Watched my 5-spd start to roll down a hill - in gear

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Aug 28, 2021 | 08:24 AM

#16

cruiser54

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Joined: Aug 2011

Posts: 43,971

Likes: 1,578

From: Prescott, Az

Year: 1990

Model: Cherokee (XJ)

Engine: 4.0

Is there an adjustment procedure for those parking brake shoes? If not, how about the center cable adjustment on the Jeep?

Aug 28, 2021 | 09:25 AM

#17

Thetastycat

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Senior Member

Joined: May 2020

Posts: 500

Likes: 51

Year: 95

Model: Cherokee (XJ)

Engine: 4.0

Actually I have push started a manual! This jeep in fact. Didn't work in 1st or 2nd but it did in 3rd.

The adjustment is in the cable and I've got it right enough that it's difficult to get it all the way to the top.

Aug 28, 2021 | 10:17 AM

#18

BlueRidgeMark

CF Veteran

Joined: May 2012

Posts: 7,965

Likes: 964

From: Lost in the wilds of Virginia

Year: 1998 Classic (I'll get it running soon....) and 02 Grand

Model: Cherokee (XJ)

Engine: 4.0

Quote:

Originally Posted by doublechaz

The parking pawl is supposed to lock the output shaft. I got to watch a wrecker pull a neighbors car up a 20 foot cliff after they popped it in park and jumped out without making sure the pawl was seated into a groove by slowly letting off the brake when parking on a hill. It started back quick enough that the pawl kept jumping over each groove. .

Or it sheared. They aren't made of much. Depending on that alone has wrecked many cars.

It's a parking brake. Use it. Every time. And like every other system on your vehicle, keep it in working order!

Aug 28, 2021 | 11:02 PM

#19

IJM

CF Veteran

Joined: Jan 2014

Posts: 1,533

Likes: 349

From: District of Columbia

Year: 1998

Model: Cherokee (XJ)

Engine: 4.0

Quote:

Originally Posted by bluejeep2001

You never push started a manual...same thing. I think a higher gear works better to hold...thats why it stalls at idle and in 5th gear

You have that backwards. A lower gear (1st or reverse) holds it better on a hill since the wheels are trying to turn the engine. In circumstances where the engine is turning the wheels (e.g. driving up a hill), it's more difficult to move the wheels in a high gear. The amount of mechanical advantage depends on which end of the system you're applying force to.

Last edited by IJM; Sep 8, 2021 at 02:05 PM.

Aug 29, 2021 | 02:06 AM

#20

doublechaz

Senior Member

Joined: Aug 2020

Posts: 614

Likes: 205

From: Prescott, AZ

Year: 1988

Model: Cherokee (XJ)

Engine: 4.0

We all know that car companies cheap out on a lot of things. With that in mind, they would not spend all that money putting a parking brake system in there if it wasn't needed.