Cruise Control not sticking

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Cruise Control not sticking

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Cruise Control not sticking - 3/15/2008 5:30:08 PM

Camdisco24

Posts: 739
Joined: 3/12/2007
Status: offline

Hey guys, I took a rare drive on the interstate today and I noticed that when I put the cruise control on it fades to a slower speed after a while. I started at 70 MPH and it faded to 62ish after about 5 minutes. Even when I started at 65 it still faded. I dont use the cruise very often, but last time it worked fine. Obviously it would be nice for this not to happen. So what could this be?

Thanks!
Cameron.

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Cameron
2000 Disco II "Ruby" with 103k miles

"The Devil came down to Georgia, and Mr. Daniels showed him out"

Post #: 1

RE: Cruise Control not sticking - 3/15/2008 5:50:27 PM

Disco Mike

Posts: 10523
Joined: 4/27/2006
Status: offline

Check all the vacuum hoses for a leak, that is the biggest cause for the cruise not setting.

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Mike
Retired service manager. Member of the Solihull Society, NCLR club,past member of the SCLR club and Santa Barbara 4 Wheelers.
99 D2, 3" lift, lockers, H.D. axles, 4:11 gears, Custom front and rear bumpers, Warn winch, HID lights and an Engel 45.

(in reply to Camdisco24)

Post #: 2

RE: Cruise Control not sticking - 3/15/2008 5:58:42 PM

Camdisco24

Posts: 739
Joined: 3/12/2007
Status: offline

SO even if it sets for a while there could still be a leak? Because I can feel it catch, but them after a bit it starts to go down in MPH. If so, where are the hoses so I can check it?

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Cameron
2000 Disco II "Ruby" with 103k miles

"The Devil came down to Georgia, and Mr. Daniels showed him out"

(in reply to Disco Mike)

Post #: 3

RE: Cruise Control not sticking - 3/16/2008 10:21:21 AM

seaosrover

Posts: 47
Joined: 12/19/2007
Status: offline

The cruise unit is located next to the coolant bottle follow the lines to the controller. It is possible the unit itself can't hold the vacuum. Good Luck

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2003 Discovery SE
64,228 mi

(in reply to Camdisco24)

Post #: 4

RE: Cruise Control not sticking - 3/16/2008 6:43:57 PM

greg409

Posts: 116
Joined: 7/29/2006
Status: offline

Ditto on the vacuum leaks.
They're black rubber hoses (1/4 in. or so)

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"Don't give up, it's only a machine"

'96 RR 4.0se 160K nice
"97 D1 Se7 105K nicer

(in reply to seaosrover)

Post #: 5