J R Automotive Repair 97 W. Suffolk Ave

J R Automotive Repair 97 W. Suffolk Ave J R Automotive Service Corp.. been proudly serving Central Islip area since 1959 J R Automotive Service Inc.

Is A Family-Owned Business In the Same Location In Central Islip for Over 60 Years N.Y.S. Inspections brakes Axcel check engine lights, Welding, Appointments Available 631 234 1959

I get a laugh out this every year when this car comes in
04/07/2026

I get a laugh out this every year when this car comes in

1909-1911 Brush believed to be "The first auto with coil spring suspension"....The company was founded by Alanson Partri...
03/20/2026

1909-1911 Brush believed to be "The first auto with coil spring suspension"....The company was founded by Alanson Partridge Brush (February 10, 1878, Michigan – March 6, 1952, Michigan). He was a self-taught prolific designer, working with Henry Leland at Oldsmobile, and went on to help design the original one-cylinder Cadillac engine. (Per Wikipedia)

********WE WILL BE ·CLOSED TILL WENSDAY******News 12 Long IslandAmazing totals. As of 7am, Islip Airport 23 inches. 3 in...
02/23/2026

********WE WILL BE ·CLOSED TILL WENSDAY******

News 12 Long Island
Amazing totals. As of 7am, Islip Airport 23 inches. 3 inches per hour, 6 inches in last 2 hours. Top 7th snowstorm, we could become number 1 by this afternoon.

I'm sharing some wisdom with all my fellow machinists today. I used to put a dab of grease on the stem of the rout-a-bur...
09/20/2025

I'm sharing some wisdom with all my fellow machinists today. I used to put a dab of grease on the stem of the rout-a-burr blade to lubricate and help keep a smooth rotation while deburring parts. Now that I'm older and wiser I use Neosporin to lubricate the blade. That way when the end of the blade breaks off and I gash myself wide open I am immediately on my way to recovery. Happy deburring my friends.

This is what we go threw every day :(
08/30/2025

This is what we go threw every day :(

Brake Rotors: What Are They & How Do They Work? Brake rotors, also known as brake discs, come in several types, each des...
08/23/2025

Brake Rotors: What Are They & How Do They Work?

Brake rotors, also known as brake discs, come in several types, each designed with specific performance characteristics in mind. The most common types include blank (or smooth), drilled, slotted, and drilled and slotted. Blank rotors are the standard, smooth option, while drilled and slotted rotors offer enhanced heat dissipation and debris removal for improved braking performance, particularly in demanding driving conditions.
Brake Rotors: Choosing the Right Pattern - Auto Parts Central

Here's a more detailed look:
Blank (Smooth) Rotors:
These are the most basic and common type, featuring a smooth, flat friction surface. They are typically found on most factory-installed (OE) braking systems and offer reliable performance for everyday driving.

Drilled Rotors:
These rotors have holes drilled into the friction surface. The holes help to vent hot gases and water, which can improve braking performance in wet or high-heat conditions. However, drilled rotors may be more prone to cracking under extreme heat, making them less ideal for racing.

Slotted Rotors:
Slotted rotors have grooves or slots machined into the friction surface. These slots help to wipe away brake pad material and debris, leading to more consistent braking performance and preventing glazing of the brake pads. They are also effective at dissipating heat and water.

Drilled and Slotted Rotors:
This type combines the features of both drilled and slotted rotors. They offer the benefits of both venting and debris removal, making them a popular choice for performance driving. However, similar to drilled rotors, they may be more susceptible to cracking under extreme heat.

Vented Rotors:
While not a surface treatment like drilled or slotted, vented rotors have internal vanes that allow air to flow between the two friction surfaces. This significantly improves heat dissipation compared to solid rotors, making them a good choice for daily drivers and vehicles that experience frequent braking.

Composite Rotors:
These rotors utilize multiple materials, often a combination of iron and carbon fiber, to achieve specific performance characteristics. They are typically found in high-performance vehicles and offer reduced weight and enhanced heat management compared to traditional cast iron rotors.

Floating Rotors:
These rotors use a separate carrier (often aluminum) and a friction surface (often steel) that are connected by floating rivets. This design allows the rotor to expand and contract with heat, reducing the risk of warping.

The image illustrates how to test a Crankshaft Position Sensor (CPS), which is a vital component in an internal combusti...
08/12/2025

The image illustrates how to test a Crankshaft Position Sensor (CPS), which is a vital component in an internal combustion engine, monitoring the crankshaft's position and rotational speed. This information is relayed to the Engine Control Unit (ECU) for precise timing of fuel injection and ignition.
How to test the Crankshaft Position Sensor (CPS) using a multimeter:
Connect the multimeter:
As shown in the image, connect the multimeter's probes to the two terminals of the crankshaft position sensor. The red probe should be connected to the positive terminal and the black probe to the negative or ground terminal.
Set the multimeter to resistance (Ohms):
The image displays the multimeter set to measure resistance (Ω), which is the correct setting for this test.
Compare the reading to specifications:
The multimeter in the image shows a reading of 533 Ω. You should compare this reading to the specified resistance range for your vehicle's make and the type of sensor (VR or Hall) using the provided table. For example, a Mazda VR sensor should have a resistance between 400-550 Ohms.
Interpret the results:
If the measured resistance falls within the specified range, the sensor is likely functioning correctly. If the reading is outside the range or shows an open circuit (infinity, indicated by '∞' for Hall sensors in the table), the sensor may be faulty.

Address

97 W Suffolk Avenue
Central Islip, NY
11722

Opening Hours

Monday 8am - 6pm
Tuesday 8:30am - 7pm
Wednesday 8am - 6pm
Thursday 8:30am - 6pm
Friday 8:30am - 7pm
Saturday 8am - 3pm
Sunday 8am - 3pm

Telephone

+16312341959

Website

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