Recent content by Z71

Truth in Advertising: BP v. Royal Purple By George Gill RP was recently purchased by a big pertroleum oil company, Calumet.

You are not going to increase mpg. The computer uses the Mass Air Flow (MAF) to monitor incoming air and adjust the fuel to compensate. The air fuel ratio is fixed at 14.7 lbs air to 1 lb of fuel and cannot be altered by the air filter. Its urban legend that changing the air filtration...

I had a 2005 CTS luxury sport with all the options and special paint. I liked the car very much and bought another. Depending on how its equipped it might be worth that. Mine was loaded and mine sold for $21,995 on the dealers lot back in March 09 with 29,500 miles. They allowed me 15,900...

Here is what they recommend. SERVICE LIFE and other info can be found here I would say you can go many miles yet. Amsoils definition of normal and severe Product Recommendation and Drain Interval Chart

It is included and only available with the (PDX) Sport Package. Find the option label in the trunk, under mat on tire storage cover, look for PDX - Sport Pkg and then the Stablitrak is code JL4. If these are not present, its not there.

I would avoid 03, first year always have issues. Unless you find a gem. I have 05 and had a lot of problems in the 1st 13,000 miles. Lots of them electronic, bad battery, 02 sensors, CD player, Trans control module. But even with those problems I really like the car, ride and handles great...

Problem fixed.. I am lucky to have the 2nd 3.6 CTS to have this problem per Cadillac tech support. The problem was with the Transmission Control Module. Don't ask me how the trans can affect engine pinging but it certainly can. The service manager could not even explain it. I do notice a...

It should clear itself. Sometimes it will take 5 or more restarts but if should eventually turn off.

Has anyone had this problem? I notice my 2005 CTS (10.500 miles) is doing this but at random. Tried all the quick fix's such as different brands of fuel (all 89 or higher for they life of car), GM fuel system cleaner. Was at the dealer yesterday for 3 hrs and they found several codes in the...

I would never buy a car with a wood grain interior. I just don't like it..

No mods, 100% stock. I have been told there are 2 TSB's on this. One covers normal gear chain noise and they other is for a modfication of the harmonic balancer on front of engine. Whine increases with RPM and thats what mine appears to be. Let the dealer tech sort it out...

I have been told that my engine is making a whining/whiring noise. People on the street have told me this and I have noticed heads often turn and look in my direction, giving be to wonder about this. Is this a common thing with the 3.6L? I drove thru a city underpass with windows down and it...

They shippers have facilities at all plants. Car going out west would have been put on a train and sent to a GM railhead that services your area, usually a GM assembly plant in your region. For instance, where I am in upper Michigan all vehicles come thru the Janesville, WI. railhead at the GM...

If you are considering putting one on your car be advised they make an objectional noise at WOT and certain RPM range. I have been told this from other CTS owners who have installed them in the past. If you like a quite sounding car, you won't like this one bit. But if noise like loud...