Anyone ever change the oil pump in there bonneville?
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Anyone ever change the oil pump in there bonneville?
The oil pump is acting weird so i was thinking if it'* not the sending unit i was just going to change the Oil pump on the car. Has anyone done this i shouldn't have to pull the motor i was looking in there a few weeks ago and it looks like i could do it relativly easily but you never know.
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Oil pump is in the timming cover
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lol, yeah, yeah thats what i ment I'm just used to V8'* i dont do much work else where lol. At any rate can it be done while the engine'* in the car?. I found out my oil pan is dented real bad so i was going to take it off and pound out the dents in it i'm hoping thats what might be starving the oil pump or it could be the sending unit who knows but just in case i was going to take it off and clean the pickup easy stuff.
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Originally Posted by WickedJstr
lol, yeah, yeah thats what i ment I'm just used to V8'* i dont do much work else where lol. At any rate can it be done while the engine'* in the car?. I found out my oil pan is dented real bad so i was going to take it off and pound out the dents in it i'm hoping thats what might be starving the oil pump or it could be the sending unit who knows but just in case i was going to take it off and clean the pickup easy stuff.
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I think the oil pump generally dosen't go in these engines, so you might want to check out the smaller stuff before you pull the front cover off.
You can take the front cover off with the engine still in the car though. Just take the p/* wheel/wheel well cover off and work through the wheel well. It takes some work since you have to remove the alt/p.*.pump/tensioner assembly/harmonic balancer but it'* do-able.
You can take the front cover off with the engine still in the car though. Just take the p/* wheel/wheel well cover off and work through the wheel well. It takes some work since you have to remove the alt/p.*.pump/tensioner assembly/harmonic balancer but it'* do-able.
#8
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Sorry about the late chime in.
Like mentioned the oil pump is usually not the culprit.
I'd get a mechanical gauge on there first and check the pressure. If it'* not the problem then I'd move on to the $15 sender (probably not the issue, but while you have the old one out .. might as well put a new one in.)
If it'* not the pump or sender then it'* 99% the gauge cluster small pcb. In pulling the cluster (no need to drop column) and pulling apart cluster (leave black screws in) you'll find a small circuit board under the first layer boards. It connects to the three gauges on the right side of your car. You can change that board or your entire cluster. I found it easier to swap that one board then to do a mileage disclosure.
Like mentioned the oil pump is usually not the culprit.
I'd get a mechanical gauge on there first and check the pressure. If it'* not the problem then I'd move on to the $15 sender (probably not the issue, but while you have the old one out .. might as well put a new one in.)
If it'* not the pump or sender then it'* 99% the gauge cluster small pcb. In pulling the cluster (no need to drop column) and pulling apart cluster (leave black screws in) you'll find a small circuit board under the first layer boards. It connects to the three gauges on the right side of your car. You can change that board or your entire cluster. I found it easier to swap that one board then to do a mileage disclosure.
#9
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Found a post.but not the whole thread I was looking for....this should help if it'* the cluster
Originally Posted by BillBoost37
Ok, let me outline this since I can't find any of the previous places I've mentioned it.
Basic premise is the dealer would tell you that your entire gauge cluster is bad. Here'* what I have found.
Joining BC my car did the exact same thing you are experiencing. I found the techinfo article to take out the cluster and pull it apart to check for bad connections http://www.bonnevilleclub.com/techinfo/?article=56
From there I pulled my cluster out. Noting you do not need to drop your steering column, and do not take the black screws out of the cluster when the article talks about taking out the gold and black screws. I cleaned and reassembled to no avail.
Then I bought a cluster off ebay. Oops it was a 93 not a 95, barely a difference. I tried it and everything worked great. Then I disassembled it and took out the small circuit board that pushs onto the pins for the three gauges (oil press, water temp and boost). Put that circuit board into my 95 dash and now my gauges are good. One of the small things on that little board were bad....who knows which microscope item it was. I did the swap because I wanted to keep my mileage.
Here is a pic of the cluster in pieces
the little board I am talking about is still on the cluster over on the far left. Replace only that piece or the entire cluster and you will have the problem fixed. I paid $35 on ebay for the 93 cluster.
Basic premise is the dealer would tell you that your entire gauge cluster is bad. Here'* what I have found.
Joining BC my car did the exact same thing you are experiencing. I found the techinfo article to take out the cluster and pull it apart to check for bad connections http://www.bonnevilleclub.com/techinfo/?article=56
From there I pulled my cluster out. Noting you do not need to drop your steering column, and do not take the black screws out of the cluster when the article talks about taking out the gold and black screws. I cleaned and reassembled to no avail.
Then I bought a cluster off ebay. Oops it was a 93 not a 95, barely a difference. I tried it and everything worked great. Then I disassembled it and took out the small circuit board that pushs onto the pins for the three gauges (oil press, water temp and boost). Put that circuit board into my 95 dash and now my gauges are good. One of the small things on that little board were bad....who knows which microscope item it was. I did the swap because I wanted to keep my mileage.
Here is a pic of the cluster in pieces
the little board I am talking about is still on the cluster over on the far left. Replace only that piece or the entire cluster and you will have the problem fixed. I paid $35 on ebay for the 93 cluster.
#10
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This is true, I have seldom ever seen an oil pump go bad in a 3800... One or 2 is all I have seen/heard of...
A mechanical gage would be a good idea...
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A mechanical gage would be a good idea...
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