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ibeenjammin 03-09-2007 04:23:25 206.169.39.182 24244 Report to Moderator	Can anyone tell me if the vented cap located on the floor under the drivers seat is the filler point for the hydraulics?If so how is the level checked and where should it read?The truck is a factory tow truck with 2 Holmes PTO driven winches and the hydraulic lift on the rear end.Anyone got or have access to a schematic that may also be of any help to me? [Reply]  [Send Email]
Bob 03-09-2007 08:30:28 69.178.229.154 24248 Report to Moderator	Re: 1972 Chev C50 HELP!!! in reply to ibeenjammin, 03-09-2007 04:23:25   IF the cap you are seeing IS the hydraulic fill, you MAY find a dipstick dangling from it. BE SURE what you are pouring oil into is NOT the breather for the vacuum brake booster!   [Reply]  [No Email]
ibeenjammin 03-10-2007 03:12:34 206.169.39.176 24256 Report to Moderator	Re: Re: 1972 Chev C50 HELP!!! in reply to Bob, 03-09-2007 08:30:28   Without looking at it again Bob I'm sure that I must have been refering to the vacuum brake booster.Once again can anyone tell me where the filler should be???   [Reply]  [Send Email]
jwal10 03-10-2007 08:26:54 71.215.146.156 24261 Report to Moderator	Re: Re: Re: 1972 Chev C50 HELP!!! in reply to ibeenjammin, 03-10-2007 03:12:34   Look under the truck, does it have a PTO driven pump? follow the hydraulic lines to the hyd resevoir, should be somewhere under the bed, not in the cab.If it is a electric driven pump it is probably mounted near the outside controls if not under bed also.Some of these units are a round tank with a built in pump. See where the noise is coming from when you engage the unit and trace to a resevoir, filler will be on top so you can add fluid.   [Reply]  [No Email]
jwal10 03-10-2007 08:32:19 71.215.146.156 24262 Report to Moderator	Re: Re: Re: Re: 1972 Chev C50 HELP!!! in reply to jwal10, 03-10-2007 08:26:54   These trucks usually didn't come from GM with a pump, they were added when the Wrecker bed was installed so if a self contained bed it was integrated in bed, otherwise it is a PTO or electric unit mounted from frame somewhere. Won't be in cab and usually not in engine compartment.....James   [Reply]  [No Email]
Dannie Adkins 03-12-2007 01:44:44 75.109.30.9 24286 Report to Moderator	Re: Re: Re: Re: Re: 1972 Chev C50 HELP!!! in reply to jwal10, 03-10-2007 08:32:19   Look under the bed itself. you should have a resivour tank there. its probably going to be about 2 ft. long and approx 8 inches thick with a line about 1" to 1 1/2 in diameter with a top fill square plug in. this line will go directly to your pump. do not fill it completely to the top because you will need room for back pressure and expansion when your bed comes back.   [Reply]  [Send Email]
ibeenjammin 03-14-2007 02:43:35 206.169.39.171 24302 Report to Moderator	Re: Re: Re: Re: Re: Re: 1972 Chev C50 HELP!!! in reply to Dannie Adkins, 03-12-2007 01:44:44   Thanks fellas I found it.   [Reply]  [Send Email]