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After aligning all the marks on the gears on 1hz engine do l turn the engine so that pistons 1 and 6 comes up to tdc before connecting the belt?


You can see the procedure at the link below:

http://forum.ih8mud.com/threads/1hz-timing-belt-change.165088/

Feb 26, 2015 | Cars & Trucks

1 Answer

I am doing repairs on a 100 series toyota diesel l/cruiser. my problem is, that i've changed a seized engine (2004 model) with a (1995 model), and both engines are the 100 series 1hz diesel range. But the...


better chec the wiring or connections 1st--pull the plug from the pump and inspect for flaws and corrosion then plug back in--pump itself can be tested--the fuel injection pump in engine area may have issues

Feb 28, 2011 | GMC Suburban Cars & Trucks

1 Answer

A/c and heater air blows only in windshield vent


That means you lost your engine vacuum source and defroster mode is the default position. Check for the vac. line coming off engine to the firewall under hood if that vac line isn't damaged or leaking,check under dash allthe way up to the vacuum selector switch for the HVAC if you have good engine vac at siwcth around 17-18 inches of vacuum. Then it must be a faulty switch assembly.

Sep 14, 2009 | 1997 Chevrolet Lumina

1 Answer

Mech.disconnected vac lines to actuator trannyprob now


Locate where he plugged the vac line on the engine, buy a 4 foot piece of vac. line the same diameter as the old line and connect it to the fitting where he plugged it and the other end to the modulator located on the lower front right (passenger) side of the transmission.

Aug 14, 2009 | 1997 Dodge Ram 2500 Club Cab

1 Answer

No air from dash vents


They are vac. controled. The leak could be behind the controls, but first check under the hood usually near the fire wall and check for any cracked or broken vac. lines and repair as necc. this should solve your problem. The vac. lines under the hood go bad first due to engine heat. If you have a length of line to replace make sure you use vac. line so it wont collapse. Soft softs in vac. lines is another sign of a bad line replace these also.

Jun 28, 2009 | 2000 Chevrolet Astro

2 Answers

Transfer case wont engage


shift into 4wd and move truck a couple of feet.
if light is still off, park truck block the wheels set the park brake jack right front wheel and try to hand spin the wheel if wheel doesn't turn 4x4 is functioning properly but there is a wiring problem use an ohmmeter to check the 4x4 switch wiring fuse and bulb
if wheel turns freely the front axle or transfer case is not engaged
attempt to hand spin the front driveshft if the driveshaft will spin the transfer case is not engaged check the transfer case shift linkage, problem is in linkage or transfer case internals
if the driveshaft will not spin the transfer case is engaged properly
with trnsmission in neutral or park start engine measure vacuum on the two vac lines at front axle shift motor . one line should have approx 20" vacuum. other line should have none
if no vacuum measured look for vac leak or bad vac switch
if both lines have vac look for a bad vac swithc or ruptured cad actuator diaphragm
if one line has 20" +- VAC
move transfer case lever to 2wd measure vac again lines should have swapped vac signals
if no vac switch bad or 4wd shift likage needs adjusting
if yes vac motor bad or stuck or shift fork stuck
remove vac shift motor from the axle attach vac lines to shift motor engage disengage 4wd
does shift motor plunger move at least 1/2 inch
no shift motor bad
yes check axle shift fork and vac motor for binging

Jan 27, 2009 | 1999 Dodge Ram

1 Answer

Multiple vacuum problems. Now receiving P0401 and P0308 codes.


spray carb. cleaner on vac lines while running. engine will change rpm when sprayed near vac leak

Jan 10, 2009 | 1998 Ford Expedition

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