3.4 Liter GM 3400 Engine Replacement / Swap 1999 Alero / Grand Am 4 Door




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Bud E: Do you know for a 02 Rendezvous, can the engine come out from the top?  I read somewhere it needs to drop out from the bottom.

calcium66: I have just replaced the engine for my Alero 2002. An engine from a 2001 Impala was in stalled in the Alero. The Mechanic at first states that the PSI for the fuel pump is 38 it should be 55-58. We changed the fuel pump and fuel filter- and it gave the same reading. The car would start twice a day like 9 hr apart. If I start the car now and shut it off it will not start-will crank but wont turn over. I changed  cramshaft and crankposition sensor - still the same thing. The only thing that works is disconnecting the positive charge on the battery for 30 secs with the key in the on position. I also cut the security wire (thin yellow wire} while the car was running it still will not start again after the first start. Any solution?

j loft: hey the guy with the brake light problem ,if it not the bulb mine was the turn signal switch most g m car run both the brake light and turn signals thru it, easy to tell if you have only one bulb  

Ricky Temples: Most shops don't want to work on my car, especially doing my new exhaust, they all want to claim that it's $2000 to do, and they bullcrap me everytime. I just need someone in Georgia to remove both manifolds and either replace them with oem product or pacesetter headers. 

3waymore: Please tell me two things.  1) how did you get the lower engine to tranny bolt out on the firewall side? 2) how did you get to the exhaust bolts.  PLEASE help soon

Byron Da Shirtmaker: How much do u charge to swap out a engine? 

Davie Jones: The only reason head gaskets go bad are either too much pressure in the head by over turbo charge or a blower or someone let a antifreeze leak prove fatal when they instead of replacing it with the good stuff put in good antifreeze coolant and regular tap water! Tap water has calcium and rust and all kinds of bad stuff in it and what happens is that the calcium collects around the shaft of the thermostat during the summer and when the first hit of cold weather come's around it seizes up and won't open when the engine get's hot and over pressurizes the coolant ports and it finds the weak area which is the head gasket and it blows a hole between the cylinder and the coolant ports which don't ruin the engine but makes you have a job changing the head gasket. That is if it don't crack the block!  The only way to find that out is changing the head gasket and doing a pressure test on each cylinder!  Tap water is not our friend! Use distilled water only in your radiators! And never trust premixed coolant ever! I never use it! You can't trust companies to be honest about using distilled water in their premixed antifreeze!  

crosstimbers2: Can't you make your videos without the lawn mower?

Vacationtime247: I'd say @ $700-$1200 depending on where you go for the rebuild. VT247

Xavier Holland: Lol random duck sexy stare. :P Dude, nice swap. I too have the v6. Plan to keep it for as long as it will move, then pull a block, and move it some more.

Mike Thexton: Yea, I think It would be easiest to assemble the new engine while the blocks in the car already. I don't exactly have a scissor lift or anything just a jack, so I'm not sure If I could get the frame high enough to put the engine in from the bottom. I would love to invest in a scissor lift one day though!

Vacationtime247: If it's coming out the top, then all those things you mentioned earlier don't need removed. Be careful of the radiator not to knock a hole in it by accident. From what you're saying, it should be ready to pull by hooking up the chains and lift. You going to put the heads on after dropping the block back in? VT247

Mike Thexton: Well, I have everything removed from the top, the entire engine bay is empty minus the block, it is sitting on the frame of the car and is only bolted to the tranny still, It looks like I can throw the chains on it and unbolt it from the tranny and lift it out? It's as disassembles as if I were doing the head gaskets again.

Vacationtime247: I'll bet the whole front subframe comes out in their instructions. In some applications this is the best way to do it. Drop the subframe, lift the body and you're at the motor. From there it's just removing the engine / trans bolts, motor mounts, & torque converter bolts. But yes, all those things mentioned need removed before dropping the cradle. VT247

Mike Thexton: Hey, chiltons says to remove these before removing the engine Stabilizer shaft links from the lower control arms Tie rod ends from the steering knuckles Lower ball joints from the steering knuckles Cooler lines and bracket from the transaxle Is that necessary, or can I skip these steps?

Vacationtime247: Swapping from a 3.1 to 3.4 can be done, but it's not a direct bolt in. Several of the sensors have different connectors, making the computer work with the different engine and swapping out motor mounts. It's possible, but I'd not want to do it. VT247

eddie davis: Is the 3.1 and the 3.4 capable for engine swap

Vacationtime247: There are bolts holding on the transmission that you can easily see from the front of the car. There are one or two (can't remember exactly now) that go the opposite direction in the back. You'll need a long extension to take 'em out. Also, don't forget the torque converter bolts as well. The rest is pretty straight forward. VT247

Nick Ritter: how did you seperate the transmission from the engine im dong the same thing right not and i cant find the access plate like most cars have can you please respond ? thanks

Vacationtime247: No, this one is the common 3.4 / 3400 GM It's a 12 valve engine. 2 valves per cylinder. VT247
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3.4 Liter GM 3400 Engine Replacement / Swap 1999 Alero / Grand Am 4 Door