still have coolant..
Thread Starter
Joined: Nov 2009
Posts: 453
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From: Saint Louis, MO
Car: 86 Firebird LG4
Engine: 350
Transmission: 700r4
Axle/Gears: 3.23 limited slip
still have coolant..
I installed a knock sensor yesterday but when the old one came out only a couple of quarts of coolant came out... Doesn't it drain the whole thing or am I wrong?
Thread Starter
Joined: Nov 2009
Posts: 453
Likes: 0
From: Saint Louis, MO
Car: 86 Firebird LG4
Engine: 350
Transmission: 700r4
Axle/Gears: 3.23 limited slip
Supreme Member
Joined: Jul 2003
Posts: 1,236
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From: KY
Car: 87IROC, 740iBMW, 328iBMW, 86GMC
Engine: 5.7, 4.4LV8, 2.8, 6.0
Transmission: Manuals & Auto's
Axle/Gears: 3.27, 3.42
Re: still have coolant..
If your goal is to drain the block, you'll need to remove the two block drain plugs. One on each side. Otherwise, just removing the knock sensor will only partially drain the block and some coolant from the head and intake coolant passages below the (closed when cold) t-stat.
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: still have coolant..
If your goal is to drain the block, you'll need to remove the two block drain plugs. One on each side. Otherwise, just removing the knock sensor will only partially drain the block and some coolant from the head and intake coolant passages below the (closed when cold) t-stat.
Thread Starter
Joined: Nov 2009
Posts: 453
Likes: 0
From: Saint Louis, MO
Car: 86 Firebird LG4
Engine: 350
Transmission: 700r4
Axle/Gears: 3.23 limited slip
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