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04-07-2013, 11:09 PM
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#1 |
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Registered User
Join Date: Feb 2013
Location: cedar park texas
Posts: 31
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First time drive
Well I drove my truck for the first time today. After 2 months of this and that tinkering I drove it around the block twice. I noticed the tranny wouldn't shift gears. It felt like it stayed in first the entire drive. Any ideas what it could be? It's a turbo 400. Thanks!
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04-07-2013, 11:50 PM
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#2 |
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Registered User
Join Date: Aug 2010
Location: Edwards, CA
Posts: 7,507
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Re: First time drive
Well from what I read you have a 68 C10, stuck a used motor in front of an unknown trans. Did you ever get the fluid and filter changed? What did the fluid look like? Is the fluid level correct hot? How fast were you driving the truck (no throttle 1-2 upshift is like 5mph and WOT is about 25-30mph)? Is the vacuum modulator hooked up? Did you download the service manuals?
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Thanks, Tim * VIN/Model Decoders * Power Team Charts (engine/transmission/gear ratio) * Post Your Pickup SPID ** Blazer SPID ** Suburban/Panel SPID * RTFM ... Read The Factory Manuals... download 'em here Highlanders ** Do you have a 1972 Plaid Pickup? ** Plaid Blazer ** Plaid Suburban |
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04-07-2013, 11:52 PM
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#3 |
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Registered User
Join Date: Aug 2008
Location: KS
Posts: 268
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Re: First time drive
You can also try and shift it manually and see if it shifts....
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1970 SWB "old flame" 1967 SWB c10 sold 1972 Elcamino 496 2012 Denali HD dmax |
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04-08-2013, 08:40 AM
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#4 |
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2WD Jimmy
 
Join Date: Mar 2005
Location: Davis County, Utah
Posts: 2,565
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Re: First time drive
Check your vacume lines from the back of the manifold to the modulator, you could have some cracks/leaks.
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04-08-2013, 09:13 PM
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#5 | |
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Registered User
Join Date: Jan 2010
Location: Liberty In
Posts: 46
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Re: First time drive
Quote:
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04-08-2013, 10:42 PM
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#6 |
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Registered User
Join Date: Feb 2012
Location: Mission Viejo, CA
Posts: 1,858
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Re: First time drive
i dont see how you got around the block 2 times in 1rst?? mine shifts out at 5mph and sounds like its going to blow if i hold it in first.
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04-09-2013, 12:22 AM
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#7 |
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Registered User
Join Date: Dec 2012
Location: Altoona Iowa
Posts: 481
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Re: First time drive
Agreed...if you hadnt rechecked your vacuum lines, try starting there first. You really should put the trans and power brake booster on dedicated vacuum ports. everything else can share.
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