n2audio
Active Member
- Joined
- July 9, 2012
- Messages
- 80
- Reaction score
- 0
- City, State
- Lawrence, ks
- Year, Model & Trim Level
- 2003 Lincoln Aviator
I have a high mileage Aviator that has treated me pretty well since I've owned it (2 yrs, ~35k). Recently I've had some rattles/squeaks coming from the front of the motor. I started by replacing all the idler / tensioner pulleys for the serpentine belt. That made some improvement, but there are clearly other issues. Morning start ups usually make me cringe. But after a second or two it sounds fine, and runs fine overall.
We are planning a ~1500 trip to the mountains this winter and I don't think it would be wise to let this condition go on much longer.
I've done multiple timing belt jobs, but don't have any experience with chains.
I've done some searching and quite a bit of reading but I still have some concerns.
Consensus seems to be the crank/cams don't need to be physically held in place. Setting the crank at 12 o'clock will keep spring pressure on the shafts fairly neutral so they won't rotate on their own. Yes/no?
when I did the serpentine work I had a lot of trouble dealing with the fan and shroud. It seems there's a tool to take the fan off pretty quickly which would allow the shroud to be removed much easier. I hope it's a simple as it sounds b/c it was very irritating to do the serp with it in the way.
I've read that it's a good idea to secure the chain to the sprockets before relieving tension (assuming sprockets/chains are sound). Zip ties?
The DS sprocket appears to be solid. I don't see how that chain would be secured.
At 170k+ would it be wise to replace the chains while I'm there?
How much more involved is that vs just guides/tensioners?
I'll leave it at that for now. I have a lot of other concerns, but it's already getting pretty long.
We are planning a ~1500 trip to the mountains this winter and I don't think it would be wise to let this condition go on much longer.
I've done multiple timing belt jobs, but don't have any experience with chains.
I've done some searching and quite a bit of reading but I still have some concerns.
Consensus seems to be the crank/cams don't need to be physically held in place. Setting the crank at 12 o'clock will keep spring pressure on the shafts fairly neutral so they won't rotate on their own. Yes/no?
when I did the serpentine work I had a lot of trouble dealing with the fan and shroud. It seems there's a tool to take the fan off pretty quickly which would allow the shroud to be removed much easier. I hope it's a simple as it sounds b/c it was very irritating to do the serp with it in the way.
I've read that it's a good idea to secure the chain to the sprockets before relieving tension (assuming sprockets/chains are sound). Zip ties?
The DS sprocket appears to be solid. I don't see how that chain would be secured.
At 170k+ would it be wise to replace the chains while I'm there?
How much more involved is that vs just guides/tensioners?
I'll leave it at that for now. I have a lot of other concerns, but it's already getting pretty long.