Stuck coilover lower body

Averying

Anyone got any tips to remove the coilover lower mount? It’s stuck/seized to the threaded shock body. Don’t want to clamp on the threads to break it loose and damage the threads in the process.

Seems like a couple rounds of PB Blaster and a bit of heat will be my best tools in this situation.




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2009 Sport Touring | Platinum Graphite | GTM Stage 1 Supercharger | BC BR Coilovers | Hotchkis Swaybar | Z1 FUCAs | AME TM-02 Wheels | Z1 2-piece Front Rotors | Z1 Clutch & Flywheel | Invidia Gemini Catback | GTM Resonated Test Pipes

k67p67

Are you attempting to rotate the threaded body by hand? You should be able to secure the lower mount in a vise and use two locking collars together to turn the threaded body using a spanner wrench.

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2017 370Z Nismo Tech 6MT PART OUT IN PROGRESS
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Averying

This is on a divorced coilover setup so there aren’t 2 locking collars to use to turn the threaded body. Just the 1 locking collar to tighten against the lower mount. the BC threaded shock body doesn’t have any feature to clamp on to while I try and rotate the lower mount off.


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2009 Sport Touring | Platinum Graphite | GTM Stage 1 Supercharger | BC BR Coilovers | Hotchkis Swaybar | Z1 FUCAs | AME TM-02 Wheels | Z1 2-piece Front Rotors | Z1 Clutch & Flywheel | Invidia Gemini Catback | GTM Resonated Test Pipes

k67p67

Though it might be a PITA, you can remove the other rear shock and use that locking collar with first locking collar to turn the threaded body. Clamp the lower mount in a vise or stick a bolt through the mounting ears and clamp that in the vise so the mount doesn't rotate when you try and spin the threaded body.

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2017 370Z Nismo Tech 6MT PART OUT IN PROGRESS
Work | Motordyne | Powertrix | Swift | Michelin | Takeda | Hotchkis | RJM | Voodoo13 | SPL | SPC | Z1 Motorsports | ZSpeed | Morimoto | Craft Square

Averying

Well on the other rear shock, it’s the lock collar that is seized… just my luck. Time to get a torch…


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2009 Sport Touring | Platinum Graphite | GTM Stage 1 Supercharger | BC BR Coilovers | Hotchkis Swaybar | Z1 FUCAs | AME TM-02 Wheels | Z1 2-piece Front Rotors | Z1 Clutch & Flywheel | Invidia Gemini Catback | GTM Resonated Test Pipes

SeeThruHead

you could freeze the whole thing. and then heat up the lower body with a torch

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Averying

So I got the lock ring off the other shock and used it to resist rotation while I tried to twist off the lower body. No luck… ughhhh

Going to keep it sitting with PB blaster and resort to the torch eventually if need be. Not in a rush to reassemble the rear though since the car is garages for winter.

Need to order another rear damper anyway since the top hat is fused on and I cannot replace the bump stop


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2009 Sport Touring | Platinum Graphite | GTM Stage 1 Supercharger | BC BR Coilovers | Hotchkis Swaybar | Z1 FUCAs | AME TM-02 Wheels | Z1 2-piece Front Rotors | Z1 Clutch & Flywheel | Invidia Gemini Catback | GTM Resonated Test Pipes

Averying

Great idea. I’ll plan on this when I inevitably torch this mf’er


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2009 Sport Touring | Platinum Graphite | GTM Stage 1 Supercharger | BC BR Coilovers | Hotchkis Swaybar | Z1 FUCAs | AME TM-02 Wheels | Z1 2-piece Front Rotors | Z1 Clutch & Flywheel | Invidia Gemini Catback | GTM Resonated Test Pipes