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I have a coolant leak somewhere that I cant seem to find. When driving I sometimes smell what I believe to be burnt coolant. I have changed the raditor hoses, water pump, thermostat, and head gaskets but nothing has helped. Its got to be very, very small as I have been unable to see a leak anywhere.
Any suggestions on where to look or what else could be the problem. I have heard mention of leaks behind the timing belt cover. Is this a possibility or hard ot fix?
On my 3.8L motor, I replaced my idler belt tensioner assembly ( pulley and noisy bearing worn out ) and discovered that infamous little black plastic elbow coupling for the 1st time. I found mine to be cracked on the inside, I was impressed to say the least. This may be the elusive problem you described.
To rectify this I had to do the following:
1- Purchase a new idler belt tensioner assembly. This will be your reference to see what's involved.
2- Disconnect battery
3- Remove serpentine belt and alternator
4- Drain coolant to avoid a big mess
5- Pull off the two curved coolant hoses leading into the idler assembly
6- Remove idler assembly outwards by wiggling it out almost forcefully.
As you remove the idler assembly, you will also see the black elbow piece or pieces in your case. This was surely my coolant leak and smell I could not locate til now.
Before reinstallation of the new idler assembly and new elbow inside, clean the inside hole where the elbow resides and bolt threads to avoid any further problems. Reinsert the assembly carefully and bolt it together. Reinstall your hoses, alternator, serpentine belt and battery cables. Consider flushing your cooling system of deposits while you are there. Bleed any excess trapped air too. Visually check the engine for leaks after firing it up.
Black \'96 RS Camaro, 3.8 V6 Series II, M5, Stock 200 HP, 204K miles! Stock \'91 Firebird 3.1 V6 automatic w/ overdrive. 266,400 miles on it. \'83 Pontiac Trans Am,305 LG4, Cowl Induction,Borg Warner 5 Speed,T-Tops,Gale Banks Exhaust System:$800 obo
That little elbow has a tendency to crack at the O-ring groove where it's installed in the engine block, allowing the coolant to seep past and out of the engine.
I did't have to replace the tensioner. Just loosened it off and moved to off to the side. Then replaced the elbow. The hardest part about replacing that little plasic elbow is digging out the piece left behing in the block. I didn't even have to disconnect the heater hose lines.
Now Playing: \'99 Pewter Firebird, stock, bone stock, and nothing but stock, so help me God!<br />Comming attractions: K&N Filter, Lid Mod, Intake Bellows Smooth Pipe Mod.<br />I dream about: Forced Induction (TC or SC) or NOX (or both!)
I replaced that elbow from the idler to the intake manifold when I did the head gaskets. I actually broke my elbow so I have a new one with new o-rings. I will double check it this weekend just to make sure. Let you know what I find.
Hi, everyone. We bought a 97 base model convertible Camaro and someone broke the motor ... Lights were blinking on the dash and that someone ignored the...
Still trying to find oil leak on my Camaro, it’s a tough one. I think it is the oil pressure sender myself. Leaking when raving and going into boost....
4 days ago
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