Starter Motor Problems: Symptoms & Diagnosis
Common starter motor symptoms, what causes them, and a diagnostic sequence for separating a starter fault from a battery or wiring fault.
ReadAlternator, Starter & A/C Compressor Guides — Page 3
Page 3 of 3. Technical guides for alternators, starters and A/C compressors — diagnosing a fault, replacing a part, reading an OE number, and how freight and minimum order quantities work.
How to Diagnose and Repair Car Air Conditioner Noise
A step-by-step sequence for tracking down air conditioning noise — belt, blower, refrigerant pressure, compressor and clutch — before replacing parts.
ReadAlternator Voltage Regulator Guide: Failure Symptoms & Replacement
How to tell a failed voltage regulator from a failed alternator, when replacing the regulator alone is safe, and how to match the right part.
ReadAlternator Noise Diagnosis Guide
How to identify alternator noise by type — bearing, belt, brush or rectifier — and decide whether the unit needs repair or replacement.
ReadAlternator Disassembly, Assembly and Repair
Alternator teardown and rebuild, step by step: inspection points, torque practice, bench testing, and the mistakes that cause repeat repairs.
ReadAlternator Bearing Noise: Repair or Replace?
How to confirm alternator bearing failure rather than a belt or pulley noise, whether bearings can be replaced, and when the unit should be swapped.
Read7 Common A/C Compressor Problems: Causes, Symptoms & Solutions
Seven A/C compressor faults, what each sounds and feels like, the likely cause, and whether the fix is a clutch, a seal or the whole unit.
ReadHow to send an auto parts inquiry that gets a same-day answer
The four things a supplier needs before they can price an aftermarket part — and what most buyers leave out.
ReadReading an OE number: what it tells you, and what it does not
OE numbers identify applications rather than manufacturers — and the format varies by car maker. Here is how to read them usefully.
ReadConsolidating a mixed order: what to combine, and what to keep separate
Mixing brand lines and categories into one shipment saves freight — but not always. Three things worth checking first.
ReadSample orders: how to verify a new reference before committing
A short checklist for testing a new alternator or starter reference on the bench, before it goes into a bulk order.
ReadWhy carton size changes your freight bill
Volumetric weight, explained without the jargon — and the three packing decisions that reduce it.
Read