15 Jan, 2018

Tech Tip – The Truth About Lifetime Transmission Fluids – “Oil is Cheaper Than Metal”

By | January 15th, 2018|Case Studies|Comments Off on Tech Tip – The Truth About Lifetime Transmission Fluids – “Oil is Cheaper Than Metal”

 

BMW, Mini Cooper “Lifetime Fluid”

There is a trend with many manufacturers to use so called “Lifetime” transmission fluids in their new cars. Audi, BMW and Mercedes have been doing this for years.

 
The real question is what is a “lifetime”? If the lifetime of the car is the reference point, most owners will be sorely disappointed, […]

10 Jan, 2018

BMW Engine Camshaft Bolts Problem – Repair and Correction

By | January 10th, 2018|Case Studies|Comments Off on BMW Engine Camshaft Bolts Problem – Repair and Correction

What Happens
Certain late model BMWs can experience a problem with the camshaft sprocket retention bolts failing.
This is a design defect, and well know in professional BMW service circles.
You can see on the photo below, that VANOS (variable valve timing system) to intake camshaft bolts have broken and backed out, 3 of the 4 bolts are damaged and loose.

BMW said “in very rare cases the bolts holding the variable camshaft timing (Vanos) unit housing may become loose or, in extreme cases, break.” In such cases, the driver would be alerted by […]

4 Jan, 2018

Volvo Differential Rebuilding Service – Out of Our Area? Send Your Unit To Us

By | January 4th, 2018|Case Studies|Comments Off on Volvo Differential Rebuilding Service – Out of Our Area? Send Your Unit To Us

The Problem
The rear differential design has been in use in the Volvo world since the 2008 to at least the 2014 model year, so it’s something to consider if you own a vehicle in that range. We service a tremendous amount of Volvo XC70s, and have seen the problem largely on those models, but have read reports of it being an issue on the S80 as well. Now the earlier Volvos had their own set of differential or bevel gear problems, which you can read about on our blog at Volvo AOC problems.

What We Do
We mentioned that we’ve seen this problem before, and […]

22 Nov, 2017

AMC Service Tip – Replacing Stuck or Blind Hole Bearing Races

By | November 22nd, 2017|Case Studies|Comments Off on AMC Service Tip – Replacing Stuck or Blind Hole Bearing Races

Problem

Removing Stuck Bearing Races Removing Stuck Bearing Races

Tapered roller bearings are commonly found in wheel bearings, transmission, differentials, and other automotive systems. They consist of two parts, the bearing cone with the roller bearing, and a “race”, which is the highly polished and hardened surface on which the bearing rides. The race is pressed into the part or casting and the roller bearing installed on top of it.

So let’s say you have a bearing race (transmission, wheel, differential or other) in a “blind” hole that you need to replace. By “blind” we mean you can’t […]

13 Nov, 2017

Investing In Your Team – BMW Service Training

By | November 13th, 2017|Case Studies|Comments Off on Investing In Your Team – BMW Service Training

Investing In Your Team – BMW Training – Last Weekend

Investing In Your Team - BMW Training - Last Weekend Investing In Your Team – BMW Training – Last Weekend

Want to most sincerely thank to the awesome AMC Team for attending BMW Service Training last weekend. I know that giving up a weekend isn’t what everyone looks forward to.

Ongoing training is something that we very strongly believe in here at AMC, it’s been a key corporate value since we first started in business over 30 years ago. It benefits you the […]

11 Jan, 2016

BMW Service Engine Clogged Breather System – Oil Consumption Use

By | January 11th, 2016|Case Studies|Comments Off on BMW Service Engine Clogged Breather System – Oil Consumption Use

BMW Service Valve Cover BMW Service Valve Cover –
Note sludge or clogging in ventilation port

BMW Service with N52 Engine – This vehicle came from another shop with an uncorrected engine oil leak and high oil use. Consumption was on the order of 1 quart per 100 miles, yes, you read that right.

We started by finding the incorrect engine oil fill cap had been installed by the previous facility, causing an oil leak on the top of the engine, but that was only one problem. The real culprit was a problem with the crankcase […]

13 Mar, 2015

BMW Engine – When Good Oil Pans, Go Bad – Oil Leaks

By | March 13th, 2015|Case Studies|Comments Off on BMW Engine – When Good Oil Pans, Go Bad – Oil Leaks

Drive Oil Level Data Drive Oil Level Data

I title this when “Good Oil Pans Go Bad” to illustrate a point, 99% of the time, the engine oil pan does nothing but hold your engine’s oil, but when the gasket between the engine block and pan fails, it’s a bad thing.

What
Aside from the engine oil leak making a mess in your garage or parking space, and possible engine damage from low oil level, that oil has a nasty habit of finding it’s way to your engine’s catalytic convertor. Oil on a very hot […]

2 Mar, 2015

BMW Service – Taillight Wiring Electrical Problem

By | March 2nd, 2015|Case Studies|Comments Off on BMW Service – Taillight Wiring Electrical Problem

BMW E60 (528Xi) – The car presented with an intermittent turn signal and brake light, warnings being received on the dash mounted iDrive system. Examination by our BMW Service techs quickly reveled that the fault was the rear rear circuit board, and wiring harness for the passenger side.

BMW electrical connector, noted melted ground contact pin. BMW electrical connector, noted melted ground contact pin.

You will note that the ground lead wire and electrical connector have melted into the plastic wiring plug, damaging both the wire, the connector, and the taillight circuit board. BMW has […]

27 Feb, 2015

BMW Radiator – Replacement and Prevention

By | February 27th, 2015|Case Studies|Comments Off on BMW Radiator – Replacement and Prevention

Why

BMW engine radiator, clogged with debris. BMW engine radiator, clogged with debris.

BMW E60 Radiator, you’ll note leaking at the cores on the bottom rows. The cause became quickly evident, the back of the radiator was covered with leaves and other debris that had been drawn into the radiator core. Nearly impossible to clean without removal, or extensive disassembly, it can help if you are able to clean out any visible leaves. Also a strong underbody car wash may aid in displacing the debris.

If you car has the symptoms noted above, you might […]

16 Feb, 2015

BMW Service – Ignition Coils – Catalytic Convertor Replacement

By | February 16th, 2015|Case Studies|Comments Off on BMW Service – Ignition Coils – Catalytic Convertor Replacement

What
BMW Service – That flashing red or yellow Check Engine light? It means something, and on later model BMW, Audi, Mercedes, and other imports, it frequently means that one or more ignition coils have given up the ghost, especially if you’ve got 80,000 to 100,000 miles on the odometer.

Bosch coil, Bosch is OEM for BMW on this part. Bosch coil, Bosch is OEM for BMW on this part.

So what is the ignition coil? Quite simply, this small little electronic device provides the voltage that fires the spark plugs, and is the heart of your […]