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R
Dear DR. Joel;The last time my Vette was out of the garage was in July.My son borrowed it for his wedding,when the wedding was over I brought the car home.It was about a 20 mile drive for me to bring it home,no problems whatsoever.I was going to take her over to my Dad's house last night to put her in for winter storage,a-hah the battery was dead,hooked up the 50 amp. charger-car starter,she fired up in about 10 minutes.Backed her out of the driveway and headed down my road,1st gear fine ,2nd gear fine,she shifted into drive and started slipping.W.T.H.
.parked her back in the garage.got up this morning went out started her up,let her run about ten minutes,checked the fluid,down 1 pint,put in 1 pint,took her for a short ride,still the same deal ,1st solid,2nd solid,drive slipping..please tell me it's somethin simple like a modulator valve 
.parked her back in the garage.got up this morning went out started her up,let her run about ten minutes,checked the fluid,down 1 pint,put in 1 pint,took her for a short ride,still the same deal ,1st solid,2nd solid,drive slipping..please tell me it's somethin simple like a modulator valve C3VR Lifetime Member #93
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 22720
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/
Am-Fm/map light National/Regional/Chapter NCRS "Top Flight"
#2-1985 Bright Red/Carmine Cp.L-98/auto
Member: NCRS, NCRS Texas, Corvette Legends of Texas
Sorry man....cain't do that...
A failed modulator would effect all of the shifts/gear ranges, not just high gear, but...it wouldn't hurt to at least have a look-see. Pull the vac. line off of the modulator and see if any fluid runs out of it. If it do, then the mod is bad, and replacing it might help.
High gear take the most volume of fluid to apply, so being low on fluid could cause this, but a pint low shouldn't create a slipping issue...two quarts low would, but not a pint. However, just for grins, try adding a full quart, and see if it helps. Your filter could be stopped up, and not picking up fluid as it should...just and idear. If the mod is not bad, and the extra fluid don't help....I do accept cash, check, or money orders....
A failed modulator would effect all of the shifts/gear ranges, not just high gear, but...it wouldn't hurt to at least have a look-see. Pull the vac. line off of the modulator and see if any fluid runs out of it. If it do, then the mod is bad, and replacing it might help.
High gear take the most volume of fluid to apply, so being low on fluid could cause this, but a pint low shouldn't create a slipping issue...two quarts low would, but not a pint. However, just for grins, try adding a full quart, and see if it helps. Your filter could be stopped up, and not picking up fluid as it should...just and idear. If the mod is not bad, and the extra fluid don't help....I do accept cash, check, or money orders....
Joel Adams
C3VR Lifetime Member #56 
My Link 
(click for Texas-sized view!) NCRS
"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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Ron, man after the wrist deal this just sucks!
ebo 2008-10-07 16:18:00
If it ends up being the Tranny and you have to pull it and need help let me know your about 2 hours from me. I have my last wedding for the season to shoot this weekend and after that I can come down any weekend.
Just let me know bud.
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 22720
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/
Am-Fm/map light National/Regional/Chapter NCRS "Top Flight"
#2-1985 Bright Red/Carmine Cp.L-98/auto
Member: NCRS, NCRS Texas, Corvette Legends of Texas
[QUOTE=ebo]I have my last wedding for the season to shoot this weekend[/QUOTE]
You go to weddings and SHOOT people?!?!?!?
You ARE EBO!!!
You go to weddings and SHOOT people?!?!?!?
You ARE EBO!!!
Joel Adams
C3VR Lifetime Member #56
My Link
(click for Texas-sized view!) NCRS
"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"
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Sorry to hear that Ron, thats exactly what my 78 Pacer was doing, just before the total rebuild of the transmission 
It would start, run fine, head down the road, 1st no prob, 2nd no prob, drive, nothing there. I hope yours is a much simplier problem then I had.
It would start, run fine, head down the road, 1st no prob, 2nd no prob, drive, nothing there. I hope yours is a much simplier problem then I had.MARK
LIFETIME MEMBER #117 
Click here to see my new friend P-Racer
"Keep up the Pace"
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You go to weddings and SHOOT people?!?!?!? You ARE EBO!!!
Yep and even better, I have over 100 brides.Be the first to like this post
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R
Well I got her up on jackstands today ,got out the creeper an slid under there come to find out that the vacuum line wasn't fit inside the modulater valve the way it's supposed to be,and the pointy end of the vacuum line had wore a hole in the rubber hose that connects the two of them.so I decided what the hey,I'll take the modulater valve off,and through on a new one,yah right, cant get to the bolt that holds on the retainer clip
,I bet the engineer that designed that is still laughin his @$$ off,I'll figure out somethin
,I bet the engineer that designed that is still laughin his @$$ off,I'll figure out somethinC3VR Lifetime Member #93
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[QUOTE=ebo]
You go to weddings and SHOOT people?!?!?!?
You ARE EBO!!!
Yep and even better, I have over 100 brides.[/QUOTE] Oh Oh, what does the ebo woman say about 100 brides?..........you're not only ebo...you have to be the biggest stud alive...........some guys have all the luck.
You go to weddings and SHOOT people?!?!?!? You ARE EBO!!!
Yep and even better, I have over 100 brides.[/QUOTE] Oh Oh, what does the ebo woman say about 100 brides?..........you're not only ebo...you have to be the biggest stud alive...........some guys have all the luck. 
corvette440hp
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Don't break it.
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R
The problem isn't braking it ,it's gettin too it,the exhaust is in the way,cant get a turn on it with a box end wrench,cant get at it with a socket
C3VR Lifetime Member #93
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in Forum: C3 Engines, Driveline and Handling
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