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stalls in gear


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The transmission is fine but too high an idle while holding it back with the brakes will over heat it.

 

You need to strengthen the idle (about 750) to be able to keep it running in drive. Poor manifold vacuum will do this. Some things to check are

 

The valve lash. Tight valve lash will hold the valves open and lower manifold vacuum.

Do you have a Weber carb? These are notorious for the adapter plate coming loose or having a vacuum leak.

Has a vacuum line fallen off? Listen for hiss when idling.

 

With the engine fully warmed up, check or set valve lash, check timing set at 12 degrees* you need all three set before adjusting the idle mixture .

 

Turn the idle speed screw while in neutral, down to 650-750. Turn idle mixture screw in and out to find where the idle is smoothest and highest. Turn in until quality drops, turn out until quality drops, select a position roughly in the middle. Likely the idle speed has improved, so turn it down and begin again, in and out to find the best idle quality, lower the idle speed. Repeat until you cannot improve it any more.

 

This should give you a good strong manifold vacuum for the carb to work with and a proper idle air fuel mixture. See if it will hold idle in gear now.

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Very, very common problem. Don't bother with changing the fluid or auto-trans adjustments.

 

The two main causes are Incorrect idle-mixture adjustment or vacuum leaks.

 

Best to start with a tune-up as Mike suggests. Set valve lash, then points dwell, then timing. For B210 with A14 automatic, set distributor timing to 10 degrees. Mike's process is the same as at the Tune-up tech article, but check for vaccum leaks first, otherwise the idle-mixture adjustment is for naught. It's all outlined step-by-step with photos at that tune-up link.

 

 

There several things that can cause the engine to stall, so don't get discouraged if you don't clear it up right away. Just start with the easy things, then progress on until you fix it.

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i wish i had a 5 speed. or even knew how to convert to a 5 speed i would be a happy mofo

 

Welcome to RATSUN biggrin.gif

 

Finding the 5 speed in your area will be the hard part.

Start hitting up the junk yards yo!

I don't know what part of bama you're from but I know personally that lower alabama has PLENTY of junk

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The transmission is fine but too high an idle while holding it back with the brakes will over heat it.

 

You need to strengthen the idle (about 750) to be able to keep it running in drive. Poor manifold vacuum will do this. Some things to check are

 

The valve lash. Tight valve lash will hold the valves open and lower manifold vacuum.

Do you have a Weber carb? These are notorious for the adapter plate coming loose or having a vacuum leak.

Has a vacuum line fallen off? Listen for hiss when idling.

 

With the engine fully warmed up, check or set valve lash, check timing set at 12 degrees* you need all three set before adjusting the idle mixture .

 

Turn the idle speed screw while in neutral, down to 650-750. Turn idle mixture screw in and out to find where the idle is smoothest and highest. Turn in until quality drops, turn out until quality drops, select a position roughly in the middle. Likely the idle speed has improved, so turn it down and begin again, in and out to find the best idle quality, lower the idle speed. Repeat until you cannot improve it any more.

 

This should give you a good strong manifold vacuum for the carb to work with and a proper idle air fuel mixture. See if it will hold idle in gear now.

Link to comment

Very, very common problem. Don't bother with changing the fluid or auto-trans adjustments.

 

The two main causes are Incorrect idle-mixture adjustment or vacuum leaks.

 

Best to start with a tune-up as Mike suggests. Set valve lash, then points dwell, then timing. For B210 with A14 automatic, set distributor timing to 10 degrees. Mike's process is the same as at the Tune-up tech article, but check for vaccum leaks first, otherwise the idle-mixture adjustment is for naught. It's all outlined step-by-step with photos at that tune-up link.

 

 

There several things that can cause the engine to stall, so don't get discouraged if you don't clear it up right away. Just start with the easy things, then progress on until you fix it.

 

Good catch ggzilla, I was seeing a 510 L motor in my head.

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Usually it attaches to the same fitting as the thick hose for the brake booster connects to. May also be in line on that hose or at the one way valve on it.

 

This is for an L series but you get the general idea. May be a combination of rubber hoses and hard lines going down over the back of the motor from the manifold behind the carb..

automaticvacuumline001Large.jpg

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Usually it attaches to the same fitting as the thick hose for the brake booster connects to. May also be in line on that hose or at the one way valve on it.

 

This is for an L series but you get the general idea. May be a combination of rubber hoses and hard lines going down over the back of the motor from the manifold behind the carb..

automaticvacuumline001Large.jpg

I dont have this A.B valve is this the one

23093.jpg

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The AB valve is not related to Brake Booster.

 

Get under the car and look at the automatic transmission. That's where the vacuum line is. Trace it back up to the engine until you find the other end.

 

21632.jpg

 

But why are you worrying about this? Go and fix your problem instead... stop asking questions and start doing :)

 

But keep asking questions if you need clarification on anything. This can be a tricky problem to solve. Best to attach it methodically instead of trying 20 different things to fix.

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The AB valve is not related to Brake Booster.

 

Get under the car and look at the automatic transmission. That's where the vacuum line is. Trace it back up to the engine until you find the other end.

 

21632.jpg

 

But why are you worrying about this? Go and fix your problem instead... stop asking questions and start doing :)

 

But keep asking questions if you need clarification on anything. This can be a tricky problem to solve. Best to attach it methodically instead of trying 20 different things to fix.

WILL DO TOMORROW CAPTAIN. THANKS A TON GUYS

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