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$ummer$now

Last reply Jul 1, 2010 · posted in GMC Jimmy Forum

My 99 GMC Jimmy ALl of a sudden started making a Airplane noise only when i

hit the gas any ideas ? Its only when i hit the Gas and It seems to be coming from the Passanger Side ! My Brother inlaw seems to think its the Transmission.. I checked the fluid and its clear looking ! I need HELP

2 Replies · 2218 views

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dick car guy

Jun 30, 2010

start up the car with your foot on the brake go from park to reverse to nuetral to drive then back to nuetral to reverse to park, do this several times and listen carefully if the noise goes away in park and nuetral, you probably have a torque converter bearing going bad. It sounds exactly like you describe, a water pump bearing can sound similar to this as well so as long as the water pump is not leaking and the temperature is not fluctuating its probably ok. A torque converter going out is common on gmc, in order to fix it the transmission must be removed, it is best to rebuild the transmission if it has a lot of miles on it. The sound will get louder and then get softer sometimes, but if you do a lot of freeway driving the converter is going to go out sooner or later.

Molson02536

Jul 1, 2010

$ummer$now said:
hit the gas any ideas ? Its only when i hit the Gas and It seems to be coming from the Passanger Side ! My Brother inlaw seems to think its the Transmission.. I checked the fluid and its clear looking ! I need HELP

Passenger side would lead me to inspect the Alternator for a worn bearing and the serpentine belt tensioner pulley which is common to fail and misalign. Good luck and start with that and keep us posted.

Basshunter

Last reply Sunday at 5:29 PM · posted in GMC Canyon Forum

2017 canyon all terrain diesel

Hello. 5 years old without any problems. Now the radio changes channel when ever it wants to. Getting very annoying. Any ideas what to do with it ?

1 Replies · 468 views

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TERRY GARBIG

Sunday at 5:29 PM

I GOT THE SAME PROBLEM.HAD THE RADIO REPLACED UNDER WARRENTY BUT NOW ITS DOING IT AGAIN( OUT OF WARRENTY

Campo48

Friday at 9:06 AM · posted in GMC Canyon Forum

Brake control

I have a 2015 Canyon. Has anyone installed a trailer brake control. I have a connection cable and need to know where it plugs in under the dash

0 Replies · 8 views

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FamvanWork

Jun 24, 2026 · posted in GMC Savana Forum

05 savana suspension upgrade

Looking to upgrade the suspension on my 05 gmc savana 3500 extended. Any suggestions

0 Replies · 7 views

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Alec

Jun 24, 2026 · posted in GMC Suburban Forum

1999 k1500 lighting/wiring issue

Hello, hive! I have a 1999 GMC K1500 Suburban. When I step on the brake pedal, no keys in switch, the dash and marker lights come on. When headlights are off, driving normally, both turn signals work normally, but the dash and marker lights flash with right turn signal. When headlights are on, left signaL works normally, but right signal buzzes a little at the relay, but does not blink, even though the rear lamp does light on the right side. I am at a loss. So is my mechanic. Help??

0 Replies · 11 views

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hipkts2019

Last reply Jun 23, 2026 · posted in GMC Acadia Forum

2021 denali

Adaptive ride control has stopped working. Is there a simple fix?

1 Replies · 20 views

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hipkts2019

Jun 23, 2026

My 2021 denali with adaptive ride control does not seem to be "adapting". What is the fix?

Squiggy505

Last reply Jun 18, 2026 · posted in GMC Vandura Forum

Location of ECM on a 1991 Vandura 2500

I have a 1991 2500 Vandura conversion van(Glaval) and I'm trying to find the Engine Control Module(ECM). Anyone have any ideas?

2 Replies · 4163 views

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JamesFigura

Feb 3, 2026

Check under the drivers seat

HappyVandura

Jun 18, 2026

Squiggy505 said:
I have a 1991 2500 Vandura conversion van(Glaval) and I'm trying to find the Engine Control Module(ECM). Anyone have any ideas?

06/18/2026
How did all that work out?
I'm wondering about your preferred PSI for tires.
My mechanic recommended 32 psi for my heavily-loaded 1990 Vandura.
That's what I've used for years (once it was around 36-38, and that felt like I was on rollerblades and could not sense the road . . . ), yet I see videos saying that 32 is way too low and damages tires . . .

(I got 11-12 years out of my tires at 32 psi.)

Thank you for any helpful feedback!

Mark Staffanou

Jun 18, 2026 · posted in GMC Sierra Forum

seat bottom to seat frame locating clips

I'm replacing a lower seat foam and leather. The lower foam is attached to a smaller metal frame and is then bolted to the main seat frame. At the rear of the foam/smaller frame there are 2 locating pins that must fit into holes at the rear of the lower seat before the 2 front screws line up with the holes to put screws in. I' not sure what to call them but I need at least 1, 2 would be better, help please.

0 Replies · 39 views

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Luisf

Jun 17, 2026 · posted in GMC Sierra Forum

a 2022 gmc sierra 3.0 diesel press the start/shut off button and the motor stays on

a 2022 GMC Sierra 3.0 diesel, press the start/shut off button, and the motor stays on

0 Replies · 32 views

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Mdoherty770

Jun 12, 2026 · posted in GMC Sierra Forum

AFM/DFM Disabler

"I've come across quite a few articles about lifter damage lately. I assume much of it is marketing hype, but I suspect there’s some truth to it in certain cases. Any thoughts or real-world experiences?"