Differences

This shows you the differences between two versions of the page.

--- articles:m104_hfm_intake_rebuild [2020/11/19 09:18] – [Remove fuel rail] john5788
+++ articles:m104_hfm_intake_rebuild [2020/11/21 07:50] (current) – john5788
@@ Line 13: / Line 13: @@
 </grid>
-===== Procedure =====
+===== Remove air intake pipe =====
-==== Remove air intake pipe ====
 <grid>
 <col sm="6">
@@ Line 31: / Line 29: @@
 </col>
 </grid>
-==== Remove fuel rail ====
+===== Remove fuel rail =====
 <grid>
-<col sm="6">
+<col sm="12">
   - Remove black plastic engine wiring harness cover
   - Remove fuel pressure bleed cap located towards the center of the fuel rail
@@ Line 45: / Line 44: @@
   - Unbolt fuel rail and pull to remove. There are 5x 6mm allen bolts holding it in place.
 </col>
-<col sm="6">
+</grid>
 <grid>
-<col sm="6">
+<col sm="3">
 <thumbnail>
 {{ articles:m104wirecoverremoved.jpg?300 }}
@@ Line 53: / Line 53: @@
 </thumbnail>
 </col>
-<col sm="6">
+<col sm="3">
 <thumbnail>
 {{ articles:m104fuelpressurecap.jpg?300 }}
@@ Line 59: / Line 59: @@
 </thumbnail>
 </col>
-<col sm="6">
+<col sm="3">
 <thumbnail>
 {{ articles:m104fuelrailschradervalve.jpg?300 }}
@@ Line 65: / Line 65: @@
 </thumbnail>
 </col>
-<col sm="6">
+<col sm="3">
 <thumbnail>
 {{ articles:m104fuelhosedisconnect.jpg?300 }}
@@ Line 71: / Line 71: @@
 </thumbnail>
 </col>
-<col sm="6">
+<col sm="3">
 <thumbnail>
 {{ articles:m104fuelpressureregulatorvacuum.jpg?300 }}
 <caption>Removing fuel pressure regulator vacuum hose </caption>
+</thumbnail>
+</col>
+<col sm="3">
+<thumbnail>
+{{ articles:m104unboltdipstick.jpg?300 }}
+<caption>Unbolting dipstick</caption>
+</thumbnail>
+</col>
+<col sm="3">
+<thumbnail>
+{{ articles:m104unplugfuelinjectors.jpg?300 }}
+<caption>Unplug fuel injectors </caption>
+</thumbnail>
+</col>
+<col sm="3">
+<thumbnail>
+{{ articles:m104fuelrailremoved.jpg?300 }}
+<caption>Fuel rail removed</caption>
+</thumbnail>
+</col>
+</grid>
+===== Remove intake manifold =====
+<grid>
+<col sm="6">
+  - Unbolt remaining bolts holding intake manifold to cylinder head
+  - Loosen both hose clamps connecting the upper and lower intake manifolds together. Located underneath the upper intake manifold
+  - Disconnect wire to resonator flap
+  - Disconnect air hoses near oil dipstick mounting bracket
+  - Lift up and remove air intake manifold
+</col>
+<col sm="6">
+<grid>
+<col sm="6">
+<thumbnail>
+{{ articles:m104lowerintakeboot.jpg?300 }}
+<caption>Loosening lower intake boot</caption>
+</thumbnail>
+</col>
+<col sm="6">
+<thumbnail>
+{{ articles:m104airhoses.jpg?300 }}
+<caption>Air hoses underneath intake manifold</caption>
+</thumbnail>
+</col>
+<col sm="6">
+<thumbnail>
+{{ articles:m104wirethrottlebody.jpg?300 }}
+<caption>Disconnect wire for resonator flap near the throttle body </caption>
 </thumbnail>
 </col>
@@ Line 80: / Line 129: @@
 </col>
 </grid>
-==== Remove intake manifold ====
-==== Rebuild ====
+===== Rebuild =====
+<grid>
+<col sm="6">
+  - Replace all vacuum lines
+  - Clean parts
+    - Intake manifold seat on cylinder head
+    - Intake manifold
+    - Throttle body boot if not replacing
+    - Intake boots if not replacing
+  - Parts to replace
+    - Intake manifold gaskets (104 141 1080, requires 6)
+    - Long lower intake hose (104 094 35 82)
+    - Short lower intake hose (104 094 36 82)
+    - Fuel injector seal (019 997 13 48, requires 12)
+</col>
+<col sm="6">
+<grid>
+<col sm="6">
+<thumbnail>
+{{ articles:m104vacuumparts.jpg?300 }}
+<caption>Vacuum parts to replace</caption>
+</thumbnail>
+</col>
+<col sm="6">
+<thumbnail>
+{{ articles:m104cleanthrottlebootandintakeseat.jpg?300 }}
+<caption>Cleaned throttle body boot and intake manifold seat on cylinder head</caption>
+</thumbnail>
+</col>
+<col sm="6">
+<thumbnail>
+{{ articles:m104intakerebuilt.jpg?300 }}
+<caption>Intake manifold cleaned up and rebuilt with new gaskets and hoses</caption>
+</thumbnail>
+</col>
+<col sm="6">
+<thumbnail>
+{{ articles:m104injector.jpg?300 }}
+<caption>M104 injector with 2 seals that need to be replaced </caption>
+</thumbnail>
+</col>
+</grid>
+</col>
+</grid>