20 Most Recent 2006 Buick Rainier Questions & Answers

2004 Buick Rainier code p0446: I'm not sure what part to buy or where to find it. Can't find this answer anywhere online. Please help. This is code p0446 and non other.

Your Buick may have a separate amplifier with an open fuse.

Check to make sure te leveling switches by each wheel are working properly. There is a small link from each control arm that connects to the switch. These may be out of adjustment or broken. Also check all your air hose connections, it is most likely a bad O-ring or cracked fitting.

Look for the little plastic star drive adjusters to adjust up and down. I use a very small SAE deep well socket to adjust mine 7/32" if I recall correctly. Look near the rear of the headlight assembly. That's where Trailblazers are (Same platform as Rainier), but I know the heads lights differ just a tad.

Broken shift cable

Easy fix, it's your transmission linkeage bushings. They do break because they're plastic. Dorman makes them.

Happens on rough road or bumps? Grab a hold of your sway bar links fronts and rears, should be tight, no play. These things sound like metal to metal tapping, very common. Get a replacement link that has a greaseable fitting. Easy easy DIY.

That could be a tough one to diagnose even with the proper diagnostic tools . Your best would be to take your vehicle to a qualified repair shop to have it checked ! You don't want listen to people on here saying it's this or that and just replacing parts that don't fix it . With all the electronics on your vehicle this problem could be a lot of thing's . And with out testing and knowing for sure I wouldn't even say it's one thing or another .

Most manufacturers won't provide a free service manual, just the owners manual. If you just need service details on one section of the vehicle, sometimes a dealer will copy a couple of pertinent pages from their manual just to help you out. For example, I once had a particular electrical problem and asked the dealer service department for a print-out on one or two pages of the electrical system and they had no problem doing that. Good luck.

Nothing to reset. If the compressor won't come on it's probably gone. If you ever drive your car in high water you have submerged it. They aren't cheap. Around 600.00 for parts. Labor is extra.

If this is an oem system, they are not high quality. Regardless of what you paid for it, they are no match for aftermarket. To troubleshoot this the easy way, get a meter for measuring ohms and check the coils on each speaker, if you could get a scope to see the output on the amp that would help.

Neil. Tailgate lock actuator may be wearing out. Tail gate lock actuator replacement links below. Check the attached links,instruction and guides, Good luck "I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info." LIFTGATE HARDWARE PART 2 LOCK DETAIL for Buick Rainier Door Lock Actuator 1ADLA00004

no their is a small motor that moves a gear ,,,well on most models i have worked on (europeon ) so i would imagine this is the same in some way so i would presume you have to change the whole unit ,how much for a new unit ?no idea but for a renault its about 60 euros ,try a scrap yard they may have a frontal accident damaged car

What kind of problem ? Is the light on ? If yes have it checked for DTC'S - diagnostic trouble codes , that's the first thing you should have done anyway .

It is part of the airmass sensor on the end of the air intake pipe attached to the airbox

Almost all relays are under the hood usually right side. There should be a chart in the cap saying what is what.