Answer
Jan 10, 2024 - 01:34 AM
Hey there, Tony!
Three transmissions in a Sierra and now she's refusing to reverse? Sounds like your truck's throwing a real tantrum. Transmission troubles can be a real head-scratcher, huh? So, you had a leak, fixed it up with the coolant line replacement, and now the reverse is playing hard to get. There may be a deeper underlying problem, possibly with the transmission linkage or shifter assembly not engaging reverse properly,
Replacing the coolant line might be a red herring. While coolant leaks can cause overheating and other issues, they shouldn't directly affect reverse gear. Unless that leak somehow contaminated the transmission fluid, which is possible. Did you notice the fluid color or smell off when you checked it?
When you're dealing with a transmission leak, especially if it got onto hot engine parts, it can mess with the transmission fluid. Sometimes, it might've affected the clutch plates responsible for reverse gear engagement.
First off, check your transmission fluid level. Low fluid can throw a wrench into the gears. If it's looking good, consider the possibility of the fluid being contaminated. If it's all milky or doesn't look like it should, that could be the culprit.
Another angle – the transmission control module (TCM). If it got a little wet during the leak fix, it might be sending mixed signals. A bit of drying or a reset might do the trick.
Lastly, consider a transmission fluid flush. It could help clear out any gunk that found its way in during the leak.
If all else fails, a trip to the mechanic might be on the cards. They can run some diagnostics and get to the nitty-gritty of what's holding back that reverse gear.
You may need some parts in the process, click this link to be directed to our website where your vehicle information has already been entered. Simply enter the part's name into the search field to get started.
Good luck, and here's to smooth shifts ahead!
Three transmissions in a Sierra and now she's refusing to reverse? Sounds like your truck's throwing a real tantrum. Transmission troubles can be a real head-scratcher, huh? So, you had a leak, fixed it up with the coolant line replacement, and now the reverse is playing hard to get. There may be a deeper underlying problem, possibly with the transmission linkage or shifter assembly not engaging reverse properly,
Replacing the coolant line might be a red herring. While coolant leaks can cause overheating and other issues, they shouldn't directly affect reverse gear. Unless that leak somehow contaminated the transmission fluid, which is possible. Did you notice the fluid color or smell off when you checked it?
When you're dealing with a transmission leak, especially if it got onto hot engine parts, it can mess with the transmission fluid. Sometimes, it might've affected the clutch plates responsible for reverse gear engagement.
First off, check your transmission fluid level. Low fluid can throw a wrench into the gears. If it's looking good, consider the possibility of the fluid being contaminated. If it's all milky or doesn't look like it should, that could be the culprit.
Another angle – the transmission control module (TCM). If it got a little wet during the leak fix, it might be sending mixed signals. A bit of drying or a reset might do the trick.
Lastly, consider a transmission fluid flush. It could help clear out any gunk that found its way in during the leak.
If all else fails, a trip to the mechanic might be on the cards. They can run some diagnostics and get to the nitty-gritty of what's holding back that reverse gear.
You may need some parts in the process, click this link to be directed to our website where your vehicle information has already been entered. Simply enter the part's name into the search field to get started.
Good luck, and here's to smooth shifts ahead!
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