Follow the bouncing gauges - The 1947 - Present Chevrolet & GMC Truck Message Board Network

rocktriviagod · 03-24-2004, 06:32 PM

Hi, So here's the deal...... I have 78 Chev Stepside. I love "Elvis'.. But there is a problem that one of you knowledgable people could help me with. The needle on my gas gauge bounces back and fourth when I'm driving down the road. Not a major deal I guess, it still tells me how much gas is in the tank. (single gas tank).... Whats the fix.???
Next bouncing gauge. The speedometer. When I get up around 75 or 80, the needle bounces around a lot. Any simple fix for this one??
Also, I left a post earlier about an 83 Blazer for sale. The going price is down to $300. read the post and email me for info. Thanks !!

Russell · 03-24-2004, 08:07 PM

Your speedometer cable needs to be lubed up, white lithium would work just fine for that

As far as the swaying gas tank needle, I think all our trucks do that

When I accelerate, decelerate or turn etc, my gas guage sways around too

Prerunner1982 · 03-24-2004, 08:08 PM

the gas gauge is just like that... its part of owning a 73-87... as far as the speedo, check the connections both at the speedo and at the trans.. you might disconnect the whole cable and check for any kinks and frays and such.

82 Silverado 4X · 03-24-2004, 08:26 PM

Best fix to that swaying gas needle is to keep the tank close to full.
Like Russel said, white lithium on the speedo cable should smooth it out.

jimfulco · 03-25-2004, 03:28 AM

That gas gauge will stop bouncing soon, & will read way past full all the time. Well, most of the time. It also will still read somewhere in the "you've got plenty" range when it runs out of gas. At least mine did before it went to permanent 3:00. I learned to fill up every 200 miles, since it will go 300 on a tankful.

Blue Beard · 03-25-2004, 09:34 AM

Gas gauge almost sounds like a ground problem...

03-24-2004, 06:32 PM	#1
rocktriviagod Registered User Join Date: Jan 2004 Location: Holmen, WI Posts: 50	Follow the bouncing gauges Hi, So here's the deal...... I have 78 Chev Stepside. I love "Elvis'.. But there is a problem that one of you knowledgable people could help me with. The needle on my gas gauge bounces back and fourth when I'm driving down the road. Not a major deal I guess, it still tells me how much gas is in the tank. (single gas tank).... Whats the fix.??? Next bouncing gauge. The speedometer. When I get up around 75 or 80, the needle bounces around a lot. Any simple fix for this one?? Also, I left a post earlier about an 83 Blazer for sale. The going price is down to $300. read the post and email me for info. Thanks !!

03-24-2004, 08:07 PM	#2
Russell Professional Grade Join Date: May 2003 Location: Fort McMurray, Alberta Posts: 7,915	Your speedometer cable needs to be lubed up, white lithium would work just fine for that As far as the swaying gas tank needle, I think all our trucks do that When I accelerate, decelerate or turn etc, my gas guage sways around too __________________ 1995 Chevrolet 2 Door Tahoe (6.6L LBZ Duramax / ZF6 / NP241 with 1 ton solid axle swap)

03-24-2004, 08:08 PM	#3
Prerunner1982 Registered User Join Date: Oct 2002 Location: Edmond, OK Posts: 5,906	the gas gauge is just like that... its part of owning a 73-87... as far as the speedo, check the connections both at the speedo and at the trans.. you might disconnect the whole cable and check for any kinks and frays and such. __________________ Jon 1982 Chevy Silverado 350/th350.... RETIRED 1993 Jeep XJ 2 door(Cherokee) 4wd 4.0ltr/AX-15 (5spd)/NP231 .... Oklahoma Roll Call

03-24-2004, 08:26 PM	#4
82 Silverado 4X Genuine Chevrolet Join Date: Feb 2003 Location: South West Pennsylvania. Posts: 582	Best fix to that swaying gas needle is to keep the tank close to full. Like Russel said, white lithium on the speedo cable should smooth it out. __________________ George 82 Silverado LWB 4x4 350 SM465 NP208 77 Chevrolet Blazer Chalet 400 TH350 NP203

03-25-2004, 09:34 AM	#6
Blue Beard Registered User Join Date: Jan 2003 Location: Washington State Posts: 8,834	Gas gauge almost sounds like a ground problem... __________________ 1970 Chev CST 2003 Harley Fatboy 1975 Chevrolet Step Van 1956 Chev Bel Air 1977 Blazer 2WD For Sale $3000.00 1978 Blazer 2WD For Sale $7000.00 1978 Silverado 2005 Monte Carlo

03-25-2004, 03:28 AM	#5
jimfulco Registered User Join Date: May 2003 Location: Shreveport LA Posts: 3,170	That gas gauge will stop bouncing soon, & will read way past full all the time. Well, most of the time. It also will still read somewhere in the "you've got plenty" range when it runs out of gas. At least mine did before it went to permanent 3:00. I learned to fill up every 200 miles, since it will go 300 on a tankful.



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