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Hi chaps. Was talking with a customer today, we were talking about diesels and stuff. He said a current vehicle of his, equipped with the Mercedes Bluetec platform, had some kind of aftermarket type air filter installed at some dealer. Apparently this modified the pressure drop in the intake...

Hey guys, I have a Bluetooth to OBDII adapter to use with OBD Fusion on my iPhone. I need to check CVT trans temps on 2014+ Subaru TR580/TR690 transmissions. For research I poked around the internet and dug out data from the ScanGauge category for transmission. Example: Code NAME...

Hi folks, Got a little bit of a debate at work going on now. People tell me that you don't have to shift the gears to check the level on an automatic transmission. Yet I know every single AT procedure for level check from the manufacturer or other well qualified source says to check the...

Hi guys. I have done a few fluid services on the Power Transfer Unit gearboxes found on the Frd Explorer, Edge and other related models that use the same PTU. Every time, the fluid is black, pitch black. We know that previously, Ford only recommends a fluid service every 160k km (100k mi) only...

Hi guys, I heard some rumors at work that some vehicles can tell if the wrong oil is added after an oil change... And then they shut down the engine or something to that matter, popping up some message to that matter... Anybody know anything about this?

Hi, I may as well make the question short and simple. A number of transmissions these days which are not equipped with dipsticks have special check or fill ports which are only accurate at specific temperature ranges. Is it considered acceptable to use an infrared thermometer on the...

Hi guys, I have stocked this ACDelco AutoTrak II to use with certain GM vehicles equipped with New Process Gear (defunct) transfer cases. However, because of a change in our database I cannot know for certain which transfer cases this product is even used for. We had a memo go out with which...

Hi, We have a grease gun pump at work that pumps grease from 35gal drums. (It is a Graco Fireball 300, for those interested.) Assuming all lines are not leaking, how do air bubbles, pockets of air and foamy aerated grease become induced inside the system? About a month ago, I decided to try...

Hi, I have a question I have been pondering for some time now, and I figured if I had it in my head, someone else had it too. The question is this: How long can a typical engine last (ignoring certain unusually robust ones) with no oil in the sump before engine damage starts to set in...

Hi, I'm interested in this facility...for a couple of reasons. Can I get someone who works there to PM me? Thanks

Hi, I encounter a problem somewhat frequently of stripped out or rounded out 3/8 drive gearbox check plugs. For 10mm hex drive ones, we use a Torx T55 driver on it, and hope for the best. For stripped out/rounded out 18mm drive aluminum plugs on a GM transfer case, we ... actually ... ahem...

I am mystified by the presence of a rear differential on the RX400h. It's a hybrid, and I looked carefully for a motor or high-current wires going to the box, but nothing I spotted. What is it? There is no driveshaft connecting it to the front final drive. If I may ask so, what is the...

I have always wondered about these check and drain plugs on most GM vehicles. The transfer case itself is either magnesium or aluminum alloy, and the check and drain plugs are aluminum. Sometimes they come with a pipe thread tape on them (our stock has it pre-applied, although when I pull...

I hypothesized about a potential ability of an engine to idle very low, enough to run the alternator with enough power to run the electrics needed by the engine plus 15 or 20A for accessories. The justification was for trucks (lorries) idling at rest stops, imagine if they could reduce their...

This forum has been so far, pretty helpful with the last couple of questions I had and I want to say keep up the good work! Anyways back when I was in college with automotive classes I heard a comment from one of my instructors at the time. He said that some older cars (might have been...

One last place I worked at had a 70's chevy 1-ton pickup with a three speed manual transmission. It also had the L gear (low). Someone I met once said his dad's pickup on the farm also had the Low gear (lower than 1st) because it was cheaper than 4WD -- poor mans four wheel drive. (He also said...

Hi there, Been wanting to ask these questions, particularly the first two, for quite some time (like nearly 10 years): 1.) I used to work as a lube tech. Diesel passenger pickup trucks had to be filled up to about 14qts of engine oil. We would start the engine up to conduct a basic pressure...