Cleaning the part
#1
01-10-2008 | 10:43 AM
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Cleaning the part
I was wondering if anyone knows if taking out the throttle body and cleaning it out and checking for sensors would be smarter before i purchase a used throttle body? Has anyone ever just cleaned the throttle body for it to work or is it even possible that it just needs to be cleaned? Any advice thanks....
#2
01-10-2008 | 10:52 AM
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RE: Cleaning the part
lots of warnings against cleaning it. But if yours is dead, there is not much to lose.
I would be very gentle, and try try the mildest cleaning first (like a computer dust remover spray) before going to harsh chemicals.
The thing is coated with something special that some cleaners may destroy.
I have heard of TB going bad.. and I have not heard of many success stories on fixing them. If it was my car I would try hard because they are $$$$
I would be very gentle, and try try the mildest cleaning first (like a computer dust remover spray) before going to harsh chemicals.
The thing is coated with something special that some cleaners may destroy.
I have heard of TB going bad.. and I have not heard of many success stories on fixing them. If it was my car I would try hard because they are $$$$
#3
01-10-2008 | 11:20 AM
Member
Joined: Mar 2007
Posts: 54
Likes: 0
From: St Pete, FL
RE: Cleaning the part
I've asked the same question on different boards and got the "Special Coating" answer back every time. When I asked what would happen if I removed the coating, I was told it would get dirty faster...but no real reference to what faster was. A day?? month?? 1 mile?? 10,000 miles??
bojangles is right if yours is dead.If it stays clean for 10K w/o the coating after usinga little carb cleaner vs. lasting 40K w / the coating for lots of $$$, that may work for you.
You may want to move this ??? to the general tech section...An area I recently discovered BTW.
bojangles is right if yours is dead.If it stays clean for 10K w/o the coating after usinga little carb cleaner vs. lasting 40K w / the coating for lots of $$$, that may work for you.
You may want to move this ??? to the general tech section...An area I recently discovered BTW.
#6
01-10-2008 | 09:28 PM
Joined: Jan 2008
Posts: 2,961
Likes: 86
From: 33498
RE: Cleaning the part
I am not exactly sure what you need. I replied to a couple of your posts. Do you have a repair order with codes on it? If the dealer is telling you it needs a throttle I would go more with their diagnosis. Outside shops have very limited access to Jag diagnostics.
The coating the is on the throttle body is like the nicasil that was in older engine blocks.
This is text from TSB on throttle cleaning:
Issue:
Cleaning the throttle body will wash contaminants into the bearings, and will remove the
grease from the throttle body that is necessary to ensure its correct operation. Either of
these actions can reduce the life of the component and result in the subsequent failure
of the throttle body.
The electrical connectors on the throttle body must not have any types of grease
(including dielectric greases), oils, or sealants (including silicone) applied to help seal
the connectors. Applying these products can result in corrosion of the connectors and
result in failure of the connector.
Action:
Do not clean the throttle body.
Do not apply any greases to the electrical connectors on the throttle body.
When reinstalling a throttle body, it is important to ensure that all connector seals and
wiring seals are in place and are not damaged. Verify that all connectors are fully
pushed home and latched correctly.
Note: If a throttle body is replaced under Warranty, and is found to
have been cleaned, or if oil/grease or sealant have been applied to
the connectors, the Warranty claim could be rejected if this is found to
be a contributing factor to the failure.
The coating the is on the throttle body is like the nicasil that was in older engine blocks.
This is text from TSB on throttle cleaning:
Issue:
Cleaning the throttle body will wash contaminants into the bearings, and will remove the
grease from the throttle body that is necessary to ensure its correct operation. Either of
these actions can reduce the life of the component and result in the subsequent failure
of the throttle body.
The electrical connectors on the throttle body must not have any types of grease
(including dielectric greases), oils, or sealants (including silicone) applied to help seal
the connectors. Applying these products can result in corrosion of the connectors and
result in failure of the connector.
Action:
Do not clean the throttle body.
Do not apply any greases to the electrical connectors on the throttle body.
When reinstalling a throttle body, it is important to ensure that all connector seals and
wiring seals are in place and are not damaged. Verify that all connectors are fully
pushed home and latched correctly.
Note: If a throttle body is replaced under Warranty, and is found to
have been cleaned, or if oil/grease or sealant have been applied to
the connectors, the Warranty claim could be rejected if this is found to
be a contributing factor to the failure.
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