diff --git a/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java b/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java
index 0823d913..84491fa9 100644
--- a/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java
+++ b/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java
@@ -8,6 +8,7 @@ import gregtech.api.interfaces.ITexture;
 import gregtech.api.interfaces.metatileentity.IMetaTileEntity;
 import gregtech.api.interfaces.tileentity.IEnergyConnected;
 import gregtech.api.interfaces.tileentity.IGregTechTileEntity;
+import gregtech.api.metatileentity.implementations.GT_MetaTileEntity_BasicMachine;
 import gregtech.api.net.GT_Packet_TileEntity;
 import gregtech.api.objects.GT_ItemStack;
 import gregtech.api.util.*;
@@ -1187,7 +1188,10 @@ public class BaseMetaTileEntity extends BaseTileEntity implements IGregTechTileE
                         return true;
                     }
                     if (GT_Utility.isStackInList(tCurrentItem, GregTech_API.sWrenchList)) {
-                        if (mMetaTileEntity.onWrenchRightClick(aSide, GT_Utility.determineWrenchingSide(aSide, aX, aY, aZ), aPlayer, aX, aY, aZ)) {
+                    	if(aPlayer.isSneaking() && mMetaTileEntity instanceof GT_MetaTileEntity_BasicMachine && ((GT_MetaTileEntity_BasicMachine)mMetaTileEntity).setMainFacing(GT_Utility.determineWrenchingSide(aSide, aX, aY, aZ))){
+                            GT_ModHandler.damageOrDechargeItem(tCurrentItem, 1, 1000, aPlayer);
+                            GT_Utility.sendSoundToPlayers(worldObj, GregTech_API.sSoundList.get(100), 1.0F, -1, xCoord, yCoord, zCoord);
+                    	}else if (mMetaTileEntity.onWrenchRightClick(aSide, GT_Utility.determineWrenchingSide(aSide, aX, aY, aZ), aPlayer, aX, aY, aZ)) {
                             GT_ModHandler.damageOrDechargeItem(tCurrentItem, 1, 1000, aPlayer);
                             GT_Utility.sendSoundToPlayers(worldObj, GregTech_API.sSoundList.get(100), 1.0F, -1, xCoord, yCoord, zCoord);
                         }
diff --git a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicMachine.java b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicMachine.java
index 417b9cc8..60cb3c45 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicMachine.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_BasicMachine.java
@@ -88,6 +88,16 @@ public abstract class GT_MetaTileEntity_BasicMachine extends GT_MetaTileEntity_B
         mGUIName = aGUIName;
         mNEIName = aNEIName;
     }
+    
+    public boolean setMainFacing(byte aDirection){
+    	mMainFacing = aDirection;
+    	if(getBaseMetaTileEntity().getFrontFacing() == mMainFacing){
+    		getBaseMetaTileEntity().setFrontFacing(GT_Utility.getOppositeSide(aDirection));
+    	}
+        onFacingChange();
+        onMachineBlockUpdate();
+    	return true;
+    }
 
     @Override
     public ITexture[][][] getTextureSet(ITexture[] aTextures) {
diff --git a/src/main/java/gregtech/common/blocks/GT_Block_Machines.java b/src/main/java/gregtech/common/blocks/GT_Block_Machines.java
index 1ab5b2c5..abc6dad0 100644
--- a/src/main/java/gregtech/common/blocks/GT_Block_Machines.java
+++ b/src/main/java/gregtech/common/blocks/GT_Block_Machines.java
@@ -259,7 +259,7 @@ public class GT_Block_Machines
         if(aPlayer.isSneaking()){
         	ItemStack tCurrentItem = aPlayer.inventory.getCurrentItem();
         	if(tCurrentItem!=null){
-        		if(!GT_Utility.isStackInList(tCurrentItem, GregTech_API.sScrewdriverList)){
+        		if(!GT_Utility.isStackInList(tCurrentItem, GregTech_API.sScrewdriverList) && !GT_Utility.isStackInList(tCurrentItem, GregTech_API.sWrenchList)){
         			return false;
         		}
         	}else {return false;}