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Rear defrost is not working. Apparently this is disconnected. But the tab that it's supposed to connect to isn't obviously visible. Before tearing into things I just wanted to check to see if anyone knows where the tab would be. Thanks!

I have a friend that was told that his compressor and condenser need to be replaced ($3,000!). We checked with a simple gauge and it was in the 'red'.... clutch was not engaging. When a repair is that expensive, we naturally want to doubt the diagnosis. That very well could be the case. But what...

I was changing the oil in my truck yesterday and noticed something inside the oil pan that I could see through where the drain plug goes. I got a tool to poke around in there and I think I knocked it out of the way. I tried to shine a light in there and I couldn't see it anymore. The only thing...

A friend has a coolant leak on his Blazer. Not the best picture ever, but where it's circled... there is coolant bubbling right there (when it's running). It appears to be just below the valve cover coming from the intake manifold? He's really hoping it's not a head gasket. Could it be possible...

My little sister's car that she got for a good deal a few years ago... It needs some attention in other areas, but it idles rough, but responds well enough when accelerating. Its behavior reminds me of when the fuel pump went out on my Cavalier a long time ago. Is there an easy enough way to...

My brother-in-law's car (2013 Chevy Impala with the 3.6 V6). Started this weekend running rough. My brother-in-law tried swapping coils to see if the misfire traveled. Nope. So he pulled cylinder 1 plug and it looked like this. He replaced the plug and now can't even get it to fire up. Will not...

2011 Traverse with 114k miles. I've had multiple noises coming from the front end of my Traverse for a bit. I'll deal with them one at a time as I have time. I replaced the struts recently because the previous owner had only replaced one of them at some point and the other (factory one) had...

My brother-in-law has a 2004 Yukon with the 5.3 (I'm assuming it's the LM7). Low oil pressure at times and has heard some ticking from the valve cover area (lifters?). He has basically parked it because he doesn't want to damage it (an LQ4 in the family sadly got damaged from an oil pump going...

My brother-in-law helped me install a trailer brake controller on my 2001 Silverado 1500. This is his specialty and he has done it successfully countless times. Everything appears to be connected well because everything works for the most part. When I squeeze the manual brake application the...

Had the torsion bar keys (and mounts) replaced last year on advice from a mechanic. He cranked them up which leveled the truck and then he aligned it. Ride has been good and I don't mind the extra approach when I get off the pavement. I'm replacing tires soon and want to make sure it is aligned...

Not a huge leak, but a drip forms on the bottom of the front diff after any extended drive. Appears to be coming from the passenger side seal. I'm not ready to tackle it any sooner than I have to at this point. If I keep it topped up then is there any major risk? 4x4 is engaged manually if it...

I replaced the outer tie-rods and the upper control arms last year on advice from a mechanic. Then got it aligned, but still experienced some tire wear that I concluded to be associated with the inner tie-rods. So I replaced the inner tie-rods. Then got it aligned. Mechanic got everything in the...

Going to replace the Transfer Case fluid soon. Originally spec'd Dex III. Obviously that is obsolete and replaced by Dex VI. But for the Transfer Case will Dex VI still work well. I was thinking of going with Valvoline Max Life ATF. It's an on-the-floor shifter. Not autotrac. Thanks!

I get coolant leaks from below where the water pump is after short trips (~1 mile one way). When it's driven on extended trips it's dry as a bone. No leaking whatsoever even after it's sat for a few days. It went two months without leaking and then leaked again when a couple short trips happened...

I'm aware of some dealerships that stock 5w-20 oil and use it in all gas engines that they service. If it's a twin turbo V6 that's in a pickup or an older engine that specs a 5/10w-30 .... It gets 5w-20. I even had an otherwise respectable tech tell me that 5w-20 and 5w-30 conventional is the...

My brother has a 2009 Cobalt with the 2.2 and 4-speed auto (4T45E). Had issues for several weeks now. Transmission doesn't know how to shift suddenly (becomes undrivable essentially). He pulls over and shuts it down and sometimes would disconnect the battery and it would behave for another week...

I realize for my 2001 Silverado they changed fob/part numbers that are not interchangeable. I have tried to program both types of fobs and neither work. I can get my truck in program mode easy enough, but then no response from fob when I attempt to program. I checked for a fuse and there is a...

Sorry if this seems like a lazy question... I'm going to be installing some OE style fender flares on my truck, but need clips to secure them. Anyone know what type of clip these use? Thanks!

My Dad has a 2001 S10 with the 4.3 Vortec. It has a CEL with a P0300 code for a misfire. In hot weather it takes longer to crank before it fires up. Once it fires up, it idles rough. Once it gets running it seems to run fine in the higher RPMs and also feels responsive enough. On colder days it...

I am considering getting an app (Android) on my phone so I can scan for codes for check engine lights (for various cars in the family). Just thought it might be handy to have. Also it would of course be necessary to have a blue-tooth (or wifi in some cases?) connection to the OBD2 port...