Coolant Leak Repair Gm 3800 Youtube Step by step tutorial this leak is often mistaken for intake manifold gasket leak ($800 job) drive belt tensioner assembly elbows! ($25 repair ). same re. Repairing the notorious leaking coolant elbow issue on a gm 3.8 engine. this $400 dealer fix can be done for about $50 and a few hours of your time.link als.
Gm 3800 Coolant Leak Belt Tensioner Elbows Water Pump And Thermostat At first what i thought was an intake manifold leak turned out to be mush simpler. the leak was coming from behind the alternator. the plastic bypass tubes. My mechanic is out of town until monday, so i took it to the chevy dealer. they told me that i needed a water pump (leaking from weep hole) and that i had another coolant leak from the "front cover gasket" (apparently the timing cover). the suggested fix was: "timing chain and gear set r&r" $1012 in labor, parts $320 (this includes the water. 3800 series 3 coolant leaking. hello. i am new here but a long time 3800 owner. i have a 2008 buick lacrosse with a 3800 series 3. it has sat for a bit due to running a bit rough on start up and not going over 3500 to 4000 rpm. so i figured it is an issue with the crank sensor. so i swapped the crank sensor and the cam sensor (while i was in. It's best to refill with a mix of distilled water (~$1 gal at walmart) and the "any makes any colors" coolant, dexcool compatible without gunk gm ruined many engines with. those 50 50 pre mixes are like paying an extra $10 for each gallon of water in the end, so do it manually, and leave those jugs for people in a rush.
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