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11-26-2024, 02:36 PM | #1 |
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Join Date: Dec 2018
Location: yamhill OR
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Sm465 hard to shift into low gear is this normal?
Hello all I have two squarebody trucks with the sm465 transmission
Both have trouble shifting into low gear. Sometimes I have to shift in and out of other gears or in most cases shift to neutral and pop the clutch quickly and at the right timing slide it into low. This is with the engine running and truck sitting stationary. Is this normal for a sm465? Or do both my transmissions have a problem?
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1965 chevy c20 292 4speed http://67-72chevytrucks.com/vboard/s...d.php?t=777601 1976 chevy c10 250 4speed http://www.67-72chevytrucks.com/vboa...d.php?t=787037 1978 chevy c20 350 4speed 1998 chevy c1500 4.3L 5speed 2002 Chevy s10 4.3L auto 4x4 Plus a Mercury & some Fords... To many projects! |
11-26-2024, 03:25 PM | #2 |
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Location: Bowser
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Re: Sm465 hard to shift into low gear is this normal?
Totally normal.
Low gear isn’t synchronized. |
11-26-2024, 05:02 PM | #3 |
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Location: yamhill OR
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Re: Sm465 hard to shift into low gear is this normal?
Ok... with the truck sitting still/parked?
I Understand while the vehicle is moving but never had this situation with my 65 Chevy (sm420?) at least not regularly maybe every once in a while but not every time I come to a stop. And Ive messed with a 3 on the tree before and never had this either and it's 1st gear wasn't synchronized.
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1965 chevy c20 292 4speed http://67-72chevytrucks.com/vboard/s...d.php?t=777601 1976 chevy c10 250 4speed http://www.67-72chevytrucks.com/vboa...d.php?t=787037 1978 chevy c20 350 4speed 1998 chevy c1500 4.3L 5speed 2002 Chevy s10 4.3L auto 4x4 Plus a Mercury & some Fords... To many projects! |
11-27-2024, 09:41 AM | #4 |
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Re: Sm465 hard to shift into low gear is this normal?
When you say "low" - do you mean the creeper gear, or normal 1st gear?
Because you really don't need to go into creeper gear at every stop. It's more for pulling stumps. Normal 1st gear is more appropriate for daily driving. K
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Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ |
11-27-2024, 02:21 PM | #5 | |
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Join Date: Dec 2018
Location: yamhill OR
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Re: Sm465 hard to shift into low gear is this normal?
Quote:
And yes I'm aware that you normally drive these as a three speed around town. Which I normally do. Though the other day I was towing a 5th wheel camper trailer with my 78 c20 and it was much happier taking of in low. My original post was not really a complaint but rather just a question if this sort of thing was normal on these transmissions.
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1965 chevy c20 292 4speed http://67-72chevytrucks.com/vboard/s...d.php?t=777601 1976 chevy c10 250 4speed http://www.67-72chevytrucks.com/vboa...d.php?t=787037 1978 chevy c20 350 4speed 1998 chevy c1500 4.3L 5speed 2002 Chevy s10 4.3L auto 4x4 Plus a Mercury & some Fords... To many projects! |
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11-27-2024, 02:31 PM | #6 |
Senior Member
Join Date: Dec 2018
Location: yamhill OR
Posts: 910
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Re: Sm465 hard to shift into low gear is this normal?
I had just initially thought that something was wrong with my transmission on my 76 C10 then I got a 78 c20 and it did the same thing so I started wondering if it was just normal or not.
If this is just the nature of the beasts then that's fine I can live with it. I found it odd because Again I have messed with the older 4 speed in my 65 and even the 4 speed in my brother's 75 Ford highboy and there not at all this bad to shift into low gear.
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1965 chevy c20 292 4speed http://67-72chevytrucks.com/vboard/s...d.php?t=777601 1976 chevy c10 250 4speed http://www.67-72chevytrucks.com/vboa...d.php?t=787037 1978 chevy c20 350 4speed 1998 chevy c1500 4.3L 5speed 2002 Chevy s10 4.3L auto 4x4 Plus a Mercury & some Fords... To many projects! |
11-28-2024, 02:17 PM | #7 |
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Join Date: Aug 2020
Location: Salmon Arm BC
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Re: Sm465 hard to shift into low gear is this normal?
Mine does the same. Tough to get into low gear especially if truck is not running. I usually put it in low when I park and it is especially tricky if the truck is shutoff.
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1970 C10 l/b 292/4spd Build: http://67-72chevytrucks.com/vboard/s...d.php?t=811062 |
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