purge system and gas cap. Clean crankcase breather, replace hoses if collapsed, and clean throttle body.
30,000 miles or 3 years
Change engine oil & filter. We recommend Mobil 1 Extended Performance. Drain and refill transmission fluid Change front and rear axle oils Check swivel housings (N/A to P38 Rovers) Change transfer case oil Change brake fluid by pumping fresh fluid through the system Change coolant if more than 3 years old Check and top all other fluids Oil all door and body hinges Grease drive shaft joints Test battery and replace if faulty Replace spark plugs Replace air filter	Check brakes Adjust parking brake Check exhaust and under car components for damage Replace wipers if torn or streaking. Check function of all lights Check a/c and heat Check all accessories Check washer jets, clean and adjust if needed Rotate tires Check for stored fault conditions with Sanner or T4 system Road test and note other problems Replace cabin filters if needed (P38 Rovers) Check steering linkage joints. Joints should all be good and tight.
45,000 miles
Change engine oil & filter. We recommend Mobil 1 Extended Performance. Check transmission fluid Check front and rear axle oils Check swivel housings Check transfer case oil Check and top all other fluids Oil all door and body hinges Grease drive shaft joints Replace spark plugs Clean air filter	Check steering linkage joints. Joints should all be good and tight. Check brakes Check exhaust and under-car components for damage Replace wipers if bad Check lights Check a/c and heat Check all accessories Check washer jets, clean and adjust if needed Rotate tires Road test and note other problems
60,000 miles
Change engine oil & filter. We recommend Mobil 1 Extended Performance. Change transmission fluid and filter Change front and rear axle oils Check swivel housings Change coolant if more three years old Replace plastic fill plug on radiator if fitted Change transfer case oil Change brake fluid by pumping fresh fluid through the system Check and top all other fluids Oil all door and body hinges Grease drive shaft joints Test battery and replace if faulty Replace spark plugs Replace air filter Replace fuel filter Clean throttle body	Clean differential vent pipes Check steering linkage joints. On all but P38 Range Rover replace pitman arm joint unless it's already been changed Check brakes Adjust parking brake Check exhaust and under car components for damage Replace wipers if bad Check lights Check a/c and heat Check all accessories Check washer jets, clean and adjust if needed Rotate tires Check for stored fault conditions with Scanner or Testbook Check operation of O2 sensors and emission system if not done at 52,500 Road test and note other problems
75,000 miles
Change engine oil & filter. We recommend Mobil 1 Extended Performance. Check transmission fluid Check front and rear axle oils Check and top all other fluids Check swivel housings Check transfer case oil Oil all door and body hinges Grease drive shaft joints Replace spark plugs Clean air filter	Check steering linkage joints. Joints should all be good and tight. Check brakes Check exhaust and under car components for damage Replace wipers if bad Check lights Check a/c and heat Check all accessories Check washer jets, clean and adjust if needed Rotate tires Road test and note other problems
90,000 miles
Change engine oil & filter. We recommend Mobil 1 Extended Performance Change transmission fluid and filter Change front and rear axle oils Check swivel housings Change coolant if more three years old and not done at 60k Change transfer case oil Change brake fluid by pumping fresh fluid through the system Check and top all other fluids Oil all door and body hinges Test battery and replace if faulty Grease drive shaft joints Repack wheel bearings unless they have been previously serviced	Replace spark plugs Replace air filter Check steering linkage joints. On Disco 1 and Classic-replace any that are still original. Check brakes Adjust parking brake Check exhaust and under car components for damage Replace wipers if bad Check lights Check a/c and heat Check all accessories Check washer jets, clean and adjust if needed Rotate tires Check for stored fault conditions with Scanner Check operation of O2 sensors, replace if bad Road test and note other problems
105,000 miles
Change engine oil & filter. We recommend Mobil 1 Extended Performance. Check transmission fluid. Check steering linkage joints. Joints should all be good and tight. Check brakes Check exhaust and under car components for damage Replace wipers if bad Check lights Check a/c and heat Check all accessories Check washer jets, clean and adjust if needed Rotate tires Road test and note other problems Check front and rear axle oils Check and top all other fluids	Check swivel housings Check transfer case oil Oil all door and body hinges Grease drive shaft joints Replace spark plugs Clean air filter Check steering linkage joints. Joints should all be good and tight. Check brakes Check exhaust and under car components for damage Replace wipers if bad Check lights Check a/c and heat Check all accessories Check washer jets, clean and adjust if needed Rotate tires Road test and note other problems
120,000 miles
Change engine oil & filter. We recommend Mobil 1 Extended Performance. Change transmission fluid and filter Change front and rear axle oils Check swivel housings Change coolant if more three years old and not done at 60k Replace plastic fill plug on radiator if fitted Change transfer case oil Change brake fluid by pumping fresh fluid through the system Check and top all other fluids Test battery and replace if faulty Oil all door and body hinges Grease drive shaft joints Replace spark plugs	Replace air filter Replace fuel filter Check steering linkage joints. On Disco 1 and Classic-replace any that show any play. Check brakes Adjust parking brake Check exhaust and under car components for damage Replace wipers if bad Check lights Check a/c and heat Check all accessories Check washer jets, clean and adjust if needed Rotate tires Check for stored fault conditions with Scanner or Testbook Replace O2 sensors unless they've already been changed Road test and note other problems

Other Services Offered

Engine Repair
Air Conditioning
Electrical Diagnostic and Repair
Complete Exhaust Repair
Emissions Failures Repair
Brakes & Shocks/Struts
Coolant System Flush (every 2-3 years)
Pre-Purchase Evaluation/Health Check
Health Check With Scanner Test

We service only European cars. Some repairs cannot be priced out over the phone without seeing the vehicle first but we will always try our best to answer your questions.

Note: Some models may differ in their requirements. Please consult your Owner's Manual for complete information.