302 Timing Chain
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Joined: Sep 2002
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From: Simpsonville USA
302 Timing Chain
I have a 1992 F150 with 125,000 miles. I'm having to replace the oil pan gasket. Since I was going to have the radiator out I am going to go ahead and replace the water pump. I was wondering whether I should go ahead and replace the timing chain and sprockets while I'm at it.
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Joined: Jul 2002
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From: brookfield usa
302 Timing Chain
[updated:LAST EDITED ON 05-Sep-02 AT 04:06 PM (EST)]if you've the money and time, no reason not to. i had mine done at 168,000, shoulda been done a lot sooner, but didn't have the means till then. better safe than sorry, lol
'92 F-150 ext. cab shortbed 302/5speed 2wd
'89 F-150 reg. cab longbed 302/5speed 4X4
'89 Thunderbird 3.8/AOD
'88 Thunderbird
'76 Ranchero GT 460/C6/9"
'72 F-100 360/4speed 4X4
'92 F-150 ext. cab shortbed 302/5speed 2wd
'89 F-150 reg. cab longbed 302/5speed 4X4
'89 Thunderbird 3.8/AOD
'88 Thunderbird
'76 Ranchero GT 460/C6/9"
'72 F-100 360/4speed 4X4
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New User
Joined: Sep 2002
Posts: 5
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From: Simpsonville USA
302 Timing Chain
Replacing timing chains is not an item that ford recommends that you replace at a certain milage interval. It's pretty rare for one to break but they do stretch over time and if it stretchs enough it can effect valve & ignition timing.
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Joined: Nov 2001
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From: Escondido, CA
302 Timing Chain
[updated:LAST EDITED ON 15-Oct-02 AT 00:21 AM (EST)]Well I would say to inspect the oil pump shaft rather then all out replace it. I haven't heard of or had to replace a pump shaft as of yet. Unless you see yourslef drag racing with your truck from stop light to stop light. But that is just me. One word of advise though.... use the harmonic balancer to center the timing cover before you tighten it down. That way you can ensure that you wont prematurely wear out the seal from misalignment. Also pack the seal lip with some vasiline so you wont burn it up on start up. A little trade secret we use around here for the generator pad seals on AH-1W's. Yeah, I know it's not a truck but you can learn alot from avaiation maintenance. Oh, and stay away from nylon timing gears. They have a tendancy to crack in cold weather when they get a few years behind them. Go ahead ask me how I know. Nothing sucks more then having to walk 12 miles in 10 degree weather to get a tow truck.
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