Chevy 3400 Engine Diagram 2003 Alero 3400 V6 Engine Diagram Wiring Library http://52-youth/2003-alero-3400-v6-engine-diagram 3400 Sfi Engine Cooling System Diagram - Free Diagram For 3400 sfi engine cooling system diagram gm engine diagram 3400 sfi liter info power specs wiki 5 3 wiring 3400 sfi engine cooling system diagram 2000 2005 34003800 radiator flush bleeding the air chevy. 3400 or 3 V6 Engine Belt Pictures and Routing Diagrams GM 3 Engine Belt Routing Diagram. Picture and diagram of How to Replace Belt on GM 3 3400 V6 in cars and minivans. This is the routing of the serpentine belt on the GM 3400 V6 engine. It is used in many Buick, Pontiac, Chevrolet and Oldsmobile cars. 3400 GM Engine 3.4 Liter Motor Explanation And Discussion Opening up a discussion and repair blog on the 3.4 Liter GM Engine. GM put these engines in a lot of their cars and minivans. They're relatively good engin.. 3 and 3 V6 Engine Sensor Location Pictures and If you have the 3400 dual overhead cam engine (DOHC) then you have a lower intake leaking vacuum. Pontiac Aztec 3400 leaks coolant when the motor is warm back behind the back head up by the valve cover behind the alternator there is no coolant in the oil but dont leak when the car is cold and haven't been running cant find or see what would be causing this problem. 3 Engine Numbered Breakdown Diagram 3 Engine Numbered Breakdown Diagram If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before 3.4 Chevy Motor Problems | It Still Runs The Chevrolet 3 (3400) V6 is just one variant of a huge family of 60-degree V6s in production since 1980. Though this engine has seen constant improvement over the years, no amount of evolution will ever eliminate all of GM's notorious engineering flubs. One stands above all others in this engine