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Questions related to 240D Engine Belts, Water Pump, and AC compressor
So, I'm working on replacing engine belts and the water pump on my 83 240D and I have a few questions.
1. I have the belt off the water pump, crankshaft pulley and alternator, and the belt off the power steering pump and crankshaft pulley. The car is in a place where it can't be jacked up, so I am finding it difficult to determine how to release tension on the AC compressor and remove that final belt. I never use the AC (don't even know if it works) and never will, so I am considering just removing the belt and not putting one back on, and then removing the AC compressor completely at a later date when I can jack the car up. Any problems with this besides no AC? 2. I suspect that it is going to be difficult to get the new steering pump belt back on so I am wondering what direction the crankshaft pulley turns (when looking at the front of the engine) when the engine is running so I can potentially jump the belt onto the pulley when I crank the engine with the starter. 3. I have the fan off the water pump (removed four bolts) but I can't figure out how to get the clutch/coupler that the fan attaches to off. I see no other bolts, so I am assuming it is just friction holding it on, but I don't want to just start whacking things with a rubber mallet until I know for sure. Is there some trick to getting this off the pump that I am missing? My Chilton manual is very vague in regards to this process. Any advice is appreciated. |
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Jim |
Just cut the A/C belt for now.
So you removed the fan and fan clutch, correct? There should be 4 bolts that hold the fan and fan clutch together. |
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If you removed the 4 10mm bolts the fan and fan clutch should have come off of the water pump assembly. Friction and a small stump of metal holds the fan clutch so you can put the bolts back in. There are 4 bolts that attach the fan to the fan clutch, and 4 bolts that attach the fan clutch to the water pump. When all assembled the bolt heads should be facing each other.
Did you remove the fan after removing the water pump? It is designed so that you have to remove the fan clutch from the water pump before you can remove the fan from the fan clutch. |
There is no fan clutch on a 240D, just the 4 long bolts that hold the fan to the w/p.
coadman.... His is an 82 which means the AC compressor is not on top but the new style down low on the drivers side. |
I wish I had that set up on the 300d. it's a PITA to remove the fan clutch mounting bolts.
Thanks for the info Steve! |
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Jim |
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For the AC belt you can just cut it off. No problems.
Here is a post showing the 3 bolts for the compressor and the adjusting bolt. Scroll down to find the pictures. http://www.peachparts.com/shopforum/showthread.php?t=155908&highlight=alternator+bolts+dave It also shows the power steering pump bolts. Loosen the 2 bolts and then loosen the adjusting bolt as shown. The belt should slip on without bumping the engines starter. It rotates clockwise when looking at the engine from the front. The water pump pulley is removed by taping it with a hammer or mallet. Be gentle but it does require taps with a hammer. The center shaft looking part holds the assembly pretty well. coadman You might want to check the post above. The AC compressor has 3 bolts that mount it. Dave |
Great! Thanks for all the help. I figured the water pump pulley was just held on with friction once the 4 bolts are removed, but just wanted to make sure there wasn't some trick.
I'm probably just going to cut the AC compressor belt and remove the compressor later. No need for AC. I was happy to get the other belts off easily because I thought some of the bolts may be frozen, especially on the alternator, but everything moved freely. |
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