Key won't turn
Thread Starter
Junior Member
Joined: Jun 2010
Posts: 69
Likes: 0
From: NH
Year: 2001
Model: Cherokee
Engine: 4.0L I6
This morning I put my key in the ingition and it would not turn. I grabbed my spare keys and tried those. Still no luck. I finally googled this issue and found a remedy. I had to tap the ignition cylinder with a hammer a few times and then the key would turn and start.
Has anyone else had this issue? What is the cause? Will this continue to happen?
Has anyone else had this issue? What is the cause? Will this continue to happen?
☠ CF Sheriff ☠

Joined: Nov 2009
Posts: 15,197
Likes: 18
From: Aberdeen, MD
Year: 1995
Model: Cherokee
Engine: 4.0L HO I-6, 703 Injectors, Brown Dog Super Engine Mounts
Thread Starter
Junior Member
Joined: Jun 2010
Posts: 69
Likes: 0
From: NH
Year: 2001
Model: Cherokee
Engine: 4.0L I6
I did get it to start by tapping it with a hammer. I haven't tried starting it again since it happened this morning. I'm just wondering what causes this and if it is something I should be worried about in the future.
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CF Veteran
Joined: Mar 2010
Posts: 47,923
Likes: 38
From: Broward County Fl.
Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors
☠ CF Sheriff ☠

Joined: Nov 2009
Posts: 15,197
Likes: 18
From: Aberdeen, MD
Year: 1995
Model: Cherokee
Engine: 4.0L HO I-6, 703 Injectors, Brown Dog Super Engine Mounts
Oils attracts dirt and dust, and will prevent the tumblers from moving as needed to unlock. Use only dry lubricants such as silicone, graphite or other products specifically designed for lubricating locks.
You also never clean lock cylinders with products that leave a film or residue. Films and residue are usually oils and will attract dirt. Electrical contact cleaning products work great on lock cylinders and leave no film or residue.
You also never clean lock cylinders with products that leave a film or residue. Films and residue are usually oils and will attract dirt. Electrical contact cleaning products work great on lock cylinders and leave no film or residue.
Thread Starter
Junior Member
Joined: Jun 2010
Posts: 69
Likes: 0
From: NH
Year: 2001
Model: Cherokee
Engine: 4.0L I6
CF Veteran
Joined: Mar 2010
Posts: 47,923
Likes: 38
From: Broward County Fl.
Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors
Oils attracts dirt and dust, and will prevent the tumblers from moving as needed to unlock. Use only dry lubricants such as silicone, graphite or other products specifically designed for lubricating locks.
You also never clean lock cylinders with products that leave a film or residue. Films and residue are usually oils and will attract dirt. Electrical contact cleaning products work great on lock cylinders and leave no film or residue.
You also never clean lock cylinders with products that leave a film or residue. Films and residue are usually oils and will attract dirt. Electrical contact cleaning products work great on lock cylinders and leave no film or residue.
CF Veteran
Joined: Mar 2010
Posts: 47,923
Likes: 38
From: Broward County Fl.
Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors



