DIY Fix for the dreaded Falling HUD Display
#48
Supporting Vendor
Great Post!
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#49
Drifting
I just used this last night ,great instructions and it works .Not that hard and I had nothing to loose .It didn't work so I gave it a shot. I love this Forum ,there is a tremendous amount of information available at the click of a key . Thanks my Forum Brothers
#50
Instructor
hey out there.... my 99 c5 is giving me some troubles. i was looking for a vacuum leak after replacing the oil sending unit . so i removed the panel from right front wheel to find the line. i moved those wires some but not enough to unhook anything. but not the check engine is on and the car runs like there is a miss.any info will be help for .trying to get the ac fix before the summer heat gets here .please email at metalheadstunna@yahoo.com thanks
#51
Tech Contributor
Member Since: Dec 1999
Location: Anthony TX
Posts: 32,736
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CI 6,7,8,9,11 Vet
St. Jude Donor '08
hey out there.... my 99 c5 is giving me some troubles. i was looking for a vacuum leak after replacing the oil sending unit . so i removed the panel from right front wheel to find the line. i moved those wires some but not enough to unhook anything. but not the check engine is on and the car runs like there is a miss.any info will be help for .trying to get the ac fix before the summer heat gets here .please email at metalheadstunna@yahoo.com thanks
Second, Are you SURE that theres not any ACID damage on the wires in that area???? If you see RUSTY Frame and white deposits on the wires,, It very well could be acid damage.
Do you have any DTCs?
BC
#53
Drifting
Looks like I'll be doing this tomorrow or next weekend.
This is a pic of my HUD taken with the camera resting on top of the steering wheel with the wheel all the way in the up position:
I must've broken something when I took the dash off and put it back on in April of last year. Yep, my lazy butt is just getting to it now.
This is a pic of my HUD taken with the camera resting on top of the steering wheel with the wheel all the way in the up position:
I must've broken something when I took the dash off and put it back on in April of last year. Yep, my lazy butt is just getting to it now.
#54
Drifting
Did some more work. The tabs are not broke on the mirror so that didn't fix the issue. I tore it down some more after fussing with it for a little bit. The motor seems to work but the mirror still wouldn't display the HUD high enough. After tearing the HUD down, I noticed that the end piece plastic where the tab goes in was worn and loose. Just put some epoxy on there, I'll install in a few minutes and see if that solves the issue.
I moved the tab attached to the HUD motor and it moves freely but when I did that with the mirror attached, it didn't want to move. Hope this solves my issue.
I moved the tab attached to the HUD motor and it moves freely but when I did that with the mirror attached, it didn't want to move. Hope this solves my issue.
#55
Burning Brakes
Huge thank you for this! I finally broke down and did this after seeing this post. So glad I did.
Now to reinstall the dash pad and put everything back together...
Now to reinstall the dash pad and put everything back together...
#56
hud
Yours has probably been repaired at some point and the mirror isnt set back at the correct angle. took mine apart six times before I was able to get the correct angle. I'm 6-2 also now i have plenty of adjustment up and down.
#59
Melting Slicks
The HUD bezel and the defroster vent are incredibly fragile, especially if the car has spent a good chunk of its life parked in the Florida sun like mine did. It's probably a good idea to go ahead and order replacements ahead of time.
#60
Melting Slicks
Another thing to watch for...
As you take off the cover, note that there is a cable going from the base to the cover for the (I think) light sensor. When you put it back together, make sure the cable is routed around the optical path, otherwise it will show up as a shadow on the display at certain angles. And you probably won't notice it until everything is buttoned up and you're driving in daylight.
Don't ask me how I know that.
As you take off the cover, note that there is a cable going from the base to the cover for the (I think) light sensor. When you put it back together, make sure the cable is routed around the optical path, otherwise it will show up as a shadow on the display at certain angles. And you probably won't notice it until everything is buttoned up and you're driving in daylight.
Don't ask me how I know that.