Monthly Archive: October 2010

Oct
27

Have you checked your cars A/C filters recently?

When was the last time you had your mechanic check or change your A/C cabin filters ? The majority of car owners in the Orlando area that we have met didn’t even realize that their car had cabin filters fitted . Most  modern vehicles on the road today that have A/C systems  fitted  also have filters  for the interior ventilation. They are often called ‘Cabin Filters’, ‘Pollen Filters’ or ‘Particle Filters’ and play a very important role in filtering the outside air whilst preventing harmful debris and contaminants from entering the inside of the vehicle.

If left unchanged they can starve the interior blower motor of air which can in the worse case cause the motor to fail and possibly burn out.  The first signs of problems are when these filters become blocked and leave a stale smell, this is the debris such as leaves, pollen and dust rotting in the paper filter  which allows  bacteria to grow and spread into the air ventilation hoses and vents. This can cause  breathing issues to anyone who suffers from symptoms such as asthma  and allergies .

These pictures below show Cabin Filters removed from a  2005 Honda, the owner didn’t even know that these filters existed and they had been in the car from new !

Just look at all that mould , dust and pollen festering in the filter !

We strongly recommend that Cabin Filters are replaced every 12,000 miles or 12 months to prevent issues like this from happening.

We would like to point out that  some manufacturers did not fit  Cabin Filters due to vehicle design restrictions . To find out if you vehicle has such filters please call us with your vehicle details.

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Oct
11

Mobile Auto Diagnostics offers premium engine services in Orlando for all Chrysler, Dodge & JEEP 2003- 2010 HEMI’s

Are you looking to save money and extend the servicing schedules in Orlando on your HEMI ® engine with out sacrificing  performance and reliability?  Did you know that Chrysler/ Dodge/ Jeep in Orlando  want you to change the spark plugs in the HEMI ® engine every 30,000 miles? And did you realize there are 16 spark plugs to change ? The reason is because they only fitted the very basic Champion copper spark plugs ( these plugs are OK in weed wackers) , these  type of spark plugs are old school technology that do not last with modern ignition systems. It was always recommended to change copper spark plugs every 12,000 on the older cars, with todays high voltage ignition systems asking these type of spark plug to perform up to 30,000 miles is pushing it. In our experience we have seen them deteriorate around the 20,000 mile mark ( symptoms of failing plugs is a decline in mpg and a lag/ surge when accelerating). This fault is often blamed on the MDS and can feel worse on 4×4 vehicles. Worse case is it could throw a fault code and your check engine light will come on.

With our premium service package we replace these basic spark plugs with the latest Iridium plugs by NGK, these will last in excess of 60,000 before needing replacing. The gains are a small improvement in mpg ( at todays gas prices ANY improvement in mpg is a blessing), a smoother idle and cleaner sharper acceleration.

We replace the basic paper air filter element ( these normally only last 12 months at best with average driving habits) with a K&N panel filter. The benefits with this is that the filter never needs to be replaced, only needs cleaning every 50,000 miles and the manufacturer backs it by  a Lifetime 1 million mile warranty ! Using these filters DO NOT void any warranties . Fast fit oil centers may try and  tell you otherwise because selling you new paper air filters is part of where they make big $$ out of you.

As part of the premium service package we change the oil in the HEMI ® engine for MOBIL 1  fully synthetic oil together with a genuine factory oil filter. It is a well known fact that synthetic oil performs better , lasts longer and protects more than regular oil. It is already factory standard on all SRT models and the only oil listed for  the European models.  It is proven that MOBIL 1 will easily last 15,000 before requiring  to be changed ( this only applies to an engine in excellent mechanical with out any know faults). We recommend after the change to fully synthetic oil that the oil filter is changed after the first 6000 miles and the oil is topped up. So basically you are changing the oil once and  2 oil filters once  a year/ 15,000 miles.  Put that against a traditional 3000 mile oil change ( 5 oil filters and 5 full oil changes = 15,000 miles )and you can see how easily it is to save money. It is also a big benefit to the environment as the waste oil and disposal of the oil filters is greatly reduced.

All of the above items will help maintain the  performance, improve drivability and help  reduce your HEMI ® powered Chrysler / Dodge/ Jeep regular maintenance  costs. For more information on our premium service packages please use the contact us page.

Interesting information: The wasted spark ignition system with 2 spark plugs per cylinder used in the  HEMI ® engine is nothing new, Mercedes have been using this idea for more than 10 years at least, ironically  the HEMI® engine was designed and put into production when the company was called DaimlerChrysler  ( Mercedes and Chrysler were partners in business) so one has to ask why did they only fit the most basic Copper spark plugs ( Cost cutting? Contract obligations with existing parts suppliers?)  when an identical system in all Mercedes engines only recommended Double Platinum or Iridium spark plugs and the service schedule for spark plugs is at least 60,000 miles + .

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