C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
Sponsored by:
Sponsored by:

Headlights???

Thread Tools
 
Search this Thread
 
Old Aug 12, 2002 | 04:04 PM
  #1  
Corvettelvr73's Avatar
Corvettelvr73
Thread Starter
Racer
15 Year Member
 
Joined: Oct 2001
Posts: 412
Likes: 0
From: Monroe North Carolina
Default Headlights???

When I push the car hard like up past 80 MPH going on to 100MPH my drivers side headlight flips up then goes back down or when I downshift to pass somebody very aggresivly. What causes this? It just looks bad when cars see it flip up only on one side of the car.
Reply
Old Aug 12, 2002 | 04:06 PM
  #2  
flynhi's Avatar
flynhi
Le Mans Master
20 Year Member
 
Joined: Aug 2000
Posts: 6,273
Likes: 14
From: Austin TX
Default Re: Headlights??? (Corvettelvr73)

Sounds like fluctuating vacuum as you accelerate. Could be leaky reservoir or headlight actuator or vacuum line.
Reply
Old Aug 12, 2002 | 04:08 PM
  #3  
Sharky Guam's Avatar
Sharky Guam
Safety Car
 
Joined: Feb 2002
Posts: 4,286
Likes: 4
From: Guam
Default Re: Headlights??? (Corvettelvr73)

You have a vacuum leak. Whenever the vacuum changes, it affects your lights. Changes in engine rpm affect the vaccum. If you have a leak, your systems that rely on vacuum will also be affected.
Reply
Old Aug 12, 2002 | 05:07 PM
  #4  
lbell101's Avatar
lbell101
Melting Slicks
 
Joined: Nov 2001
Posts: 2,214
Likes: 0
From: Casa Grande AZ
Default Re: Headlights??? (Corvettelvr73)

Your engine certainly produces variations in vacuum. That's normal.
The vacuum distribution system is supposed to stop those wierdit things from happening through the use of a check valve and canister. I'd start by checking them out. If those are good, I would think any vacuum leak in the system would have to be pretty large - certainly large enough to hear with the engine off.
Reply

Get notified of new replies

To Headlights???





All times are GMT -4. The time now is 01:08 PM.

story-0
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

Slideshow: Should you buy a 2020-2026 Corvette or wait for 2027?

By Michael S. Palmer | 2026-04-22 10:08:58


VIEW MORE
story-1
2027 Corvette vs The World: Every Model vs Closest Competitor

Slideshow: 2027 Corvette lineup vs the world.

By Joe Kucinski | 2026-04-20 17:58:41


VIEW MORE
story-2
10 Most Common Corvette Problems of the Last 20 Years!

Slideshow: 10 major Corvette problems from the last 20 years.

By Joe Kucinski | 2026-04-14 16:37:05


VIEW MORE
story-3
5 MOST and 5 LEAST Popular Corvette Model Years in History!

Slideshow: 5 most and least popular Corvette model years.

By Joe Kucinski | 2026-04-08 13:25:01


VIEW MORE
story-4
2027 Corvette Buyer's Guide: Everything You Need to Know!

Slideshow: 2027 Corvette buyer's guide

By Joe Kucinski | 2026-04-17 16:41:08


VIEW MORE
story-5
10 Things C8 Corvette Owners Hate (But Won't Tell You)

Slideshow: 10 things C8 Corvette owners hate, but won't tell you.

By Joe Kucinski | 2026-04-01 18:36:07


VIEW MORE
story-6
10 Best Corvettes Coming to Barrett-Jackson Palm Beach 2026!

Slideshow: Should you add one of these incredible Corvettes to your garage?

By Brett Foote | 2026-04-01 18:14:05


VIEW MORE
story-7
Every Corvette Grand Sport Explained! (C2, C4, C6, C7, & C8)

Slideshow: Every Corvette Grand Sport explained

By Joe Kucinski | 2026-03-26 07:13:44


VIEW MORE
story-8
Grand Sport & Grand Sport X Launch Alongside All-New 535hp LS6 V8!

Slideshow: Breaking down the 2027 Grand Sport, Grand Sport X, Stingray, and LS6 V8.

By Michael S. Palmer | 2026-03-26 13:48:45


VIEW MORE
story-9
5 Reasons Bad Drivers Crash & 5 Ways to Avoid a Costly Mistake!

Slideshow: 5 reasons bad drivers crash sports cars & 5 ways to avoid a costly shame!

By Joe Kucinski | 2026-03-25 16:32:55


VIEW MORE