Auto and Truck Repair and Advice

Serving the Gainesville and Hawthorne Florida Area

Auto and Truck Filters

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Maintaining your filters is important!

Good quality filters changed regularly are one of the least expensive but most important maintenance items you need to keep track of on your car. A dirty oil filter can restrict your engine's vital oil flow. A clogged air filter can give bad gas mileage, and a missing or damaged air filter can let grit into your engine, scratching and scoring your cylinder walls!

Oil Filter

Clean oil is fed to your engine under pressure by your oil pump. This oil is vital lubricant for your crankshaft, camshaft, piston rings, and other internal engine parts. If your oil pressure drops below 10-15 pounds, you engine will probably be damaged within seconds. "Throwing a rod", or a rod bearing failure, will result very quickly when oil pressure is lost.

A GOOD CLEAN OIL FILTER

In normal operation all your car's oil flows through the oil filter's filter medium. There are 2 types of oil filters: pleated paper, and fiber. Pleated paper filters have a special filter paper folded in a "W" pattern, wrapped in a circle. Oil flows in through a center core, through the filter paper, and out to the motor. Fiber filters have cotton or synthetic fber batting compressed between 2 layers of perforated metal. Oil flows from the inside to the outside on these filters also.

The difference between fiber and paper filters

It's hard to tell a fiber filter from a paper element filter from the outside; you have to cut it open to see the difference. In general, Purolator is the long-time fiber filter maker, and most everybody else is paper. Who's better? They're both good filters. The various filter maker's websites have cutaway pictures of their filters vs. other makers: it's worth a look.

Oil filter Bypass and Drainback

Oil filters also often incorporate a couple of valves: a bypass valve and an anti-drainback valve. The bypass valve is in case the filter clogs: it opens and allows oil to bypass the filter. In practice you should never need this valve: if it opens it basically means you've been so sorry about your oil changes that the filter is totally clogged. The anti-drainback valve prevents the oil in the engine and filter from draining back into the crankcase when the engine shuts off. This means the engine gets full oil flow and pressure quickly when it starts up again.

Air Filters


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Thank you for visiting the ECONOMECHANIX WEB SITE. Please feel free to comment. We also serve the surrounding communities of Alachua, High Springs, Hawthorne, and Newberry! Gainesville has been my home since 1974, and I've loved Gvl and the Gators since I came here in the fall of 1974 to attend the University of Florida. I loved it so much I stayed and opened my car repair business. Originally it was out of the back of a 1963 Chevrolet wagon, but in 1977 a fellow mechanic and I opened an auto repair shop with actual walls, etc. I stayed in the same location for 26 years, and recently moved my operation to property I bought 15 miles east of Gainesville. I am doing most all the repairs myself now, having reduced my overhead from $1500 per month to practically nothing. I do work by appointment only. I mostly work only on my established customers cars, but I will occasionally take on new clients. E-mail me and I will either make arrangements to look at your car, or I will recommend you to someone who will.

George G. Scott, Jr.


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Auto, Car, and Truck Article List

A
ABS: Anti-Lock Brake Systems
ADVANCE: Car ignition timing
ALTERNATORS and Car Battery
AUTOMATIC TRANSMISSIONS
B
BAD CAR DESIGNS
BATTERIES: Auto, Car or Truck
BELTS AND HOSES
BEARINGS
BODY AND BUMPER REPAIRS
BRAKE REPAIRS: Car or Truck
C
Car Washing and Care
CARBURETORS:Car & Truck
CHECK ENGINE LIGHT
CLEANING: Engine Cleaning
CLUTCH REPAIRS: Car & Truck
COMPRESSION: Car Engine
COMPUTER CAR CONTROLS
CV JOINT OR CV AXLES
D
DISTRIBUTORS (IGNITION)
E
ELECTRIC WIRING REPAIR
ENGINES: Car & Truck
ENGINE CLEANING
EXPANSION PLUGS
F
FILTERS: OIL, AIR, ETC.
FREEZE PLUGS
FUEL AIR MIXTURE
FUEL INJECTION: Car & Truck
FUEL PUMPS: Car & Truck
G
GAGES AND "IDIOT LIGHTS"
GASKETS AND SEALS
GLASS: WINDOWS AND WINDSHIELDS
H
HEADS & HEAD GASKET
HOSES AND BELTS
I
"IDIOT LIGHTS" AND GAGES
IGNITION TIMING: Car & Truck
J
AUTO JACKS: lifting cars safely
K
L
LEAN "Car runs lean"
LIGHTS: WARNING OR "IDIOT LIGHTS"
Limp Home Mode
M
MIL Light
MANUAL TRANSMISSIONS
N
NO START: Car Won't Start
O
OIL CHANGES
OIL: What's right for your car?
OIL LIGHT ON OR GAGE LOW
P
PCV Valve
Q
R
RADIATORS: Car and Truck
RICH: Car runs rich
S
SEALS AND GASKETS
SERVICE ENGINE SOON LIGHT
SPARK PLUGS
STARTERS: Auto, Truck
T
THERMOSTATS
TIMING: IGNITION TIMING
TIMING BELT & TIMING CHAIN
TIRE REPAIR
TRANSMISSIONS: AUTOMATIC
TRANSMISSIONS: MANUAL
U
V
VACUUM ADVANCE
WARNING LIGHTS OR "IDIOT LIGHTS"
Car Washing and Care
W
WATER PUMP REPAIR
WINDOWS AND WINDSHIELDS
WIRING REPAIR
X
Y
Z

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