3400 GM Engine 3.4 Liter Motor Explanation And Discussion




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Amanda Brooks: my car was slightly over heating so I changed my thermostat.. Found a freeze plug lodged in the thermostat.. Now it's really over heating and leaking fluid.. wasn't doing that before.. How do I fix it. 2000 Chevy impala..

zack mack: what is a vacuum line can it cause your car to shut off

Linnex Miles: First and foremost I wish to give a shout out to author and participants of this board. A dedicated GM 3.4L Engine Discussion board is pretty awesome!!!

I have a 2003 Chevy Impala. The only difference between my engine and the author's is that there are motor mounts at the front of the engine. I need to change the back spark plugs. I am rather large in stature (6'2'', 275lbs), so feeling around the back to access them like some of you shorter and skinnier guys do is not an option for me.

According to what I researched thus far, GM states that it is best practice to rotate the engine. While there are videos out there that shows you how to do this, but the challenge is finding the resource for specifically for the application for the 2000-2005 chevy Impalas.

My question specifically where do you strap the engine to perform the this procedure? I want to do it the right way. Thanks!!!!

Hale Cooley: lose the airfilter put the factory one back on you're just sucking hot air from the engine bay with that open airfilter

galaxybeing1: I own two Aleros. One is '99 with 221,000+ miles , 2nd is '04 with 88,000+ miles. Piston slap you explained exists in the '99 but not the '04. How many minutes do you say heating up the engine at first start up? Good vids, btw. Thanks.

tyler wagner: think I may have a vacuum leak but not quite sure. just think I have a performance issue. and it could be from that. do you reccommed I just go ahead and replace the entire pcv hose?

tyler wagner: can the loose vacuum hoses cause performance issues as well?

Mike Toucheck: I saw a lot of comments nohow to change the back plugs on a 3.4 litre motor in my Chevy venture..after a lot of cussing I found the only easy way is to remove the coil pack bracket..I did take off both motor mounts and pull the motor forward but that is the easiest way..12me nuts on back of bracket 10me on front!!!!

Mike Toucheck: I cannot see where the household. that connects to the air intake hoagies.. it is on top about 2 inches from the clamp to the throttle body.. I'm wearing my glasses but I still can't see where it goes..thanks for all the tips though..

BiopsyHeaven: You meantioned some noise it tends to make during a cold start. I have a slight knocking that happens upon ignition. It always happens first thing, but runs flawlessly after warming up.

Charly Cr7Ch14: me podre saber donde puedo conectar cada manguera de aire las del map es una venture van 2002

Alain Le Pain: the metallic pipe that goes out of the water pump and goes all the way around the engin is pissing fluid... it goes foward and its to fast to just ingore it.. any suggestion or I change it simply!

metric132: I have  grand am with 3400 engine. it starts runs a few seconds then dies. no check engine light. anyone know the cause?

Robert Houg sr: WHERE IS THE PETrooster TO DRAIN THE ANTI-FREEZE ON AN OLDS SILHOUETTE MAYBE I'M NOT LOOK ING HARD ENOUGH?

Robert Houg sr: FIXED A HEATER HOSE LINE IT DOESN'T LEAK ANYMORE BUT IT STILL HEATS UP QUICKLY.WHAT'S UP WITH THAT?

Danielle Wilkerson: my power steering system is acting crazy. it's winding noise turns really loud the farther I drive. I drive 40 miles to work n by the time I get there it's moaning n groaning something serious. I've checked fluid level. full.. I've changed fluid. added Lucas stop leak. still moaning. I can't find a leak even tho I have a small amour of fluid on the drive way. I'm wondering if I need to bleed the system or change pump, rack n pinion, or filter.

Kelly B: I just replaced my thermostat In my old mobile Alero and now it shaking really bad when I come to a stop it shake and when I put my foot on the paddle to go it shake and act like it don't want to go .he don't shake when I turn it on only when I go to a stop

Kelli Kloman: The vacuum line coming from the top of the fuel pressure regulator to the back of the upper intake. I noticed my 2001 Pontiac Grand Am GT 3.4 has a fitting on the line going to the intake. But the fitting has a side opening for another line. I for the life of me can not figure out what it was for or if it's for anything at all. Perhaps you could show me?

Jordin Stilwell: I have this motor and there is a yellow wire with a plug coming from the bottom of the back of my engine and I don't know where the plug goes can you help me so I can turn my check engine light off please

trisha scott: What's the easiest way to get to and replace the freeze plug in the upper engine block on drivers side under egr?
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3400 GM Engine 3.4 Liter Motor Explanation And Discussion