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Buick Rainier, Chevy TrailBlazer, GMC Envoy

18177 messages, Last post on Sep 22, 2008 at 10:01 AM
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There's been several comments concerning wind noise. Found this info on the Dec Techlink. Haven't had a change to evaluate how/if it helps on earlier model years: "Some customers may comment about wind noise generated by the presence of roof rack cross rails on 2005 Trailblazer/Trailblazer EXT, GMC Envoy/Envoy XL/Envoy XUV, and Buick Rainier. The disturbance becomes more noticeable if the cross rails are placed in positions over the driver and passenger seating areas. The optimal locations of the cross rails to minimize wind disturbance are: - front cross rail in line with the rear edge of the rear door - rear cross rail 2 inches (5 cm) forward of the rear edge of the side rail."
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Replying to: joeyeoj (Dec 15, 2004 5:54 pm) Thanks again joeyeoj. |
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Replying to: raleigh (Dec 15, 2004 9:57 pm) I've been told I have a somewhat unorthodox driving style. Must be the ten plus years racing sports cars! Anyway, my 2WD Envoy is set up for optimum handling on pavement. Eibachs, Hotchkis kit, Bilstein upgrades and the Comp T/A HR4s. I never go off road and we seldom get bad winters so they are perfect for me. Tirerack.com said the Comp T/A HR4s have been discontinued so that explains the low cost. Since I'm keeping the Envoy until after my 10 year old son takes it to college (after his 13 year old sister takes it to college), I'm seriously considering getting yet another set and moth balling them!
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Replying to: n7don (Dec 16, 2004 4:26 pm) |
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Here's an excerpt from the Owner's Manual regarding the radio "AF" feature: AM FM (Alternate Frequency): Alternate frequency allows the radio to switch to a stronger station with the same program type. Press and hold the AM FM for two seconds to turn alternate frequency on. AF ON will appear on the display. The radio may switch to stronger stations. Press and hold AM FM for two seconds to turn alternate frequency off. AF OFF will appear on the display. The radio will not switch to other stations. When you turn the ignition off and then on again, the alternate frequency feature will automatically be turned on. |
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And remove the side rails after you take off the cross bars. I put the same black screws in with some silicon and painted pewter with dealer touch up paint. I have never used the top racks and instead use the hitch mount for the very few occasions i have too much to fit inside.
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Replying to: previousamigo (Dec 17, 2004 8:31 am) |
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When I still had mine on, I tried the cross rails all the way forward, back, different points in-between, and positioned exactly the way GM says to put them in the bulletin, and I never noticed any significant reduction or difference in the wind noise. Majority of the wind noise on mine comes from air turbulance around the A-pillars and mirrors. Even with the roof rack completely off there's really little or no difference that I can tell. Taking of the roof rack DID make it a whole lot easier to wash and dry off the roof without water running out under the side rails down the windows etc., messing up my wash job. Used to use compressed air to blow out all the residual water under the side rails. |
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| Would like to put 265-75/17 inch tires on my 04 envoy,how much of an effect would that have on the speedometer and would it effect the handling,I installed a Hotchkis rear sway bar? | |
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Replying to: bobfish (Dec 19, 2004 1:39 pm)
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