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frached

Need help identifying parts under hood

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Hello Turbo Community- I need some help identifying a few items, which I need to reinstall under the hood of my Turbo. Th car was disassembled a while back so parts could be sent out and zinc plated. I wasn't there during disassembly and there are a few pieces that look simple but I just can't figure out where they go. I have attached pictures with the items numbers. Any help would be greatly appreciated and would help with reassembly. I can't wait to get the car back up and running. My 18 year old son and I are having some real good quality time with the car, it has been great. 

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1,2,3 are clips for the wiring harness, depending on how many wires they hold.

 

Generally in the engine compartment and not for the headlights as those are plastic straps, nor across the firewall as those are welded in tabs or "fingers".

 

Look for holes on the driver's side engine compartment near the brake system and voltage regulator.

 

Need the size of # 4 to ascertain.

 

#5 is probably a stud and acorn nut used on the head to attach the valve cover.

 

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#4 looks like either the plug that goes in the block just below the #4 intake port ( it’s a water outlet port on the carburetor engines) or behind the flywheel in the end of the oil galley on the block.  

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#5 is short enough that it might be the stud and acorn nut from the Altitude Compensator

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#4 in the photo measures 19mm for the head and 14mm on the threads. It definitely looks like a plug. Th engine and tranny are not disassembled so it did not come from behind the flywheel and it is not a carbureted car. I really appreciate everyone's help with the puzzle. 

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By your measurements #4 is likely the coolant block drain plug. The hole in the block is on the exhaust side below cylinder number four near the flareout for the bell housing.

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Ahhh, ok. I will look over there and let you guys know. Everyone's help is much appreciated. 

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Now I am trying to figure out wire retainer placement and type. The 2 pics are of another turbo. One of the larger wire retainers is hanging off the intake stud above the starter. The other pic shows the valve cover with one spark plug wore retainer in the lower part pif teh pic a smaller wire retainer at the top of the valve cover. I have tried to look online at other turbo engine pics bit as you all know, trying to figure our how they came out of teh factory is not always easy. Any advice here on proper type off clip/retainer and proper placement and positioning would be helpful. 

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The coolant plugs mentioned by a couple of you here are 17mm. I located them and they are installed on the block picture below. Just cannot find where this thing goes. 

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@frached That is the plug for when the fitting for the water choke for automatic choke carbureted ‘02s and throttle body heat on injected E21 and later M10s.

 

The plug I was talking about is on the exhaust side of the block and has a 19mm wrench head.

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