1988 - 1998 (GMT400) Section for all discussion related to the 1987-1998 Chevrolet and GMC trucks.

Replacement costs - engine and or trans 1999

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Old May 10, 2024 | 6:41 AM
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bitshift's Avatar
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Smile Replacement costs - engine and or trans 1999

What is a "spitball" number these days for a replacement (used) 5.7L (Vortec) going in a 1999 Silverado? Parts and labor
Same question for a transmission
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Old May 14, 2024 | 8:40 PM
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From: Central Iowa
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If you still need an answer….

Depends on your local labor rates. Start calling around and/or looking online. Most shops are in the $125-$175/hr range.

For a job like this, you’ll most likely need to get it done at an independent shop - it would be rare for a dealer to agree to the job, even if it was agreed that you’d pay cash.

I’ve done a few used engine and/or trans swaps in these trucks for customers. I don’t know what the total bills came to, as I haven’t seen them directly, but I’ve had up to 3 days labor in them depending on the difficulty of bolt removal, the parts being swapped vs. replaced, and how much parts cleaning needs to be done.

There also tends to be additional issues found during the course of the swap. Common issues I find and/or parts I typically have to replace are:

- Motor and/or trans mounts
- Exhaust manifolds or exhaust pipe repairs
- Wiring repairs - particularly, battery cables/cable ends, ground eyelets/straps, component connectors, replacing the wrap… it all depends on the general condition of the harness
- Stripped/damaged bolt thread bosses
- Leaking hydraulic lines/hoses (power steering, engine oil, ATF, coolant)
- Radiator and heater core require extensive flushing or replacement

Parts that are often recommended to replace during the swap are the water pump, thermostat, pressure cap, and belt drive components.

​​​​​​…..the list goes on, but I think you get the idea.

A very broad range is $2,000 - $5,000.

By law, a shop can’t go over an estimate by more than 10% without your direct approval (verify this in your area - that law may be different locally).

What I would suggest is adding an additional 10 or 15 percent to whatever price they give you, for a more accurate idea of how much more you might need to pay.

Last edited by Gumby22; May 14, 2024 at 8:43 PM.
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