Diesel engines: the essentials

mechanic working on diesel engine

When you think about diesel engines, you probably think about large trucks and machinery, and maybe a few oddball cars over the years.  But how long has diesel really been around, and why is it used the way it is today? Harold's Used Auto Parts Inc in Philadelphia, PA has the answers you need to become more in-tune with your diesel truck and engine. 

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Diagnosing a bad brake master cylinder

mechanic repairing brakes on a vehicle

Has your brake master cylinder gone bad? How would you know? What even is it? Harold's Used Auto Parts Inc in Philadelphia, PA has the answers.

Your brake master cylinder is an integral part of your brake system. When one fails, some odd symptoms may arise, and it may be difficult to diagnose. Here’s some information to help you decide if yours has given out on you.

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4X4 and AWD Maintenance

fleet of cars

Are your fleet vehicles equipped with four-wheel or all-wheel drive? More and more, companies are moving towards vehicles equipped with one or the other - they’re safer and more useful, particularly in inclement weather or less than ideal conditions. If your fleet is powered by all four wheels, Harold's Used Auto Parts Inc has you covered.

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Bad engine mounts, why is it a problem for you?

working on a truck on a lift

Failed engine mounts are an irritating issue to live with causing your car or truck to vibrate and you don't know why. At Harold's Used Auto Parts Inc in Philadelphia, PA, we can help, no matter what type of car, truck, or SUV you drive and it is an easy issue to detect on a test drive.

There are a few indicators your engine mounts need to be replaced. For one, you can do a visual inspection, if they’re accessible enough - if they looked cracked, smashed, or dry-rotted, it’s probably time for new ones.  If the engine visibly shakes while it’s running, engine mounts are also likely the culprit.  However, if you are like most drivers you simply get in and drive on down the road until something is different or a light comes on!   Then you call our shop for help!

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Have you checked your battery? If it looks like this - It's bad!

corrosive battery in car image

When you are having trouble with your car or truck starting and you open the hood up to take a peek to see this....you'll see what an overly corroded battery looks like. This happens naturally over time on vehicle battery terminals.  If you are like 99% of normal Philadelphia drivers, you don't check your oil or your battery so you don't keep an eye on the amount of corrosion that's building up on your car or truck battery.  Here at Harold's Used Auto Parts Inc, we do and there are solvents that we can use here in the shop during a battery maintenance service that will help slow the corrosion process but nothing that can prevent it 100%. Way before it gets to this point, we will be suggesting you consider replacing the battery. 

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Simple Steps to Save Fleet Downtime - Tranmissions!

fleet vehicles photo

Our fleet truck customers do not need to spend valuable time in the shop with transmission issues due that could have been avoided by servicing their fleet vehicles based on their owner's manual recommendations!  Especially if it is simply changing a clogged filter, changing fluids or clutch issues!  Our transmission technicians here at Harold's Used Auto Parts Inc in Philadelphia believe that service = saving high repair bills!   Therefore, we believe in a proactive approach!

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  • Jasper
  • Acdelco
  • ASE
  • BG Products
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  • Duramax Diesel
  • Fleet Services
  • Flowmaster
  • Magnaflow
  • Motorcraft Parts
  • Ford Power Stroke Diesel
  • RV Repair
  • Tires
  • Towing

Harold's Used Auto Parts Inc

5347 Whitby Ave
Philadelphia, PA 19143

location small (215) 472-1552
Email the Shop

SHOP HOURS

Weekdays:   8:30 AM - 5:30 PM
Saturdays: 8:30 AM - 2:00 PM

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