Electrical Issues – Telling Simple From Not

This vehicle was sent to us by another repair shop with the concern that it did not start, or would only start intermittently. The battery, starter, and finally the key switch were replaced in an attempt to get it to start. In fact, the starter was replaced twice. Then it was towed to our workshop. Mystery? Had the battle is recreating the problem, which it did here. Mystery? Not really for the Atlantic Motorcar Service Team, we see these cars day in and day out, we specialize in knowing, not just guessing. And when you do the same thing again [...]

By | July 9th, 2018|Case Studies|Comments Off on Electrical Issues – Telling Simple From Not

Mercedes CLK320 – Climate Control Link/Motor Defective

Hidden in the dash of that nice C-Class are a series of small plastic levers, which, given time and use, may fracture, resulting in an unusual noise from the dash area. The noise is noted as a "snapping" or "popping" sound in or near the center vents, and the customer may also have a concern about incorrect temp or air flow from the vents. The problem, a small plastic lever which operates the foot well flaps via a servo motor. In this car, we found both the broken link as well as a defective servo motor. The servo motor had [...]

By | August 10th, 2011|Case Studies|Comments Off on Mercedes CLK320 – Climate Control Link/Motor Defective

Mercedes C-Class – Air Flap Lever Fracture “Snapping” Noise

Hiding in the dash of that nice C-Class is a small plastic lever, which, given time and use, may fracture, resulting in a noise from the dash area. The noise is noted as a "snapping" or "popping" sound in or near the center vents, and the customer may also have a concern about incorrect temp or air flow from the vents. The problem, a small plastic lever which operates the foot well flaps via a servo motor. Running a diagnostic with the Mercedes SDS computer should confirm the fault, before the teardown and visual inspection. The plastic lever in question [...]

By | August 1st, 2011|Case Studies|Comments Off on Mercedes C-Class – Air Flap Lever Fracture “Snapping” Noise

BMW 525 – Defective Heat Exchanger (Heater Core) in Dash

This car has was diagnosed with a defective heat exchanger, also know as a heater core. The heater core as used in this BMW's climate control has hot engine coolant flowing through it during operation. The heater core, which is comprised of a an aluminum core and nylon tank ends had developed at leak at the interface. This area is often sealed with rubber o-ring which fails after long term exposure to heat and coolant. Once the o-ring seal fails, coolant will begin to seep out of the heater core into the heater box producing a strong burning smell from [...]

By | July 16th, 2011|Case Studies|Comments Off on BMW 525 – Defective Heat Exchanger (Heater Core) in Dash