By on September 22, 2017

2004 GMC Envoy Radiator Cap Leak, Image: OP

Dave writes:

Hello Sajeev,

I have a 2004 GMC Envoy, 4.2-liter six-cylinder, with about 123k miles that seems to be leaking coolant from somewhere around the radiator cap. Every time I come to a stop with the windows down or pull into the garage I can smell antifreeze. The radiator appears full and the reservoir seems to be maintaining a fairly consistent level of the pink stuff. It never leaks enough that I see wet spots except now and then around the cap, and even then it’s only a few drops at most. I’ve taken it to the mechanic; they double checked all the hoses and connections and even replaced the cap, but it didn’t help.

I replaced the cap a second time thinking I got a bad one, but the smell remains. By happenstance the cap I bought happened to be the exact same brand the mechanic used. I’ve attached a picture of the engine bay showing the areas where I can see dried coolant. The perplexing part to me is that, judging by the splatter pattern near the oil fill and the air filter box, some of the coolant seems to be making it to the fan. Still, I never see any wet spots leading in that direction. Do you have any suggestions?

As a side question, I have been getting an intermittent CEL with an associated P0526 code (fan speed sensor). It will come on for a trip or two and then go away on its own. Any chance the supposed coolant hitting the fan could be causing the CEL?

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By on July 14, 2017

2015-Buick-Avenir-Concept-10

Today marks the third and final entry in our Domestics Abroad miniseries. This is where we take a look at the models proffered around the globe that wear a domestic company’s badge on the grille, but are not offered in the brands’ domestic markets. This is ground zero for “you can’t get that here.” All nameplates you’ll see in this series are current production models.

We kicked off this series with Ford and its 13 qualifying models. Second was Chevrolet, which had 9 models accounted for, and one which I forgot (you can see it below the jump). The Unmentionables will cover the remaining international offerings from Buick, Dodge, and Ram.

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By on June 11, 2012

Even though the gods of the Ren Cen saw fit to deliver us the Opel Astra, the capricious and jealous Dan Akerson still managed to deny his Chosen Ones the elusive diesel/manual body-on-frame SUV, leaving the faithful to wallow in a sea of front-drive, car-based gasoline powered crossovers that nobody ever buys. Ever.

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By on January 11, 2012

A double shot of news on the General Motors SUV front. Automotive News is reporting that Cadillac considering a small SUV to compete with the BMW X3. A separate article suggests that the General will give auto writers another excuse to bitch about the lack of body-on-frame SUVs, with its decision not to import the Thai-engineered TrailBlazer.

(Read More…)

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