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04-29-2015, 03:44 PM
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#1 |
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Registered User
Join Date: Mar 2014
Location: Calera, AL
Posts: 52
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1979 Chevy Silverado tranny question.
Hello guys, got a question. I have a TH400 transmission bolted to a 350 engine. My truck has been in the shop due to a leaking transmission. I got a call today that the front tranny pump is causing the leak and pan needs to be replaced. I was told to replace the pump, I might as well have the tanny rebuilt. The cost of the total repair is in the neighborhood of $1500. I am not a transmission guy, so I dont know a lot about them but I have seen some online, through companies such as Jegs for $900/$1200 new/rebuilt. My question is, am I better of repairing mine or buying the new one and using the fly wheel and torque converter of the broken tranny?
Thanks, Jason |
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04-29-2015, 07:23 PM
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#2 |
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Registered User
Join Date: Dec 2007
Location: Kimberley, BC, Canada
Posts: 799
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Re: 1979 Chevy Silverado tranny question.
Does the 1500 include the labour to remove and replace the transmission?
__________________
Greg 64 GMC Suburban - 283, NV3500, 14 bolt 77 C10 swb - 292, SM465, 12 bolt |
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04-29-2015, 11:35 PM
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#3 | |
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Registered User
Join Date: Mar 2014
Location: Calera, AL
Posts: 52
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Quote:
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04-29-2015, 07:26 PM
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#4 |
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Senior Member
 
Join Date: Jul 2000
Location: North Texas
Posts: 3,597
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Re: 1979 Chevy Silverado tranny question.
Where I live, a very good shop charges $375 parts and labor to rebuild a TH350 if I take the trans to them. I doubt they would charge much more for a TH400. I have seen a trans shop remove a TH350 from a Chevy 2WD pickup in less than 30 minutes! So, another $1,125 to remove and replace it (your $1,500 total) seems high.
Regarding the torque converter, it should either be flushed on a special machine or replaced. You don't want to ruin a fresh trans rebuild with old fluid. A trans shop can buy a rebuilt converter from a parts supplier for less than $100. I just paid $64 exchange for a rebuilt (in the USA) TH350 converter from TRANSTAR with a 4-year warranty. Again, I doubt a TH400 converter costs much more.
__________________
Mike 1969 C10 LWB -- owned for 35 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, recent AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! |
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04-29-2015, 11:39 PM
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#5 |
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Registered User
Join Date: Mar 2014
Location: Calera, AL
Posts: 52
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MikeB, so you are saying roughly $475 in parts plus 2-4 hours of labor?
Last edited by JROC's Chevy; 04-29-2015 at 11:47 PM. |
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04-29-2015, 11:36 PM
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#6 |
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Registered User
Join Date: Mar 2014
Location: Calera, AL
Posts: 52
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Re: 1979 Chevy Silverado tranny question.
Greg64, the $1500 is parts & labor out the door.
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